/*  Prototype JavaScript framework, version 1.6.1
 *  (c) 2005-2009 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.1',

  Browser: (function(){
    var ua = navigator.userAgent;
    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
    return {
      IE:             !!window.attachEvent && !isOpera,
      Opera:          isOpera,
      WebKit:         ua.indexOf('AppleWebKit/') > -1,
      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
      MobileSafari:   /Apple.*Mobile.*Safari/.test(ua)
    }
  })(),

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: (function() {
      var constructor = window.Element || window.HTMLElement;
      return !!(constructor && constructor.prototype);
    })(),
    SpecificElementExtensions: (function() {
      if (typeof window.HTMLDivElement !== 'undefined')
        return true;

      var div = document.createElement('div');
      var form = document.createElement('form');
      var isSupported = false;

      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
        isSupported = true;
      }

      div = form = null;

      return isSupported;
    })()
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


var Abstract = { };


var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

/* Based on Alex Arnell's inheritance implementation. */

var Class = (function() {
  function subclass() {};
  function create() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;
    return klass;
  }

  function addMethods(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length) {
      if (source.toString != Object.prototype.toString)
        properties.push("toString");
      if (source.valueOf != Object.prototype.valueOf)
        properties.push("valueOf");
    }

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments); };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }

  return {
    create: create,
    Methods: {
      addMethods: addMethods
    }
  };
})();
(function() {

  var _toString = Object.prototype.toString;

  function extend(destination, source) {
    for (var property in source)
      destination[property] = source[property];
    return destination;
  }

  function inspect(object) {
    try {
      if (isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  }

  function toJSON(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = toJSON(object[property]);
      if (!isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  }

  function toQueryString(object) {
    return $H(object).toQueryString();
  }

  function toHTML(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  }

  function keys(object) {
    var results = [];
    for (var property in object)
      results.push(property);
    return results;
  }

  function values(object) {
    var results = [];
    for (var property in object)
      results.push(object[property]);
    return results;
  }

  function clone(object) {
    return extend({ }, object);
  }

  function isElement(object) {
    return !!(object && object.nodeType == 1);
  }

  function isArray(object) {
    return _toString.call(object) == "[object Array]";
  }


  function isHash(object) {
    return object instanceof Hash;
  }

  function isFunction(object) {
    return typeof object === "function";
  }

  function isString(object) {
    return _toString.call(object) == "[object String]";
  }

  function isNumber(object) {
    return _toString.call(object) == "[object Number]";
  }

  function isUndefined(object) {
    return typeof object === "undefined";
  }

  extend(Object, {
    extend:        extend,
    inspect:       inspect,
    toJSON:        toJSON,
    toQueryString: toQueryString,
    toHTML:        toHTML,
    keys:          keys,
    values:        values,
    clone:         clone,
    isElement:     isElement,
    isArray:       isArray,
    isHash:        isHash,
    isFunction:    isFunction,
    isString:      isString,
    isNumber:      isNumber,
    isUndefined:   isUndefined
  });
})();
Object.extend(Function.prototype, (function() {
  var slice = Array.prototype.slice;

  function update(array, args) {
    var arrayLength = array.length, length = args.length;
    while (length--) array[arrayLength + length] = args[length];
    return array;
  }

  function merge(array, args) {
    array = slice.call(array, 0);
    return update(array, args);
  }

  function argumentNames() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  }

  function bind(context) {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = slice.call(arguments, 1);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(context, a);
    }
  }

  function bindAsEventListener(context) {
    var __method = this, args = slice.call(arguments, 1);
    return function(event) {
      var a = update([event || window.event], args);
      return __method.apply(context, a);
    }
  }

  function curry() {
    if (!arguments.length) return this;
    var __method = this, args = slice.call(arguments, 0);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(this, a);
    }
  }

  function delay(timeout) {
    var __method = this, args = slice.call(arguments, 1);
    timeout = timeout * 1000
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  }

  function defer() {
    var args = update([0.01], arguments);
    return this.delay.apply(this, args);
  }

  function wrap(wrapper) {
    var __method = this;
    return function() {
      var a = update([__method.bind(this)], arguments);
      return wrapper.apply(this, a);
    }
  }

  function methodize() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      var a = update([this], arguments);
      return __method.apply(null, a);
    };
  }

  return {
    argumentNames:       argumentNames,
    bind:                bind,
    bindAsEventListener: bindAsEventListener,
    curry:               curry,
    delay:               delay,
    defer:               defer,
    wrap:                wrap,
    methodize:           methodize
  }
})());


Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};


RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
        this.currentlyExecuting = false;
      } catch(e) {
        this.currentlyExecuting = false;
        throw e;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, (function() {

  function prepareReplacement(replacement) {
    if (Object.isFunction(replacement)) return replacement;
    var template = new Template(replacement);
    return function(match) { return template.evaluate(match) };
  }

  function gsub(pattern, replacement) {
    var result = '', source = this, match;
    replacement = prepareReplacement(replacement);

    if (Object.isString(pattern))
      pattern = RegExp.escape(pattern);

    if (!(pattern.length || pattern.source)) {
      replacement = replacement('');
      return replacement + source.split('').join(replacement) + replacement;
    }

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  }

  function sub(pattern, replacement, count) {
    replacement = prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  }

  function scan(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  }

  function truncate(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  }

  function strip() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  }

  function stripTags() {
    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
  }

  function stripScripts() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  }

  function extractScripts() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  }

  function evalScripts() {
    return this.extractScripts().map(function(script) { return eval(script) });
  }

  function escapeHTML() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  }

  function unescapeHTML() {
    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
  }


  function toQueryParams(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  }

  function toArray() {
    return this.split('');
  }

  function succ() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  }

  function times(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  }

  function camelize() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  }

  function capitalize() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  }

  function underscore() {
    return this.replace(/::/g, '/')
               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
               .replace(/-/g, '_')
               .toLowerCase();
  }

  function dasherize() {
    return this.replace(/_/g, '-');
  }

  function inspect(useDoubleQuotes) {
    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
      if (character in String.specialChar) {
        return String.specialChar[character];
      }
      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  }

  function toJSON() {
    return this.inspect(true);
  }

  function unfilterJSON(filter) {
    return this.replace(filter || Prototype.JSONFilter, '$1');
  }

  function isJSON() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  }

  function evalJSON(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  }

  function include(pattern) {
    return this.indexOf(pattern) > -1;
  }

  function startsWith(pattern) {
    return this.indexOf(pattern) === 0;
  }

  function endsWith(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  }

  function empty() {
    return this == '';
  }

  function blank() {
    return /^\s*$/.test(this);
  }

  function interpolate(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }

  return {
    gsub:           gsub,
    sub:            sub,
    scan:           scan,
    truncate:       truncate,
    strip:          String.prototype.trim ? String.prototype.trim : strip,
    stripTags:      stripTags,
    stripScripts:   stripScripts,
    extractScripts: extractScripts,
    evalScripts:    evalScripts,
    escapeHTML:     escapeHTML,
    unescapeHTML:   unescapeHTML,
    toQueryParams:  toQueryParams,
    parseQuery:     toQueryParams,
    toArray:        toArray,
    succ:           succ,
    times:          times,
    camelize:       camelize,
    capitalize:     capitalize,
    underscore:     underscore,
    dasherize:      dasherize,
    inspect:        inspect,
    toJSON:         toJSON,
    unfilterJSON:   unfilterJSON,
    isJSON:         isJSON,
    evalJSON:       evalJSON,
    include:        include,
    startsWith:     startsWith,
    endsWith:       endsWith,
    empty:          empty,
    blank:          blank,
    interpolate:    interpolate
  };
})());

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (object && Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return (match[1] + '');

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = (function() {
  function each(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  }

  function eachSlice(number, iterator, context) {
    var index = -number, slices = [], array = this.toArray();
    if (number < 1) return array;
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  }

  function all(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);
      if (!result) throw $break;
    });
    return result;
  }

  function any(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator.call(context, value, index))
        throw $break;
    });
    return result;
  }

  function collect(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function detect(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  }

  function findAll(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function grep(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(RegExp.escape(filter));

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function include(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  }

  function inGroupsOf(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  }

  function inject(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  }

  function invoke(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  }

  function max(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  }

  function min(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  }

  function partition(iterator, context) {
    iterator = iterator || Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator.call(context, value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  }

  function pluck(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  }

  function reject(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function sortBy(iterator, context) {
    return this.map(function(value, index) {
      return {
        value: value,
        criteria: iterator.call(context, value, index)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  }

  function toArray() {
    return this.map();
  }

  function zip() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  }

  function size() {
    return this.toArray().length;
  }

  function inspect() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }









  return {
    each:       each,
    eachSlice:  eachSlice,
    all:        all,
    every:      all,
    any:        any,
    some:       any,
    collect:    collect,
    map:        collect,
    detect:     detect,
    findAll:    findAll,
    select:     findAll,
    filter:     findAll,
    grep:       grep,
    include:    include,
    member:     include,
    inGroupsOf: inGroupsOf,
    inject:     inject,
    invoke:     invoke,
    max:        max,
    min:        min,
    partition:  partition,
    pluck:      pluck,
    reject:     reject,
    sortBy:     sortBy,
    toArray:    toArray,
    entries:    toArray,
    zip:        zip,
    size:       size,
    inspect:    inspect,
    find:       detect
  };
})();
function $A(iterable) {
  if (!iterable) return [];
  if ('toArray' in Object(iterable)) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

Array.from = $A;


(function() {
  var arrayProto = Array.prototype,
      slice = arrayProto.slice,
      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available

  function each(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  }
  if (!_each) _each = each;

  function clear() {
    this.length = 0;
    return this;
  }

  function first() {
    return this[0];
  }

  function last() {
    return this[this.length - 1];
  }

  function compact() {
    return this.select(function(value) {
      return value != null;
    });
  }

  function flatten() {
    return this.inject([], function(array, value) {
      if (Object.isArray(value))
        return array.concat(value.flatten());
      array.push(value);
      return array;
    });
  }

  function without() {
    var values = slice.call(arguments, 0);
    return this.select(function(value) {
      return !values.include(value);
    });
  }

  function reverse(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  }

  function uniq(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  }

  function intersect(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  }


  function clone() {
    return slice.call(this, 0);
  }

  function size() {
    return this.length;
  }

  function inspect() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  }

  function toJSON() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }

  function indexOf(item, i) {
    i || (i = 0);
    var length = this.length;
    if (i < 0) i = length + i;
    for (; i < length; i++)
      if (this[i] === item) return i;
    return -1;
  }

  function lastIndexOf(item, i) {
    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
    var n = this.slice(0, i).reverse().indexOf(item);
    return (n < 0) ? n : i - n - 1;
  }

  function concat() {
    var array = slice.call(this, 0), item;
    for (var i = 0, length = arguments.length; i < length; i++) {
      item = arguments[i];
      if (Object.isArray(item) && !('callee' in item)) {
        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
          array.push(item[j]);
      } else {
        array.push(item);
      }
    }
    return array;
  }

  Object.extend(arrayProto, Enumerable);

  if (!arrayProto._reverse)
    arrayProto._reverse = arrayProto.reverse;

  Object.extend(arrayProto, {
    _each:     _each,
    clear:     clear,
    first:     first,
    last:      last,
    compact:   compact,
    flatten:   flatten,
    without:   without,
    reverse:   reverse,
    uniq:      uniq,
    intersect: intersect,
    clone:     clone,
    toArray:   clone,
    size:      size,
    inspect:   inspect,
    toJSON:    toJSON
  });

  var CONCAT_ARGUMENTS_BUGGY = (function() {
    return [].concat(arguments)[0][0] !== 1;
  })(1,2)

  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;

  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {
  function initialize(object) {
    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
  }

  function _each(iterator) {
    for (var key in this._object) {
      var value = this._object[key], pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  }

  function set(key, value) {
    return this._object[key] = value;
  }

  function get(key) {
    if (this._object[key] !== Object.prototype[key])
      return this._object[key];
  }

  function unset(key) {
    var value = this._object[key];
    delete this._object[key];
    return value;
  }

  function toObject() {
    return Object.clone(this._object);
  }

  function keys() {
    return this.pluck('key');
  }

  function values() {
    return this.pluck('value');
  }

  function index(value) {
    var match = this.detect(function(pair) {
      return pair.value === value;
    });
    return match && match.key;
  }

  function merge(object) {
    return this.clone().update(object);
  }

  function update(object) {
    return new Hash(object).inject(this, function(result, pair) {
      result.set(pair.key, pair.value);
      return result;
    });
  }

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  function toQueryString() {
    return this.inject([], function(results, pair) {
      var key = encodeURIComponent(pair.key), values = pair.value;

      if (values && typeof values == 'object') {
        if (Object.isArray(values))
          return results.concat(values.map(toQueryPair.curry(key)));
      } else results.push(toQueryPair(key, values));
      return results;
    }).join('&');
  }

  function inspect() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  }

  function toJSON() {
    return Object.toJSON(this.toObject());
  }

  function clone() {
    return new Hash(this);
  }

  return {
    initialize:             initialize,
    _each:                  _each,
    set:                    set,
    get:                    get,
    unset:                  unset,
    toObject:               toObject,
    toTemplateReplacements: toObject,
    keys:                   keys,
    values:                 values,
    index:                  index,
    merge:                  merge,
    update:                 update,
    toQueryString:          toQueryString,
    inspect:                inspect,
    toJSON:                 toJSON,
    clone:                  clone
  };
})());


Hash.from = $H;
Object.extend(Number.prototype, (function() {
  function toColorPart() {
    return this.toPaddedString(2, 16);
  }

  function succ() {
    return this + 1;
  }

  function times(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  }

  function toPaddedString(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  }

  function toJSON() {
    return isFinite(this) ? this.toString() : 'null';
  }

  function abs() {
    return Math.abs(this);
  }

  function round() {
    return Math.round(this);
  }

  function ceil() {
    return Math.ceil(this);
  }

  function floor() {
    return Math.floor(this);
  }

  return {
    toColorPart:    toColorPart,
    succ:           succ,
    times:          times,
    toPaddedString: toPaddedString,
    toJSON:         toJSON,
    abs:            abs,
    round:          round,
    ceil:           ceil,
    floor:          floor
  };
})());

function $R(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var ObjectRange = Class.create(Enumerable, (function() {
  function initialize(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  }

  function _each(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  }

  function include(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }

  return {
    initialize: initialize,
    _each:      _each,
    include:    include
  };
})());



var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});
Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});
Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null; }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];








Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,

  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});



function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}


(function(global) {

  var SETATTRIBUTE_IGNORES_NAME = (function(){
    var elForm = document.createElement("form");
    var elInput = document.createElement("input");
    var root = document.documentElement;
    elInput.setAttribute("name", "test");
    elForm.appendChild(elInput);
    root.appendChild(elForm);
    var isBuggy = elForm.elements
      ? (typeof elForm.elements.test == "undefined")
      : null;
    root.removeChild(elForm);
    elForm = elInput = null;
    return isBuggy;
  })();

  var element = global.Element;
  global.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (SETATTRIBUTE_IGNORES_NAME && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(global.Element, element || { });
  if (element) global.Element.prototype = element.prototype;
})(this);

Element.cache = { };
Element.idCounter = 1;

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },


  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);
    element.style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: (function(){

    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
      var el = document.createElement("select"),
          isBuggy = true;
      el.innerHTML = "<option value=\"test\">test</option>";
      if (el.options && el.options[0]) {
        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
      }
      el = null;
      return isBuggy;
    })();

    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
      try {
        var el = document.createElement("table");
        if (el && el.tBodies) {
          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
          var isBuggy = typeof el.tBodies[0] == "undefined";
          el = null;
          return isBuggy;
        }
      } catch (e) {
        return true;
      }
    })();

    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
      var s = document.createElement("script"),
          isBuggy = false;
      try {
        s.appendChild(document.createTextNode(""));
        isBuggy = !s.firstChild ||
          s.firstChild && s.firstChild.nodeType !== 3;
      } catch (e) {
        isBuggy = true;
      }
      s = null;
      return isBuggy;
    })();

    function update(element, content) {
      element = $(element);

      if (content && content.toElement)
        content = content.toElement();

      if (Object.isElement(content))
        return element.update().insert(content);

      content = Object.toHTML(content);

      var tagName = element.tagName.toUpperCase();

      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
        element.text = content;
        return element;
      }

      if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
        if (tagName in Element._insertionTranslations.tags) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
            .each(function(node) {
              element.appendChild(node)
            });
        }
        else {
          element.innerHTML = content.stripScripts();
        }
      }
      else {
        element.innerHTML = content.stripScripts();
      }

      content.evalScripts.bind(content).defer();
      return element;
    }

    return update;
  })(),

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return Element.recursivelyCollect(element, 'parentNode');
  },

  descendants: function(element) {
    return Element.select(element, "*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return Element.recursivelyCollect(element, 'previousSibling');
  },

  nextSiblings: function(element) {
    return Element.recursivelyCollect(element, 'nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return Element.previousSiblings(element).reverse()
      .concat(Element.nextSiblings(element));
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = Element.ancestors(element);
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return Element.firstDescendant(element);
    return Object.isNumber(expression) ? Element.descendants(element)[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = Element.previousSiblings(element);
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = Element.nextSiblings(element);
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },


  select: function(element) {
    var args = Array.prototype.slice.call(arguments, 1);
    return Selector.findChildElements(element, args);
  },

  adjacent: function(element) {
    var args = Array.prototype.slice.call(arguments, 1);
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = Element.readAttribute(element, 'id');
    if (id) return id;
    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
    Element.writeAttribute(element, 'id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return Element.getDimensions(element).height;
  },

  getWidth: function(element) {
    return Element.getDimensions(element).width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!Element.hasClassName(element, className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element[Element.hasClassName(element, className) ?
      'removeClassName' : 'addClassName'](element, className);
  },

  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Element.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = Element.getStyle(element, 'display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari
      els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName.toUpperCase() == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') == 'absolute') return element;

    var offsets = Element.positionedOffset(element);
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') == 'relative') return element;

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  /*getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },*/
  
  getOffsetParent: function(element) {
	element = $(element);   
	var op = element.offsetParent, body = document.body, docEl = document.documentElement;   
 
	/* IE with strict doctype may try to return documentElement as offsetParent   
	on relatively positioned elements, we will return body instead */ 
  
	if (element.offsetParent && element.offsetParent !== document.documentElement) return $(element.offsetParent); 
	if (element.offsetParent  && Element.visible(element)) return $(element.offsetParent);
	  
	if (element.offsetParent === document.documentElement || element === document.documentElement || element === document.body) return $(document.body);   
        
 	//while ((element = element.parentNode) && element !== body) 
 	while ((element = element.parentNode) && element != document.body && Object.isElement(element))
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    source = $(source);
    var p = Element.viewportOffset(source);

    element = $(element);
    var delta = [0, 0];
    var parent = null;
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = Element.getOffsetParent(element);
      delta = Element.viewportOffset(parent);
    }

    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,

  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          if (!Element.visible(element)) return null;

          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      try { element.offsetParent }
      catch(e) { return $(document.body) }
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        try { element.offsetParent }
        catch(e) { return Element._returnOffset(0,0) }
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
    function(proceed, element) {
      try { element.offsetParent }
      catch(e) { return Element._returnOffset(0,0) }
      return proceed(element);
    }
  );

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };




  Element._attributeTranslations = (function(){

    var classProp = 'className';
    var forProp = 'for';

    var el = document.createElement('div');

    el.setAttribute(classProp, 'x');

    if (el.className !== 'x') {
      el.setAttribute('class', 'x');
      if (el.className === 'x') {
        classProp = 'class';
      }
    }
    el = null;

    el = document.createElement('label');
    el.setAttribute(forProp, 'x');
    if (el.htmlFor !== 'x') {
      el.setAttribute('htmlFor', 'x');
      if (el.htmlFor === 'x') {
        forProp = 'htmlFor';
      }
    }
    el = null;

    return {
      read: {
        names: {
          'class':      classProp,
          'className':  classProp,
          'for':        forProp,
          'htmlFor':    forProp
        },
        values: {
          _getAttr: function(element, attribute) {
            return element.getAttribute(attribute);
          },
          _getAttr2: function(element, attribute) {
            return element.getAttribute(attribute, 2);
          },
          _getAttrNode: function(element, attribute) {
            var node = element.getAttributeNode(attribute);
            return node ? node.value : "";
          },
          _getEv: (function(){

            var el = document.createElement('div');
            el.onclick = Prototype.emptyFunction;
            var value = el.getAttribute('onclick');
            var f;

            if (String(value).indexOf('{') > -1) {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                attribute = attribute.toString();
                attribute = attribute.split('{')[1];
                attribute = attribute.split('}')[0];
                return attribute.strip();
              };
            }
            else if (value === '') {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                return attribute.strip();
              };
            }
            el = null;
            return f;
          })(),
          _flag: function(element, attribute) {
            return $(element).hasAttribute(attribute) ? attribute : null;
          },
          style: function(element) {
            return element.style.cssText.toLowerCase();
          },
          title: function(element) {
            return element.title;
          }
        }
      }
    }
  })();

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr2,
      src:         v._getAttr2,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);

  if (Prototype.BrowserFeatures.ElementExtensions) {
    (function() {
      function _descendants(element) {
        var nodes = element.getElementsByTagName('*'), results = [];
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName !== "!") // Filter out comment nodes.
            results.push(node);
        return results;
      }

      Element.Methods.down = function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return element.firstDescendant();
        return Object.isNumber(expression) ? _descendants(element)[expression] :
          Element.select(element, expression)[index || 0];
      }
    })();
  }

}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if ('outerHTML' in document.documentElement) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  var tags = Element._insertionTranslations.tags;
  Object.extend(tags, {
    THEAD: tags.TBODY,
    TFOOT: tags.TBODY,
    TH:    tags.TD
  });
})();

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

(function(div) {

  if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
    window.HTMLElement = { };
    window.HTMLElement.prototype = div['__proto__'];
    Prototype.BrowserFeatures.ElementExtensions = true;
  }

  div = null;

})(document.createElement('div'))

Element.extend = (function() {

  function checkDeficiency(tagName) {
    if (typeof window.Element != 'undefined') {
      var proto = window.Element.prototype;
      if (proto) {
        var id = '_' + (Math.random()+'').slice(2);
        var el = document.createElement(tagName);
        proto[id] = 'x';
        var isBuggy = (el[id] !== 'x');
        delete proto[id];
        el = null;
        return isBuggy;
      }
    }
    return false;
  }

  function extendElementWith(element, methods) {
    for (var property in methods) {
      var value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }
  }

  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');

  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
      return function(element) {
        if (element && typeof element._extendedByPrototype == 'undefined') {
          var t = element.tagName;
          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
            extendElementWith(element, Element.Methods);
            extendElementWith(element, Element.Methods.Simulated);
            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
          }
        }
        return element;
      }
    }
    return Prototype.K;
  }

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || typeof element._extendedByPrototype != 'undefined' ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
        tagName = element.tagName.toUpperCase();

    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    extendElementWith(element, methods);

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    var element = document.createElement(tagName);
    var proto = element['__proto__'] || element.constructor.prototype;
    element = null;
    return proto;
  }

  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
   Element.prototype;

  if (F.ElementExtensions) {
    copy(Element.Methods, elementPrototype);
    copy(Element.Methods.Simulated, elementPrototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};


document.viewport = {

  getDimensions: function() {
    return { width: this.getWidth(), height: this.getHeight() };
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
  }
};

(function(viewport) {
  var B = Prototype.Browser, doc = document, element, property = {};

  function getRootElement() {
    if (B.WebKit && !doc.evaluate)
      return document;

    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
      return document.body;

    return document.documentElement;
  }

  function define(D) {
    if (!element) element = getRootElement();

    property[D] = 'client' + D;

    viewport['get' + D] = function() { return element[property[D]] };
    return viewport['get' + D]();
  }

  viewport.getWidth  = define.curry('Width');

  viewport.getHeight = define.curry('Height');
})(document.viewport);


Element.Storage = {
  UID: 1
};

Element.addMethods({
  getStorage: function(element) {
    if (!(element = $(element))) return;

    var uid;
    if (element === window) {
      uid = 0;
    } else {
      if (typeof element._prototypeUID === "undefined")
        element._prototypeUID = [Element.Storage.UID++];
      uid = element._prototypeUID[0];
    }

    if (!Element.Storage[uid])
      Element.Storage[uid] = $H();

    return Element.Storage[uid];
  },

  store: function(element, key, value) {
    if (!(element = $(element))) return;

    if (arguments.length === 2) {
      Element.getStorage(element).update(key);
    } else {
      Element.getStorage(element).set(key, value);
    }

    return element;
  },

  retrieve: function(element, key, defaultValue) {
    if (!(element = $(element))) return;
    var hash = Element.getStorage(element), value = hash.get(key);

    if (Object.isUndefined(value)) {
      hash.set(key, defaultValue);
      value = defaultValue;
    }

    return value;
  },

  clone: function(element, deep) {
    if (!(element = $(element))) return;
    var clone = element.cloneNode(deep);
    clone._prototypeUID = void 0;
    if (deep) {
      var descendants = Element.select(clone, '*'),
          i = descendants.length;
      while (i--) {
        descendants[i]._prototypeUID = void 0;
      }
    }
    return Element.extend(clone);
  }
});
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();

    if (this.shouldUseSelectorsAPI()) {
      this.mode = 'selectorsAPI';
    } else if (this.shouldUseXPath()) {
      this.mode = 'xpath';
      this.compileXPathMatcher();
    } else {
      this.mode = "normal";
      this.compileMatcher();
    }

  },

  shouldUseXPath: (function() {

    var IS_DESCENDANT_SELECTOR_BUGGY = (function(){
      var isBuggy = false;
      if (document.evaluate && window.XPathResult) {
        var el = document.createElement('div');
        el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>';

        var xpath = ".//*[local-name()='ul' or local-name()='UL']" +
          "//*[local-name()='li' or local-name()='LI']";

        var result = document.evaluate(xpath, el, null,
          XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);

        isBuggy = (result.snapshotLength !== 2);
        el = null;
      }
      return isBuggy;
    })();

    return function() {
      if (!Prototype.BrowserFeatures.XPath) return false;

      var e = this.expression;

      if (Prototype.Browser.WebKit &&
       (e.include("-of-type") || e.include(":empty")))
        return false;

      if ((/(\[[\w-]*?:|:checked)/).test(e))
        return false;

      if (IS_DESCENDANT_SELECTOR_BUGGY) return false;

      return true;
    }

  })(),

  shouldUseSelectorsAPI: function() {
    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

    if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;

    if (!Selector._div) Selector._div = new Element('div');

    try {
      Selector._div.querySelector(this.expression);
    } catch(e) {
      return false;
    }

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m, len = ps.length, name;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
            new Template(c[name]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m, len = ps.length, name;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        name = ps[i].name;
        if (m = e.match(ps[i].re)) {
          this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
            new Template(x[name]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

    switch (this.mode) {
      case 'selectorsAPI':
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          id = id.replace(/([\.:])/g, "\\$1");
          e = "#" + id + " " + e;
        }

        results = $A(root.querySelectorAll(e)).map(Element.extend);
        root.id = oldId;

        return results;
      case 'xpath':
        return document._getElementsByXPath(this.xpath, root);
      default:
       return this.matcher(root);
    }
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m, len = ps.length, name;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          if (as[name]) {
            this.tokens.push([name, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

if (Prototype.BrowserFeatures.SelectorsAPI &&
 document.compatMode === 'BackCompat') {
  Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
    var div = document.createElement('div'),
     span = document.createElement('span');

    div.id = "prototype_test_id";
    span.className = 'Test';
    div.appendChild(span);
    var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
    div = span = null;
    return isIgnored;
  })();
}

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
      'checked':     "[@checked]",
      'disabled':    "[(@disabled) and (@type!='hidden')]",
      'enabled':     "[not(@disabled) and (@type!='hidden')]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v, len = p.length, name;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i = 0; i<len; i++) {
            name = p[i].name
            if (m = e.match(p[i].re)) {
              v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: [
    { name: 'laterSibling', re: /^\s*~\s*/ },
    { name: 'child',        re: /^\s*>\s*/ },
    { name: 'adjacent',     re: /^\s*\+\s*/ },
    { name: 'descendant',   re: /^\s/ },

    { name: 'tagName',      re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
    { name: 'id',           re: /^#([\w\-\*]+)(\b|$)/ },
    { name: 'className',    re: /^\.([\w\-\*]+)(\b|$)/ },
    { name: 'pseudo',       re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
    { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
    { name: 'attr',         re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
  ],

  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: (function(){

      var PROPERTIES_ATTRIBUTES_MAP = (function(){
        var el = document.createElement('div'),
            isBuggy = false,
            propName = '_countedByPrototype',
            value = 'x'
        el[propName] = value;
        isBuggy = (el.getAttribute(propName) === value);
        el = null;
        return isBuggy;
      })();

      return PROPERTIES_ATTRIBUTES_MAP ?
        function(nodes) {
          for (var i = 0, node; node = nodes[i]; i++)
            node.removeAttribute('_countedByPrototype');
          return nodes;
        } :
        function(nodes) {
          for (var i = 0, node; node = nodes[i]; i++)
            node._countedByPrototype = void 0;
          return nodes;
        }
    })(),

    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (typeof (n = nodes[i])._countedByPrototype == 'undefined') {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;

      if (root == document) {
        if (!targetNode) return [];
        if (!nodes) return [targetNode];
      } else {
        if (!root.sourceIndex || root.sourceIndex < 1) {
          var nodes = root.getElementsByTagName('*');
          for (var j = 0, node; node = nodes[j]; j++) {
            if (node.id === id) return [node];
          }
        }
      }

      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (node.tagName == '!' || node.firstChild) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled && (!node.type || node.type !== 'hidden'))
          results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
     '-').include('-' + (v || "").toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});




if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}

var Form = {
  reset: function(form) {
    form = $(form);
    form.reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    var elements = $(form).getElementsByTagName('*'),
        element,
        arr = [ ],
        serializers = Form.Element.Serializers;
    for (var i = 0; element = elements[i]; i++) {
      arr.push(element);
    }
    return arr.inject([], function(elements, child) {
      if (serializers[child.tagName.toLowerCase()])
        elements.push(Element.extend(child));
      return elements;
    })
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return /^(?:input|select|textarea)$/i.test(element.tagName);
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/


Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {

  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !(/^(?:button|reset|submit)$/i.test(element.type))))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;

var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, value) {
    if (Object.isUndefined(value))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, currentValue, single = !Object.isArray(value);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        currentValue = this.optionValue(opt);
        if (single) {
          if (currentValue == value) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = value.include(currentValue);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/


Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
(function() {

  var Event = {
    KEY_BACKSPACE: 8,
    KEY_TAB:       9,
    KEY_RETURN:   13,
    KEY_ESC:      27,
    KEY_LEFT:     37,
    KEY_UP:       38,
    KEY_RIGHT:    39,
    KEY_DOWN:     40,
    KEY_DELETE:   46,
    KEY_HOME:     36,
    KEY_END:      35,
    KEY_PAGEUP:   33,
    KEY_PAGEDOWN: 34,
    KEY_INSERT:   45,

    cache: {}
  };

  var docEl = document.documentElement;
  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
    && 'onmouseleave' in docEl;

  var _isButton;
  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    _isButton = function(event, code) {
      return event.button === buttonMap[code];
    };
  } else if (Prototype.Browser.WebKit) {
    _isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };
  } else {
    _isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  function isLeftClick(event)   { return _isButton(event, 0) }

  function isMiddleClick(event) { return _isButton(event, 1) }

  function isRightClick(event)  { return _isButton(event, 2) }

  function element(event) {
    event = Event.extend(event);

    var node = event.target, type = event.type,
     currentTarget = event.currentTarget;

    if (currentTarget && currentTarget.tagName) {
      if (type === 'load' || type === 'error' ||
        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
          && currentTarget.type === 'radio'))
            node = currentTarget;
    }

    if (node.nodeType == Node.TEXT_NODE)
      node = node.parentNode;

    return Element.extend(node);
  }

  function findElement(event, expression) {
    var element = Event.element(event);
    if (!expression) return element;
    var elements = [element].concat(element.ancestors());
    return Selector.findElement(elements, expression, 0);
  }

  function pointer(event) {
    return { x: pointerX(event), y: pointerY(event) };
  }

  function pointerX(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollLeft: 0 };

    return event.pageX || (event.clientX +
      (docElement.scrollLeft || body.scrollLeft) -
      (docElement.clientLeft || 0));
  }

  function pointerY(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollTop: 0 };

    return  event.pageY || (event.clientY +
       (docElement.scrollTop || body.scrollTop) -
       (docElement.clientTop || 0));
  }


  function stop(event) {
    Event.extend(event);
    event.preventDefault();
    event.stopPropagation();

    event.stopped = true;
  }

  Event.Methods = {
    isLeftClick: isLeftClick,
    isMiddleClick: isMiddleClick,
    isRightClick: isRightClick,

    element: element,
    findElement: findElement,

    pointer: pointer,
    pointerX: pointerX,
    pointerY: pointerY,

    stop: stop
  };


  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    function _relatedTarget(event) {
      var element;
      switch (event.type) {
        case 'mouseover': element = event.fromElement; break;
        case 'mouseout':  element = event.toElement;   break;
        default: return null;
      }
      return Element.extend(element);
    }

    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return '[object Event]' }
    });

    Event.extend = function(event, element) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);

      Object.extend(event, {
        target: event.srcElement || element,
        relatedTarget: _relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });

      return Object.extend(event, methods);
    };
  } else {
    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
    Object.extend(Event.prototype, methods);
    Event.extend = Prototype.K;
  }

  function _createResponder(element, eventName, handler) {
    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) {
      CACHE.push(element);
      registry = Element.retrieve(element, 'prototype_event_registry', $H());
    }

    var respondersForEvent = registry.get(eventName);
    if (Object.isUndefined(respondersForEvent)) {
      respondersForEvent = [];
      registry.set(eventName, respondersForEvent);
    }

    if (respondersForEvent.pluck('handler').include(handler)) return false;

    var responder;
    if (eventName.include(":")) {
      responder = function(event) {
        if (Object.isUndefined(event.eventName))
          return false;

        if (event.eventName !== eventName)
          return false;

        Event.extend(event, element);
        handler.call(element, event);
      };
    } else {
      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
       (eventName === "mouseenter" || eventName === "mouseleave")) {
        if (eventName === "mouseenter" || eventName === "mouseleave") {
          responder = function(event) {
            Event.extend(event, element);

            var parent = event.relatedTarget;
            while (parent && parent !== element) {
              try { parent = parent.parentNode; }
              catch(e) { parent = element; }
            }

            if (parent === element) return;

            handler.call(element, event);
          };
        }
      } else {
        responder = function(event) {
          Event.extend(event, element);
          handler.call(element, event);
        };
      }
    }

    responder.handler = handler;
    respondersForEvent.push(responder);
    return responder;
  }

  function _destroyCache() {
    for (var i = 0, length = CACHE.length; i < length; i++) {
      Event.stopObserving(CACHE[i]);
      CACHE[i] = null;
    }
  }

  var CACHE = [];

  if (Prototype.Browser.IE)
    window.attachEvent('onunload', _destroyCache);

  if (Prototype.Browser.WebKit)
    window.addEventListener('unload', Prototype.emptyFunction, false);


  var _getDOMEventName = Prototype.K;

  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
    _getDOMEventName = function(eventName) {
      var translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
      return eventName in translations ? translations[eventName] : eventName;
    };
  }

  function observe(element, eventName, handler) {
    element = $(element);

    var responder = _createResponder(element, eventName, handler);

    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.addEventListener)
        element.addEventListener("dataavailable", responder, false);
      else {
        element.attachEvent("ondataavailable", responder);
        element.attachEvent("onfilterchange", responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);

      if (element.addEventListener)
        element.addEventListener(actualEventName, responder, false);
      else
        element.attachEvent("on" + actualEventName, responder);
    }

    return element;
  }

  function stopObserving(element, eventName, handler) {
    element = $(element);

    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) return element;

    if (eventName && !handler) {
      var responders = registry.get(eventName);

      if (Object.isUndefined(responders)) return element;

      responders.each( function(r) {
        Element.stopObserving(element, eventName, r.handler);
      });
      return element;
    } else if (!eventName) {
      registry.each( function(pair) {
        var eventName = pair.key, responders = pair.value;

        responders.each( function(r) {
          Element.stopObserving(element, eventName, r.handler);
        });
      });
      return element;
    }

    var responders = registry.get(eventName);

    if (!responders) return;

    var responder = responders.find( function(r) { return r.handler === handler; });
    if (!responder) return element;

    var actualEventName = _getDOMEventName(eventName);

    if (eventName.include(':')) {
      if (element.removeEventListener)
        element.removeEventListener("dataavailable", responder, false);
      else {
        element.detachEvent("ondataavailable", responder);
        element.detachEvent("onfilterchange",  responder);
      }
    } else {
      if (element.removeEventListener)
        element.removeEventListener(actualEventName, responder, false);
      else
        element.detachEvent('on' + actualEventName, responder);
    }

    registry.set(eventName, responders.without(responder));

    return element;
  }

  function fire(element, eventName, memo, bubble) {
    element = $(element);

    if (Object.isUndefined(bubble))
      bubble = true;

    if (element == document && document.createEvent && !element.dispatchEvent)
      element = document.documentElement;

    var event;
    if (document.createEvent) {
      event = document.createEvent('HTMLEvents');
      event.initEvent('dataavailable', true, true);
    } else {
      event = document.createEventObject();
      event.eventType = bubble ? 'ondataavailable' : 'onfilterchange';
    }

    event.eventName = eventName;
    event.memo = memo || { };

    if (document.createEvent)
      element.dispatchEvent(event);
    else
      element.fireEvent(event.eventType, event);

    return Event.extend(event);
  }


  Object.extend(Event, Event.Methods);

  Object.extend(Event, {
    fire:          fire,
    observe:       observe,
    stopObserving: stopObserving
  });

  Element.addMethods({
    fire:          fire,

    observe:       observe,

    stopObserving: stopObserving
  });

  Object.extend(document, {
    fire:          fire.methodize(),

    observe:       observe.methodize(),

    stopObserving: stopObserving.methodize(),

    loaded:        false
  });

  if (window.Event) Object.extend(window.Event, Event);
  else window.Event = Event;
})();

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearTimeout(timer);
    document.loaded = true;
    document.fire('dom:loaded');
  }

  function checkReadyState() {
    if (document.readyState === 'complete') {
      document.stopObserving('readystatechange', checkReadyState);
      fireContentLoadedEvent();
    }
  }

  function pollDoScroll() {
    try { document.documentElement.doScroll('left'); }
    catch(e) {
      timer = pollDoScroll.defer();
      return;
    }
    fireContentLoadedEvent();
  }

  if (document.addEventListener) {
    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
  } else {
    document.observe('readystatechange', checkReadyState);
    if (window == top)
      timer = pollDoScroll.defer();
  }

  Event.observe(window, 'load', fireContentLoadedEvent);
})();

Element.addMethods();

/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

var Position = {
  includeScrollOffsets: false,

  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },


  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

// script.aculo.us builder.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Builder = {
  NODEMAP: {
    AREA: 'map',
    CAPTION: 'table',
    COL: 'table',
    COLGROUP: 'table',
    LEGEND: 'fieldset',
    OPTGROUP: 'select',
    OPTION: 'select',
    PARAM: 'object',
    TBODY: 'table',
    TD: 'table',
    TFOOT: 'table',
    TH: 'table',
    THEAD: 'table',
    TR: 'table'
  },
  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
  //       due to a Firefox bug
  node: function(elementName) {
    elementName = elementName.toUpperCase();

    // try innerHTML approach
    var parentTag = this.NODEMAP[elementName] || 'div';
    var parentElement = document.createElement(parentTag);
    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
    } catch(e) {}
    var element = parentElement.firstChild || null;

    // see if browser added wrapping tags
    if(element && (element.tagName.toUpperCase() != elementName))
      element = element.getElementsByTagName(elementName)[0];

    // fallback to createElement approach
    if(!element) element = document.createElement(elementName);

    // abort if nothing could be created
    if(!element) return;

    // attributes (or text)
    if(arguments[1])
      if(this._isStringOrNumber(arguments[1]) ||
        (arguments[1] instanceof Array) ||
        arguments[1].tagName) {
          this._children(element, arguments[1]);
        } else {
          var attrs = this._attributes(arguments[1]);
          if(attrs.length) {
            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
              parentElement.innerHTML = "<" +elementName + " " +
                attrs + "></" + elementName + ">";
            } catch(e) {}
            element = parentElement.firstChild || null;
            // workaround firefox 1.0.X bug
            if(!element) {
              element = document.createElement(elementName);
              for(attr in arguments[1])
                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
            }
            if(element.tagName.toUpperCase() != elementName)
              element = parentElement.getElementsByTagName(elementName)[0];
          }
        }

    // text, or array of children
    if(arguments[2])
      this._children(element, arguments[2]);

     return $(element);
  },
  _text: function(text) {
     return document.createTextNode(text);
  },

  ATTR_MAP: {
    'className': 'class',
    'htmlFor': 'for'
  },

  _attributes: function(attributes) {
    var attrs = [];
    for(attribute in attributes)
      attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
          '="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'&quot;') + '"');
    return attrs.join(" ");
  },
  _children: function(element, children) {
    if(children.tagName) {
      element.appendChild(children);
      return;
    }
    if(typeof children=='object') { // array can hold nodes and text
      children.flatten().each( function(e) {
        if(typeof e=='object')
          element.appendChild(e);
        else
          if(Builder._isStringOrNumber(e))
            element.appendChild(Builder._text(e));
      });
    } else
      if(Builder._isStringOrNumber(children))
        element.appendChild(Builder._text(children));
  },
  _isStringOrNumber: function(param) {
    return(typeof param=='string' || typeof param=='number');
  },
  build: function(html) {
    var element = this.node('div');
    $(element).update(html.strip());
    return element.down();
  },
  dump: function(scope) {
    if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope

    var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
      "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
      "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
      "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
      "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
      "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);

    tags.each( function(tag){
      scope[tag] = function() {
        return Builder.node.apply(Builder, [tag].concat($A(arguments)));
      };
    });
  }
};

// script.aculo.us effects.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// converts rgb() and #xxx to #xxxxxx format,
// returns self (or first argument) if not convertable
String.prototype.parseColor = function() {
  var color = '#';
  if (this.slice(0,4) == 'rgb(') {
    var cols = this.slice(4,this.length-1).split(',');
    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
  } else {
    if (this.slice(0,1) == '#') {
      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
      if (this.length==7) color = this.toLowerCase();
    }
  }
  return (color.length==7 ? color : (arguments[0] || this));
};

/*--------------------------------------------------------------------------*/

Element.collectTextNodes = function(element) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
  }).flatten().join('');
};

Element.collectTextNodesIgnoreClass = function(element, className) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
        Element.collectTextNodesIgnoreClass(node, className) : ''));
  }).flatten().join('');
};

Element.setContentZoom = function(element, percent) {
  element = $(element);
  element.setStyle({fontSize: (percent/100) + 'em'});
  if (Prototype.Browser.WebKit) window.scrollBy(0,0);
  return element;
};

Element.getInlineOpacity = function(element){
  return $(element).style.opacity || '';
};

Element.forceRerendering = function(element) {
  try {
    element = $(element);
    var n = document.createTextNode(' ');
    element.appendChild(n);
    element.removeChild(n);
  } catch(e) { }
};

/*--------------------------------------------------------------------------*/

var Effect = {
  _elementDoesNotExistError: {
    name: 'ElementDoesNotExistError',
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
  },
  Transitions: {
    linear: Prototype.K,
    sinoidal: function(pos) {
      return (-Math.cos(pos*Math.PI)/2) + .5;
    },
    reverse: function(pos) {
      return 1-pos;
    },
    flicker: function(pos) {
      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
      return pos > 1 ? 1 : pos;
    },
    wobble: function(pos) {
      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
    },
    pulse: function(pos, pulses) {
      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
    },
    spring: function(pos) {
      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
    },
    none: function(pos) {
      return 0;
    },
    full: function(pos) {
      return 1;
    }
  },
  DefaultOptions: {
    duration:   1.0,   // seconds
    fps:        100,   // 100= assume 66fps max.
    sync:       false, // true for combining
    from:       0.0,
    to:         1.0,
    delay:      0.0,
    queue:      'parallel'
  },
  tagifyText: function(element) {
    var tagifyStyle = 'position:relative';
    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';

    element = $(element);
    $A(element.childNodes).each( function(child) {
      if (child.nodeType==3) {
        child.nodeValue.toArray().each( function(character) {
          element.insertBefore(
            new Element('span', {style: tagifyStyle}).update(
              character == ' ' ? String.fromCharCode(160) : character),
              child);
        });
        Element.remove(child);
      }
    });
  },
  multiple: function(element, effect) {
    var elements;
    if (((typeof element == 'object') ||
        Object.isFunction(element)) &&
       (element.length))
      elements = element;
    else
      elements = $(element).childNodes;

    var options = Object.extend({
      speed: 0.1,
      delay: 0.0
    }, arguments[2] || { });
    var masterDelay = options.delay;

    $A(elements).each( function(element, index) {
      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
    });
  },
  PAIRS: {
    'slide':  ['SlideDown','SlideUp'],
    'blind':  ['BlindDown','BlindUp'],
    'appear': ['Appear','Fade']
  },
  toggle: function(element, effect, options) {
    element = $(element);
    effect  = (effect || 'appear').toLowerCase();
    
    return Effect[ Effect.PAIRS[ effect ][ element.visible() ? 1 : 0 ] ](element, Object.extend({
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
    }, options || {}));
  }
};

Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;

/* ------------- core effects ------------- */

Effect.ScopedQueue = Class.create(Enumerable, {
  initialize: function() {
    this.effects  = [];
    this.interval = null;
  },
  _each: function(iterator) {
    this.effects._each(iterator);
  },
  add: function(effect) {
    var timestamp = new Date().getTime();

    var position = Object.isString(effect.options.queue) ?
      effect.options.queue : effect.options.queue.position;

    switch(position) {
      case 'front':
        // move unstarted effects after this effect
        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
            e.startOn  += effect.finishOn;
            e.finishOn += effect.finishOn;
          });
        break;
      case 'with-last':
        timestamp = this.effects.pluck('startOn').max() || timestamp;
        break;
      case 'end':
        // start effect after last queued effect has finished
        timestamp = this.effects.pluck('finishOn').max() || timestamp;
        break;
    }

    effect.startOn  += timestamp;
    effect.finishOn += timestamp;

    if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
      this.effects.push(effect);

    if (!this.interval)
      this.interval = setInterval(this.loop.bind(this), 15);
  },
  remove: function(effect) {
    this.effects = this.effects.reject(function(e) { return e==effect });
    if (this.effects.length == 0) {
      clearInterval(this.interval);
      this.interval = null;
    }
  },
  loop: function() {
    var timePos = new Date().getTime();
    for(var i=0, len=this.effects.length;i<len;i++)
      this.effects[i] && this.effects[i].loop(timePos);
  }
});

Effect.Queues = {
  instances: $H(),
  get: function(queueName) {
    if (!Object.isString(queueName)) return queueName;

    return this.instances.get(queueName) ||
      this.instances.set(queueName, new Effect.ScopedQueue());
  }
};
Effect.Queue = Effect.Queues.get('global');

Effect.Base = Class.create({
  position: null,
  start: function(options) {
    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
    this.options      = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
    this.currentFrame = 0;
    this.state        = 'idle';
    this.startOn      = this.options.delay*1000;
    this.finishOn     = this.startOn+(this.options.duration*1000);
    this.fromToDelta  = this.options.to-this.options.from;
    this.totalTime    = this.finishOn-this.startOn;
    this.totalFrames  = this.options.fps*this.options.duration;

    this.render = (function() {
      function dispatch(effect, eventName) {
        if (effect.options[eventName + 'Internal'])
          effect.options[eventName + 'Internal'](effect);
        if (effect.options[eventName])
          effect.options[eventName](effect);
      }

      return function(pos) {
        if (this.state === "idle") {
          this.state = "running";
          dispatch(this, 'beforeSetup');
          if (this.setup) this.setup();
          dispatch(this, 'afterSetup');
        }
        if (this.state === "running") {
          pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
          this.position = pos;
          dispatch(this, 'beforeUpdate');
          if (this.update) this.update(pos);
          dispatch(this, 'afterUpdate');
        }
      };
    })();

    this.event('beforeStart');
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).add(this);
  },
  loop: function(timePos) {
    if (timePos >= this.startOn) {
      if (timePos >= this.finishOn) {
        this.render(1.0);
        this.cancel();
        this.event('beforeFinish');
        if (this.finish) this.finish();
        this.event('afterFinish');
        return;
      }
      var pos   = (timePos - this.startOn) / this.totalTime,
          frame = (pos * this.totalFrames).round();
      if (frame > this.currentFrame) {
        this.render(pos);
        this.currentFrame = frame;
      }
    }
  },
  cancel: function() {
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).remove(this);
    this.state = 'finished';
  },
  event: function(eventName) {
    if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
    if (this.options[eventName]) this.options[eventName](this);
  },
  inspect: function() {
    var data = $H();
    for(property in this)
      if (!Object.isFunction(this[property])) data.set(property, this[property]);
    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  }
});

Effect.Parallel = Class.create(Effect.Base, {
  initialize: function(effects) {
    this.effects = effects || [];
    this.start(arguments[1]);
  },
  update: function(position) {
    this.effects.invoke('render', position);
  },
  finish: function(position) {
    this.effects.each( function(effect) {
      effect.render(1.0);
      effect.cancel();
      effect.event('beforeFinish');
      if (effect.finish) effect.finish(position);
      effect.event('afterFinish');
    });
  }
});

Effect.Tween = Class.create(Effect.Base, {
  initialize: function(object, from, to) {
    object = Object.isString(object) ? $(object) : object;
    var args = $A(arguments), method = args.last(),
      options = args.length == 5 ? args[3] : null;
    this.method = Object.isFunction(method) ? method.bind(object) :
      Object.isFunction(object[method]) ? object[method].bind(object) :
      function(value) { object[method] = value };
    this.start(Object.extend({ from: from, to: to }, options || { }));
  },
  update: function(position) {
    this.method(position);
  }
});

Effect.Event = Class.create(Effect.Base, {
  initialize: function() {
    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
  },
  update: Prototype.emptyFunction
});

Effect.Opacity = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    // make this work on IE on elements without 'layout'
    if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
      this.element.setStyle({zoom: 1});
    var options = Object.extend({
      from: this.element.getOpacity() || 0.0,
      to:   1.0
    }, arguments[1] || { });
    this.start(options);
  },
  update: function(position) {
    this.element.setOpacity(position);
  }
});

Effect.Move = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'relative'
    }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    this.element.makePositioned();
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
    if (this.options.mode == 'absolute') {
      this.options.x = this.options.x - this.originalLeft;
      this.options.y = this.options.y - this.originalTop;
    }
  },
  update: function(position) {
    this.element.setStyle({
      left: (this.options.x  * position + this.originalLeft).round() + 'px',
      top:  (this.options.y  * position + this.originalTop).round()  + 'px'
    });
  }
});

// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
  return new Effect.Move(element,
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
};

Effect.Scale = Class.create(Effect.Base, {
  initialize: function(element, percent) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      scaleX: true,
      scaleY: true,
      scaleContent: true,
      scaleFromCenter: false,
      scaleMode: 'box',        // 'box' or 'contents' or { } with provided values
      scaleFrom: 100.0,
      scaleTo:   percent
    }, arguments[2] || { });
    this.start(options);
  },
  setup: function() {
    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
    this.elementPositioning = this.element.getStyle('position');

    this.originalStyle = { };
    ['top','left','width','height','fontSize'].each( function(k) {
      this.originalStyle[k] = this.element.style[k];
    }.bind(this));

    this.originalTop  = this.element.offsetTop;
    this.originalLeft = this.element.offsetLeft;

    var fontSize = this.element.getStyle('font-size') || '100%';
    ['em','px','%','pt'].each( function(fontSizeType) {
      if (fontSize.indexOf(fontSizeType)>0) {
        this.fontSize     = parseFloat(fontSize);
        this.fontSizeType = fontSizeType;
      }
    }.bind(this));

    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;

    this.dims = null;
    if (this.options.scaleMode=='box')
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
    if (/^content/.test(this.options.scaleMode))
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
    if (!this.dims)
      this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
  },
  update: function(position) {
    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
    if (this.options.scaleContent && this.fontSize)
      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
  },
  finish: function(position) {
    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
  },
  setDimensions: function(height, width) {
    var d = { };
    if (this.options.scaleX) d.width = width.round() + 'px';
    if (this.options.scaleY) d.height = height.round() + 'px';
    if (this.options.scaleFromCenter) {
      var topd  = (height - this.dims[0])/2;
      var leftd = (width  - this.dims[1])/2;
      if (this.elementPositioning == 'absolute') {
        if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
        if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
      } else {
        if (this.options.scaleY) d.top = -topd + 'px';
        if (this.options.scaleX) d.left = -leftd + 'px';
      }
    }
    this.element.setStyle(d);
  }
});

Effect.Highlight = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    // Prevent executing on elements not in the layout flow
    if (this.element.getStyle('display')=='none') { this.cancel(); return; }
    // Disable background image during the effect
    this.oldStyle = { };
    if (!this.options.keepBackgroundImage) {
      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
      this.element.setStyle({backgroundImage: 'none'});
    }
    if (!this.options.endcolor)
      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
    if (!this.options.restorecolor)
      this.options.restorecolor = this.element.getStyle('background-color');
    // init color calculations
    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
  },
  update: function(position) {
    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
      return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  },
  finish: function() {
    this.element.setStyle(Object.extend(this.oldStyle, {
      backgroundColor: this.options.restorecolor
    }));
  }
});

Effect.ScrollTo = function(element) {
  var options = arguments[1] || { },
  scrollOffsets = document.viewport.getScrollOffsets(),
  elementOffsets = $(element).cumulativeOffset();

  if (options.offset) elementOffsets[1] += options.offset;

  return new Effect.Tween(null,
    scrollOffsets.top,
    elementOffsets[1],
    options,
    function(p){ scrollTo(scrollOffsets.left, p.round()); }
  );
};

/* ------------- combination effects ------------- */

Effect.Fade = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  var options = Object.extend({
    from: element.getOpacity() || 1.0,
    to:   0.0,
    afterFinishInternal: function(effect) {
      if (effect.options.to!=0) return;
      effect.element.hide().setStyle({opacity: oldOpacity});
    }
  }, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Appear = function(element) {
  element = $(element);
  var options = Object.extend({
  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
  to:   1.0,
  // force Safari to render floated elements properly
  afterFinishInternal: function(effect) {
    effect.element.forceRerendering();
  },
  beforeSetup: function(effect) {
    effect.element.setOpacity(effect.options.from).show();
  }}, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Puff = function(element) {
  element = $(element);
  var oldStyle = {
    opacity: element.getInlineOpacity(),
    position: element.getStyle('position'),
    top:  element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height
  };
  return new Effect.Parallel(
   [ new Effect.Scale(element, 200,
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
     Object.extend({ duration: 1.0,
      beforeSetupInternal: function(effect) {
        Position.absolutize(effect.effects[0].element);
      },
      afterFinishInternal: function(effect) {
         effect.effects[0].element.hide().setStyle(oldStyle); }
     }, arguments[1] || { })
   );
};

Effect.BlindUp = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false,
      scaleX: false,
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      }
    }, arguments[1] || { })
  );
};

Effect.BlindDown = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

Effect.SwitchOff = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  return new Effect.Appear(element, Object.extend({
    duration: 0.4,
    from: 0,
    transition: Effect.Transitions.flicker,
    afterFinishInternal: function(effect) {
      new Effect.Scale(effect.element, 1, {
        duration: 0.3, scaleFromCenter: true,
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
        beforeSetup: function(effect) {
          effect.element.makePositioned().makeClipping();
        },
        afterFinishInternal: function(effect) {
          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
        }
      });
    }
  }, arguments[1] || { }));
};

Effect.DropOut = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left'),
    opacity: element.getInlineOpacity() };
  return new Effect.Parallel(
    [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
    Object.extend(
      { duration: 0.5,
        beforeSetup: function(effect) {
          effect.effects[0].element.makePositioned();
        },
        afterFinishInternal: function(effect) {
          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
        }
      }, arguments[1] || { }));
};

Effect.Shake = function(element) {
  element = $(element);
  var options = Object.extend({
    distance: 20,
    duration: 0.5
  }, arguments[1] || {});
  var distance = parseFloat(options.distance);
  var split = parseFloat(options.duration) / 10.0;
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left') };
    return new Effect.Move(element,
      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
        effect.element.undoPositioned().setStyle(oldStyle);
  }}); }}); }}); }}); }}); }});
};

Effect.SlideDown = function(element) {
  element = $(element).cleanWhitespace();
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: window.opera ? 0 : 1,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
    }, arguments[1] || { })
  );
};

Effect.SlideUp = function(element) {
  element = $(element).cleanWhitespace();
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false,
    scaleX: false,
    scaleMode: 'box',
    scaleFrom: 100,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
    }
   }, arguments[1] || { })
  );
};

// Bug in opera makes the TD containing this element expand for a instance after finish
Effect.Squish = function(element) {
  return new Effect.Scale(element, window.opera ? 1 : 0, {
    restoreAfterFinish: true,
    beforeSetup: function(effect) {
      effect.element.makeClipping();
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping();
    }
  });
};

Effect.Grow = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.full
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var initialMoveX, initialMoveY;
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      initialMoveX = initialMoveY = moveX = moveY = 0;
      break;
    case 'top-right':
      initialMoveX = dims.width;
      initialMoveY = moveY = 0;
      moveX = -dims.width;
      break;
    case 'bottom-left':
      initialMoveX = moveX = 0;
      initialMoveY = dims.height;
      moveY = -dims.height;
      break;
    case 'bottom-right':
      initialMoveX = dims.width;
      initialMoveY = dims.height;
      moveX = -dims.width;
      moveY = -dims.height;
      break;
    case 'center':
      initialMoveX = dims.width / 2;
      initialMoveY = dims.height / 2;
      moveX = -dims.width / 2;
      moveY = -dims.height / 2;
      break;
  }

  return new Effect.Move(element, {
    x: initialMoveX,
    y: initialMoveY,
    duration: 0.01,
    beforeSetup: function(effect) {
      effect.element.hide().makeClipping().makePositioned();
    },
    afterFinishInternal: function(effect) {
      new Effect.Parallel(
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
          new Effect.Scale(effect.element, 100, {
            scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
        ], Object.extend({
             beforeSetup: function(effect) {
               effect.effects[0].element.setStyle({height: '0px'}).show();
             },
             afterFinishInternal: function(effect) {
               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
             }
           }, options)
      );
    }
  });
};

Effect.Shrink = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.none
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      moveX = moveY = 0;
      break;
    case 'top-right':
      moveX = dims.width;
      moveY = 0;
      break;
    case 'bottom-left':
      moveX = 0;
      moveY = dims.height;
      break;
    case 'bottom-right':
      moveX = dims.width;
      moveY = dims.height;
      break;
    case 'center':
      moveX = dims.width / 2;
      moveY = dims.height / 2;
      break;
  }

  return new Effect.Parallel(
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
    ], Object.extend({
         beforeStartInternal: function(effect) {
           effect.effects[0].element.makePositioned().makeClipping();
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
       }, options)
  );
};

Effect.Pulsate = function(element) {
  element = $(element);
  var options    = arguments[1] || { },
    oldOpacity = element.getInlineOpacity(),
    transition = options.transition || Effect.Transitions.linear,
    reverser   = function(pos){
      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
    };

  return new Effect.Opacity(element,
    Object.extend(Object.extend({  duration: 2.0, from: 0,
      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
    }, options), {transition: reverser}));
};

Effect.Fold = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height };
  element.makeClipping();
  return new Effect.Scale(element, 5, Object.extend({
    scaleContent: false,
    scaleX: false,
    afterFinishInternal: function(effect) {
    new Effect.Scale(element, 1, {
      scaleContent: false,
      scaleY: false,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping().setStyle(oldStyle);
      } });
  }}, arguments[1] || { }));
};

Effect.Morph = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      style: { }
    }, arguments[1] || { });

    if (!Object.isString(options.style)) this.style = $H(options.style);
    else {
      if (options.style.include(':'))
        this.style = options.style.parseStyle();
      else {
        this.element.addClassName(options.style);
        this.style = $H(this.element.getStyles());
        this.element.removeClassName(options.style);
        var css = this.element.getStyles();
        this.style = this.style.reject(function(style) {
          return style.value == css[style.key];
        });
        options.afterFinishInternal = function(effect) {
          effect.element.addClassName(effect.options.style);
          effect.transforms.each(function(transform) {
            effect.element.style[transform.style] = '';
          });
        };
      }
    }
    this.start(options);
  },

  setup: function(){
    function parseColor(color){
      if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
      color = color.parseColor();
      return $R(0,2).map(function(i){
        return parseInt( color.slice(i*2+1,i*2+3), 16 );
      });
    }
    this.transforms = this.style.map(function(pair){
      var property = pair[0], value = pair[1], unit = null;

      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
        value = value.parseColor();
        unit  = 'color';
      } else if (property == 'opacity') {
        value = parseFloat(value);
        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
          this.element.setStyle({zoom: 1});
      } else if (Element.CSS_LENGTH.test(value)) {
          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
          value = parseFloat(components[1]);
          unit = (components.length == 3) ? components[2] : null;
      }

      var originalValue = this.element.getStyle(property);
      return {
        style: property.camelize(),
        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
        targetValue: unit=='color' ? parseColor(value) : value,
        unit: unit
      };
    }.bind(this)).reject(function(transform){
      return (
        (transform.originalValue == transform.targetValue) ||
        (
          transform.unit != 'color' &&
          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
        )
      );
    });
  },
  update: function(position) {
    var style = { }, transform, i = this.transforms.length;
    while(i--)
      style[(transform = this.transforms[i]).style] =
        transform.unit=='color' ? '#'+
          (Math.round(transform.originalValue[0]+
            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
          (Math.round(transform.originalValue[1]+
            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
          (Math.round(transform.originalValue[2]+
            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
        (transform.originalValue +
          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
            (transform.unit === null ? '' : transform.unit);
    this.element.setStyle(style, true);
  }
});

Effect.Transform = Class.create({
  initialize: function(tracks){
    this.tracks  = [];
    this.options = arguments[1] || { };
    this.addTracks(tracks);
  },
  addTracks: function(tracks){
    tracks.each(function(track){
      track = $H(track);
      var data = track.values().first();
      this.tracks.push($H({
        ids:     track.keys().first(),
        effect:  Effect.Morph,
        options: { style: data }
      }));
    }.bind(this));
    return this;
  },
  play: function(){
    return new Effect.Parallel(
      this.tracks.map(function(track){
        var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
        var elements = [$(ids) || $$(ids)].flatten();
        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
      }).flatten(),
      this.options
    );
  }
});

Element.CSS_PROPERTIES = $w(
  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  'fontSize fontWeight height left letterSpacing lineHeight ' +
  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  'right textIndent top width wordSpacing zIndex');

Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;

String.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
  var style, styleRules = $H();
  if (Prototype.Browser.WebKit)
    style = new Element('div',{style:this}).style;
  else {
    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
    style = String.__parseStyleElement.childNodes[0].style;
  }

  Element.CSS_PROPERTIES.each(function(property){
    if (style[property]) styleRules.set(property, style[property]);
  });

  if (Prototype.Browser.IE && this.include('opacity'))
    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);

  return styleRules;
};

if (document.defaultView && document.defaultView.getComputedStyle) {
  Element.getStyles = function(element) {
    var css = document.defaultView.getComputedStyle($(element), null);
    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
      styles[property] = css[property];
      return styles;
    });
  };
} else {
  Element.getStyles = function(element) {
    element = $(element);
    var css = element.currentStyle, styles;
    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
      results[property] = css[property];
      return results;
    });
    if (!styles.opacity) styles.opacity = element.getOpacity();
    return styles;
  };
}

Effect.Methods = {
  morph: function(element, style) {
    element = $(element);
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
    return element;
  },
  visualEffect: function(element, effect, options) {
    element = $(element);
    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[klass](element, options);
    return element;
  },
  highlight: function(element, options) {
    element = $(element);
    new Effect.Highlight(element, options);
    return element;
  }
};

$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  'pulsate shake puff squish switchOff dropOut').each(
  function(effect) {
    Effect.Methods[effect] = function(element, options){
      element = $(element);
      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
      return element;
    };
  }
);

$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
  function(f) { Effect.Methods[f] = Element[f]; }
);

Element.addMethods(Effect.Methods);

// script.aculo.us dragdrop.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

if(Object.isUndefined(Effect))
  throw("dragdrop.js requires including script.aculo.us' effects.js library");

var Droppables = {
  drops: [],

  remove: function(element) {
    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
  },

  add: function(element) {
    element = $(element);
    var options = Object.extend({
      greedy:     true,
      hoverclass: null,
      tree:       false
    }, arguments[1] || { });

    // cache containers
    if(options.containment) {
      options._containers = [];
      var containment = options.containment;
      if(Object.isArray(containment)) {
        containment.each( function(c) { options._containers.push($(c)) });
      } else {
        options._containers.push($(containment));
      }
    }

    if(options.accept) options.accept = [options.accept].flatten();

    Element.makePositioned(element); // fix IE
    options.element = element;

    this.drops.push(options);
  },

  findDeepestChild: function(drops) {
    deepest = drops[0];

    for (i = 1; i < drops.length; ++i)
      if (Element.isParent(drops[i].element, deepest.element))
        deepest = drops[i];

    return deepest;
  },

  isContained: function(element, drop) {
    var containmentNode;
    if(drop.tree) {
      containmentNode = element.treeNode;
    } else {
      containmentNode = element.parentNode;
    }
    return drop._containers.detect(function(c) { return containmentNode == c });
  },

  isAffected: function(point, element, drop) {
    return (
      (drop.element!=element) &&
      ((!drop._containers) ||
        this.isContained(element, drop)) &&
      ((!drop.accept) ||
        (Element.classNames(element).detect(
          function(v) { return drop.accept.include(v) } ) )) &&
      Position.within(drop.element, point[0], point[1]) );
  },

  deactivate: function(drop) {
    if(drop.hoverclass)
      Element.removeClassName(drop.element, drop.hoverclass);
    this.last_active = null;
  },

  activate: function(drop) {
    if(drop.hoverclass)
      Element.addClassName(drop.element, drop.hoverclass);
    this.last_active = drop;
  },

  show: function(point, element) {
    if(!this.drops.length) return;
    var drop, affected = [];

    this.drops.each( function(drop) {
      if(Droppables.isAffected(point, element, drop))
        affected.push(drop);
    });

    if(affected.length>0)
      drop = Droppables.findDeepestChild(affected);

    if(this.last_active && this.last_active != drop) this.deactivate(this.last_active);
    if (drop) {
      Position.within(drop.element, point[0], point[1]);
      if(drop.onHover)
        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));

      if (drop != this.last_active) Droppables.activate(drop);
    }
  },

  fire: function(event, element) {
    if(!this.last_active) return;
    Position.prepare();

    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
      if (this.last_active.onDrop) {
        this.last_active.onDrop(element, this.last_active.element, event);
        return true;
      }
  },

  reset: function() {
    if(this.last_active)
      this.deactivate(this.last_active);
  }
};

var Draggables = {
  drags: [],
  observers: [],

  register: function(draggable) {
    if(this.drags.length == 0) {
      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
      this.eventKeypress  = this.keyPress.bindAsEventListener(this);

      Event.observe(document, "mouseup", this.eventMouseUp);
      Event.observe(document, "mousemove", this.eventMouseMove);
      Event.observe(document, "keypress", this.eventKeypress);
    }
    this.drags.push(draggable);
  },

  unregister: function(draggable) {
    this.drags = this.drags.reject(function(d) { return d==draggable });
    if(this.drags.length == 0) {
      Event.stopObserving(document, "mouseup", this.eventMouseUp);
      Event.stopObserving(document, "mousemove", this.eventMouseMove);
      Event.stopObserving(document, "keypress", this.eventKeypress);
    }
  },

  activate: function(draggable) {
    if(draggable.options.delay) {
      this._timeout = setTimeout(function() {
        Draggables._timeout = null;
        window.focus();
        Draggables.activeDraggable = draggable;
      }.bind(this), draggable.options.delay);
    } else {
      window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
      this.activeDraggable = draggable;
    }
  },

  deactivate: function() {
    this.activeDraggable = null;
  },

  updateDrag: function(event) {
    if(!this.activeDraggable) return;
    var pointer = [Event.pointerX(event), Event.pointerY(event)];
    // Mozilla-based browsers fire successive mousemove events with
    // the same coordinates, prevent needless redrawing (moz bug?)
    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
    this._lastPointer = pointer;

    this.activeDraggable.updateDrag(event, pointer);
  },

  endDrag: function(event) {
    if(this._timeout) {
      clearTimeout(this._timeout);
      this._timeout = null;
    }
    if(!this.activeDraggable) return;
    this._lastPointer = null;
    this.activeDraggable.endDrag(event);
    this.activeDraggable = null;
  },

  keyPress: function(event) {
    if(this.activeDraggable)
      this.activeDraggable.keyPress(event);
  },

  addObserver: function(observer) {
    this.observers.push(observer);
    this._cacheObserverCallbacks();
  },

  removeObserver: function(element) {  // element instead of observer fixes mem leaks
    this.observers = this.observers.reject( function(o) { return o.element==element });
    this._cacheObserverCallbacks();
  },

  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
    if(this[eventName+'Count'] > 0)
      this.observers.each( function(o) {
        if(o[eventName]) o[eventName](eventName, draggable, event);
      });
    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
  },

  _cacheObserverCallbacks: function() {
    ['onStart','onEnd','onDrag'].each( function(eventName) {
      Draggables[eventName+'Count'] = Draggables.observers.select(
        function(o) { return o[eventName]; }
      ).length;
    });
  }
};

/*--------------------------------------------------------------------------*/

var Draggable = Class.create({
  initialize: function(element) {
    var defaults = {
      handle: false,
      reverteffect: function(element, top_offset, left_offset) {
        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
          queue: {scope:'_draggable', position:'end'}
        });
      },
      endeffect: function(element) {
        var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0;
        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity,
          queue: {scope:'_draggable', position:'end'},
          afterFinish: function(){
            Draggable._dragging[element] = false
          }
        });
      },
      zindex: 1000,
      revert: false,
      quiet: false,
      scroll: false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
      delay: 0
    };

    if(!arguments[1] || Object.isUndefined(arguments[1].endeffect))
      Object.extend(defaults, {
        starteffect: function(element) {
          element._opacity = Element.getOpacity(element);
          Draggable._dragging[element] = true;
          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
        }
      });

    var options = Object.extend(defaults, arguments[1] || { });

    this.element = $(element);

    if(options.handle && Object.isString(options.handle))
      this.handle = this.element.down('.'+options.handle, 0);

    if(!this.handle) this.handle = $(options.handle);
    if(!this.handle) this.handle = this.element;

    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
      options.scroll = $(options.scroll);
      this._isScrollChild = Element.childOf(this.element, options.scroll);
    }

    Element.makePositioned(this.element); // fix IE

    this.options  = options;
    this.dragging = false;

    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
    Event.observe(this.handle, "mousedown", this.eventMouseDown);

    Draggables.register(this);
  },

  destroy: function() {
    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
    Draggables.unregister(this);
  },

  currentDelta: function() {
    return([
      parseInt(Element.getStyle(this.element,'left') || '0'),
      parseInt(Element.getStyle(this.element,'top') || '0')]);
  },

  initDrag: function(event) {
    if(!Object.isUndefined(Draggable._dragging[this.element]) &&
      Draggable._dragging[this.element]) return;
    if(Event.isLeftClick(event)) {
      // abort on form elements, fixes a Firefox issue
      var src = Event.element(event);
      if((tag_name = src.tagName.toUpperCase()) && (
        tag_name=='INPUT' ||
        tag_name=='SELECT' ||
        tag_name=='OPTION' ||
        tag_name=='BUTTON' ||
        tag_name=='TEXTAREA')) return;

      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      var pos     = this.element.cumulativeOffset();
      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });

      Draggables.activate(this);
      Event.stop(event);
    }
  },

  startDrag: function(event) {
    this.dragging = true;
    if(!this.delta)
      this.delta = this.currentDelta();

    if(this.options.zindex) {
      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
      this.element.style.zIndex = this.options.zindex;
    }

    if(this.options.ghosting) {
      this._clone = this.element.cloneNode(true);
      this._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
      if (!this._originallyAbsolute)
        Position.absolutize(this.element);
      this.element.parentNode.insertBefore(this._clone, this.element);
    }

    if(this.options.scroll) {
      if (this.options.scroll == window) {
        var where = this._getWindowScroll(this.options.scroll);
        this.originalScrollLeft = where.left;
        this.originalScrollTop = where.top;
      } else {
        this.originalScrollLeft = this.options.scroll.scrollLeft;
        this.originalScrollTop = this.options.scroll.scrollTop;
      }
    }

    Draggables.notify('onStart', this, event);

    if(this.options.starteffect) this.options.starteffect(this.element);
  },

  updateDrag: function(event, pointer) {
    if(!this.dragging) this.startDrag(event);

    if(!this.options.quiet){
      Position.prepare();
      Droppables.show(pointer, this.element);
    }

    Draggables.notify('onDrag', this, event);

    this.draw(pointer);
    if(this.options.change) this.options.change(this);

    if(this.options.scroll) {
      this.stopScrolling();

      var p;
      if (this.options.scroll == window) {
        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
      } else {
        p = Position.page(this.options.scroll);
        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
        p[1] += this.options.scroll.scrollTop + Position.deltaY;
        p.push(p[0]+this.options.scroll.offsetWidth);
        p.push(p[1]+this.options.scroll.offsetHeight);
      }
      var speed = [0,0];
      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
      this.startScrolling(speed);
    }

    // fix AppleWebKit rendering
    if(Prototype.Browser.WebKit) window.scrollBy(0,0);

    Event.stop(event);
  },

  finishDrag: function(event, success) {
    this.dragging = false;

    if(this.options.quiet){
      Position.prepare();
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      Droppables.show(pointer, this.element);
    }

    if(this.options.ghosting) {
      if (!this._originallyAbsolute)
        Position.relativize(this.element);
      delete this._originallyAbsolute;
      Element.remove(this._clone);
      this._clone = null;
    }

    var dropped = false;
    if(success) {
      dropped = Droppables.fire(event, this.element);
      if (!dropped) dropped = false;
    }
    if(dropped && this.options.onDropped) this.options.onDropped(this.element);
    Draggables.notify('onEnd', this, event);

    var revert = this.options.revert;
    if(revert && Object.isFunction(revert)) revert = revert(this.element);

    var d = this.currentDelta();
    if(revert && this.options.reverteffect) {
      if (dropped == 0 || revert != 'failure')
        this.options.reverteffect(this.element,
          d[1]-this.delta[1], d[0]-this.delta[0]);
    } else {
      this.delta = d;
    }

    if(this.options.zindex)
      this.element.style.zIndex = this.originalZ;

    if(this.options.endeffect)
      this.options.endeffect(this.element);

    Draggables.deactivate(this);
    Droppables.reset();
  },

  keyPress: function(event) {
    if(event.keyCode!=Event.KEY_ESC) return;
    this.finishDrag(event, false);
    Event.stop(event);
  },

  endDrag: function(event) {
    if(!this.dragging) return;
    this.stopScrolling();
    this.finishDrag(event, true);
    Event.stop(event);
  },

  draw: function(point) {
    var pos = this.element.cumulativeOffset();
    if(this.options.ghosting) {
      var r   = Position.realOffset(this.element);
      pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
    }

    var d = this.currentDelta();
    pos[0] -= d[0]; pos[1] -= d[1];

    if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
    }

    var p = [0,1].map(function(i){
      return (point[i]-pos[i]-this.offset[i])
    }.bind(this));

    if(this.options.snap) {
      if(Object.isFunction(this.options.snap)) {
        p = this.options.snap(p[0],p[1],this);
      } else {
      if(Object.isArray(this.options.snap)) {
        p = p.map( function(v, i) {
          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this));
      } else {
        p = p.map( function(v) {
          return (v/this.options.snap).round()*this.options.snap }.bind(this));
      }
    }}

    var style = this.element.style;
    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
      style.left = p[0] + "px";
    if((!this.options.constraint) || (this.options.constraint=='vertical'))
      style.top  = p[1] + "px";

    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
  },

  stopScrolling: function() {
    if(this.scrollInterval) {
      clearInterval(this.scrollInterval);
      this.scrollInterval = null;
      Draggables._lastScrollPointer = null;
    }
  },

  startScrolling: function(speed) {
    if(!(speed[0] || speed[1])) return;
    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
    this.lastScrolled = new Date();
    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
  },

  scroll: function() {
    var current = new Date();
    var delta = current - this.lastScrolled;
    this.lastScrolled = current;
    if(this.options.scroll == window) {
      with (this._getWindowScroll(this.options.scroll)) {
        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
          var d = delta / 1000;
          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
        }
      }
    } else {
      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
    }

    Position.prepare();
    Droppables.show(Draggables._lastPointer, this.element);
    Draggables.notify('onDrag', this);
    if (this._isScrollChild) {
      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
      if (Draggables._lastScrollPointer[0] < 0)
        Draggables._lastScrollPointer[0] = 0;
      if (Draggables._lastScrollPointer[1] < 0)
        Draggables._lastScrollPointer[1] = 0;
      this.draw(Draggables._lastScrollPointer);
    }

    if(this.options.change) this.options.change(this);
  },

  _getWindowScroll: function(w) {
    var T, L, W, H;
    with (w.document) {
      if (w.document.documentElement && documentElement.scrollTop) {
        T = documentElement.scrollTop;
        L = documentElement.scrollLeft;
      } else if (w.document.body) {
        T = body.scrollTop;
        L = body.scrollLeft;
      }
      if (w.innerWidth) {
        W = w.innerWidth;
        H = w.innerHeight;
      } else if (w.document.documentElement && documentElement.clientWidth) {
        W = documentElement.clientWidth;
        H = documentElement.clientHeight;
      } else {
        W = body.offsetWidth;
        H = body.offsetHeight;
      }
    }
    return { top: T, left: L, width: W, height: H };
  }
});

Draggable._dragging = { };

/*--------------------------------------------------------------------------*/

var SortableObserver = Class.create({
  initialize: function(element, observer) {
    this.element   = $(element);
    this.observer  = observer;
    this.lastValue = Sortable.serialize(this.element);
  },

  onStart: function() {
    this.lastValue = Sortable.serialize(this.element);
  },

  onEnd: function() {
    Sortable.unmark();
    if(this.lastValue != Sortable.serialize(this.element))
      this.observer(this.element)
  }
});

var Sortable = {
  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,

  sortables: { },

  _findRootElement: function(element) {
    while (element.tagName.toUpperCase() != "BODY") {
      if(element.id && Sortable.sortables[element.id]) return element;
      element = element.parentNode;
    }
  },

  options: function(element) {
    element = Sortable._findRootElement($(element));
    if(!element) return;
    return Sortable.sortables[element.id];
  },

  destroy: function(element){
    element = $(element);
    var s = Sortable.sortables[element.id];

    if(s) {
      Draggables.removeObserver(s.element);
      s.droppables.each(function(d){ Droppables.remove(d) });
      s.draggables.invoke('destroy');

      delete Sortable.sortables[s.element.id];
    }
  },

  create: function(element) {
    element = $(element);
    var options = Object.extend({
      element:     element,
      tag:         'li',       // assumes li children, override with tag: 'tagname'
      dropOnEmpty: false,
      tree:        false,
      treeTag:     'ul',
      overlap:     'vertical', // one of 'vertical', 'horizontal'
      constraint:  'vertical', // one of 'vertical', 'horizontal', false
      containment: element,    // also takes array of elements (or id's); or false
      handle:      false,      // or a CSS class
      only:        false,
      delay:       0,
      hoverclass:  null,
      ghosting:    false,
      quiet:       false,
      scroll:      false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      format:      this.SERIALIZE_RULE,

      // these take arrays of elements or ids and can be
      // used for better initialization performance
      elements:    false,
      handles:     false,

      onChange:    Prototype.emptyFunction,
      onUpdate:    Prototype.emptyFunction
    }, arguments[1] || { });

    // clear any old sortable with same element
    this.destroy(element);

    // build options for the draggables
    var options_for_draggable = {
      revert:      true,
      quiet:       options.quiet,
      scroll:      options.scroll,
      scrollSpeed: options.scrollSpeed,
      scrollSensitivity: options.scrollSensitivity,
      delay:       options.delay,
      ghosting:    options.ghosting,
      constraint:  options.constraint,
      handle:      options.handle };

    if(options.starteffect)
      options_for_draggable.starteffect = options.starteffect;

    if(options.reverteffect)
      options_for_draggable.reverteffect = options.reverteffect;
    else
      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
        element.style.top  = 0;
        element.style.left = 0;
      };

    if(options.endeffect)
      options_for_draggable.endeffect = options.endeffect;

    if(options.zindex)
      options_for_draggable.zindex = options.zindex;

    // build options for the droppables
    var options_for_droppable = {
      overlap:     options.overlap,
      containment: options.containment,
      tree:        options.tree,
      hoverclass:  options.hoverclass,
      onHover:     Sortable.onHover
    };

    var options_for_tree = {
      onHover:      Sortable.onEmptyHover,
      overlap:      options.overlap,
      containment:  options.containment,
      hoverclass:   options.hoverclass
    };

    // fix for gecko engine
    Element.cleanWhitespace(element);

    options.draggables = [];
    options.droppables = [];

    // drop on empty handling
    if(options.dropOnEmpty || options.tree) {
      Droppables.add(element, options_for_tree);
      options.droppables.push(element);
    }

    (options.elements || this.findElements(element, options) || []).each( function(e,i) {
      var handle = options.handles ? $(options.handles[i]) :
        (options.handle ? $(e).select('.' + options.handle)[0] : e);
      options.draggables.push(
        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
      Droppables.add(e, options_for_droppable);
      if(options.tree) e.treeNode = element;
      options.droppables.push(e);
    });

    if(options.tree) {
      (Sortable.findTreeElements(element, options) || []).each( function(e) {
        Droppables.add(e, options_for_tree);
        e.treeNode = element;
        options.droppables.push(e);
      });
    }

    // keep reference
    this.sortables[element.identify()] = options;

    // for onupdate
    Draggables.addObserver(new SortableObserver(element, options.onUpdate));

  },

  // return all suitable-for-sortable elements in a guaranteed order
  findElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.tag);
  },

  findTreeElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.treeTag);
  },

  onHover: function(element, dropon, overlap) {
    if(Element.isParent(dropon, element)) return;

    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
      return;
    } else if(overlap>0.5) {
      Sortable.mark(dropon, 'before');
      if(dropon.previousSibling != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, dropon);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    } else {
      Sortable.mark(dropon, 'after');
      var nextElement = dropon.nextSibling || null;
      if(nextElement != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, nextElement);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    }
  },

  onEmptyHover: function(element, dropon, overlap) {
    var oldParentNode = element.parentNode;
    var droponOptions = Sortable.options(dropon);

    if(!Element.isParent(dropon, element)) {
      var index;

      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
      var child = null;

      if(children) {
        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);

        for (index = 0; index < children.length; index += 1) {
          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
            offset -= Element.offsetSize (children[index], droponOptions.overlap);
          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
            child = index + 1 < children.length ? children[index + 1] : null;
            break;
          } else {
            child = children[index];
            break;
          }
        }
      }

      dropon.insertBefore(element, child);

      Sortable.options(oldParentNode).onChange(element);
      droponOptions.onChange(element);
    }
  },

  unmark: function() {
    if(Sortable._marker) Sortable._marker.hide();
  },

  mark: function(dropon, position) {
    // mark on ghosting only
    var sortable = Sortable.options(dropon.parentNode);
    if(sortable && !sortable.ghosting) return;

    if(!Sortable._marker) {
      Sortable._marker =
        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
          hide().addClassName('dropmarker').setStyle({position:'absolute'});
      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
    }
    var offsets = dropon.cumulativeOffset();
    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});

    if(position=='after')
      if(sortable.overlap == 'horizontal')
        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
      else
        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});

    Sortable._marker.show();
  },

  _tree: function(element, options, parent) {
    var children = Sortable.findElements(element, options) || [];

    for (var i = 0; i < children.length; ++i) {
      var match = children[i].id.match(options.format);

      if (!match) continue;

      var child = {
        id: encodeURIComponent(match ? match[1] : null),
        element: element,
        parent: parent,
        children: [],
        position: parent.children.length,
        container: $(children[i]).down(options.treeTag)
      };

      /* Get the element containing the children and recurse over it */
      if (child.container)
        this._tree(child.container, options, child);

      parent.children.push (child);
    }

    return parent;
  },

  tree: function(element) {
    element = $(element);
    var sortableOptions = this.options(element);
    var options = Object.extend({
      tag: sortableOptions.tag,
      treeTag: sortableOptions.treeTag,
      only: sortableOptions.only,
      name: element.id,
      format: sortableOptions.format
    }, arguments[1] || { });

    var root = {
      id: null,
      parent: null,
      children: [],
      container: element,
      position: 0
    };

    return Sortable._tree(element, options, root);
  },

  /* Construct a [i] index for a particular node */
  _constructIndex: function(node) {
    var index = '';
    do {
      if (node.id) index = '[' + node.position + ']' + index;
    } while ((node = node.parent) != null);
    return index;
  },

  sequence: function(element) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[1] || { });

    return $(this.findElements(element, options) || []).map( function(item) {
      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
    });
  },

  setSequence: function(element, new_sequence) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[2] || { });

    var nodeMap = { };
    this.findElements(element, options).each( function(n) {
        if (n.id.match(options.format))
            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
        n.parentNode.removeChild(n);
    });

    new_sequence.each(function(ident) {
      var n = nodeMap[ident];
      if (n) {
        n[1].appendChild(n[0]);
        delete nodeMap[ident];
      }
    });
  },

  serialize: function(element) {
    element = $(element);
    var options = Object.extend(Sortable.options(element), arguments[1] || { });
    var name = encodeURIComponent(
      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);

    if (options.tree) {
      return Sortable.tree(element, arguments[1]).children.map( function (item) {
        return [name + Sortable._constructIndex(item) + "[id]=" +
                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
      }).flatten().join('&');
    } else {
      return Sortable.sequence(element, arguments[1]).map( function(item) {
        return name + "[]=" + encodeURIComponent(item);
      }).join('&');
    }
  }
};

// Returns true if child is contained within element
Element.isParent = function(child, element) {
  if (!child.parentNode || child == element) return false;
  if (child.parentNode == element) return true;
  return Element.isParent(child.parentNode, element);
};

Element.findChildren = function(element, only, recursive, tagName) {
  if(!element.hasChildNodes()) return null;
  tagName = tagName.toUpperCase();
  if(only) only = [only].flatten();
  var elements = [];
  $A(element.childNodes).each( function(e) {
    if(e.tagName && e.tagName.toUpperCase()==tagName &&
      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
        elements.push(e);
    if(recursive) {
      var grandchildren = Element.findChildren(e, only, recursive, tagName);
      if(grandchildren) elements.push(grandchildren);
    }
  });

  return (elements.length>0 ? elements.flatten() : []);
};

Element.offsetSize = function (element, type) {
  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
};

// script.aculo.us controls.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2009 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
//           (c) 2005-2009 Jon Tirsen (http://www.tirsen.com)
// Contributors:
//  Richard Livsey
//  Rahul Bhargava
//  Rob Wills
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// Autocompleter.Base handles all the autocompletion functionality
// that's independent of the data source for autocompletion. This
// includes drawing the autocompletion menu, observing keyboard
// and mouse events, and similar.
//
// Specific autocompleters need to provide, at the very least,
// a getUpdatedChoices function that will be invoked every time
// the text inside the monitored textbox changes. This method
// should get the text for which to provide autocompletion by
// invoking this.getToken(), NOT by directly accessing
// this.element.value. This is to allow incremental tokenized
// autocompletion. Specific auto-completion logic (AJAX, etc)
// belongs in getUpdatedChoices.
//
// Tokenized incremental autocompletion is enabled automatically
// when an autocompleter is instantiated with the 'tokens' option
// in the options parameter, e.g.:
// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' });
// will incrementally autocomplete with a comma as the token.
// Additionally, ',' in the above example can be replaced with
// a token array, e.g. { tokens: [',', '\n'] } which
// enables autocompletion on multiple tokens. This is most
// useful when one of the tokens is \n (a newline), as it
// allows smart autocompletion after linebreaks.

if(typeof Effect == 'undefined')
  throw("controls.js requires including script.aculo.us' effects.js library");

var Autocompleter = { };
Autocompleter.Base = Class.create({
  baseInitialize: function(element, update, options) {
    element          = $(element);
    this.element     = element;
    this.update      = $(update);
    this.hasFocus    = false;
    this.changed     = false;
    this.active      = false;
    this.index       = 0;
    this.entryCount  = 0;
    this.oldElementValue = this.element.value;

    if(this.setOptions)
      this.setOptions(options);
    else
      this.options = options || { };

    this.options.paramName    = this.options.paramName || this.element.name;
    this.options.tokens       = this.options.tokens || [];
    this.options.frequency    = this.options.frequency || 0.4;
    this.options.minChars     = this.options.minChars || 1;
    this.options.onShow       = this.options.onShow ||
      function(element, update){
        if(!update.style.position || update.style.position=='absolute') {
          update.style.position = 'absolute';
          Position.clone(element, update, {
            setHeight: false,
            offsetTop: element.offsetHeight
          });
        }
        Effect.Appear(update,{duration:0.15});
      };
    this.options.onHide = this.options.onHide ||
      function(element, update){ new Effect.Fade(update,{duration:0.15}) };

    if(typeof(this.options.tokens) == 'string')
      this.options.tokens = new Array(this.options.tokens);
    // Force carriage returns as token delimiters anyway
    if (!this.options.tokens.include('\n'))
      this.options.tokens.push('\n');

    this.observer = null;

    this.element.setAttribute('autocomplete','off');

    Element.hide(this.update);

    Event.observe(this.element, 'blur', this.onBlur.bindAsEventListener(this));
    Event.observe(this.element, 'keydown', this.onKeyPress.bindAsEventListener(this));
    
  },

  show: function() {
    if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
    if(!this.iefix &&
      (Prototype.Browser.IE) &&
      (Element.getStyle(this.update, 'position')=='absolute')) {
      new Insertion.After(this.update,
       '<iframe id="' + this.update.id + '_iefix" '+
       'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
       'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
      this.iefix = $(this.update.id+'_iefix');
    }
    if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
  },

  fixIEOverlapping: function() {
    Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
    this.iefix.style.zIndex = 1;
    this.update.style.zIndex = 2;
    Element.show(this.iefix);
  },

  hide: function() {
    this.stopIndicator();
    if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update);
    if(this.iefix) Element.hide(this.iefix);
  },

  startIndicator: function() {
    if(this.options.indicator) Element.show(this.options.indicator);
  },

  stopIndicator: function() {
    if(this.options.indicator) Element.hide(this.options.indicator);
  },

  onKeyPress: function(event) {
    if(this.active)
      switch(event.keyCode) {
       case Event.KEY_TAB:
       case Event.KEY_RETURN:
         this.selectEntry();
         Event.stop(event);
       case Event.KEY_ESC:
         this.hide();
         this.active = false;
         Event.stop(event);
         return;
       case Event.KEY_LEFT:
       case Event.KEY_RIGHT:
         return;
       case Event.KEY_UP:
         this.markPrevious();
         this.render();
         Event.stop(event);
         return;
       case Event.KEY_DOWN:
         this.markNext();
         this.render();
         Event.stop(event);
         return;
      }
     else
       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN ||
         (Prototype.Browser.WebKit > 0 && event.keyCode == 0)) return;

    this.changed = true;
    this.hasFocus = true;

    if(this.observer) clearTimeout(this.observer);
      this.observer =
        setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
  },

  activate: function() {
    this.changed = false;
    this.hasFocus = true;
    this.getUpdatedChoices();
  },

  onHover: function(event) {
    var element = Event.findElement(event, 'LI');
    if(this.index != element.autocompleteIndex)
    {
        this.index = element.autocompleteIndex;
        this.render();
    }
    Event.stop(event);
  },

  onClick: function(event) {
    var element = Event.findElement(event, 'LI');
    this.index = element.autocompleteIndex;
    this.selectEntry();
    this.hide();
  },

  onBlur: function(event) {
    // needed to make click events working
    setTimeout(this.hide.bind(this), 250);
    this.hasFocus = false;
    this.active = false;
  },

  render: function() {
    if(this.entryCount > 0) {
      for (var i = 0; i < this.entryCount; i++)
        this.index==i ?
          Element.addClassName(this.getEntry(i),"selected") :
          Element.removeClassName(this.getEntry(i),"selected");
      if(this.hasFocus) {
        this.show();
        this.active = true;
      }
    } else {
      this.active = false;
      this.hide();
    }
  },

  markPrevious: function() {
    if(this.index > 0) this.index--;
      else this.index = this.entryCount-1;
    this.getEntry(this.index).scrollIntoView(true);
  },

  markNext: function() {
    if(this.index < this.entryCount-1) this.index++;
      else this.index = 0;
    this.getEntry(this.index).scrollIntoView(false);
  },

  getEntry: function(index) {
    return this.update.firstChild.childNodes[index];
  },

  getCurrentEntry: function() {
    return this.getEntry(this.index);
  },

  selectEntry: function() {
    this.active = false;
    this.updateElement(this.getCurrentEntry());
  },

  updateElement: function(selectedElement) {
    if (this.options.updateElement) {
      this.options.updateElement(selectedElement);
      return;
    }
    var value = '';
    if (this.options.select) {
      var nodes = $(selectedElement).select('.' + this.options.select) || [];
      if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
    } else
      value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');

    var bounds = this.getTokenBounds();
    if (bounds[0] != -1) {
      var newValue = this.element.value.substr(0, bounds[0]);
      var whitespace = this.element.value.substr(bounds[0]).match(/^\s+/);
      if (whitespace)
        newValue += whitespace[0];
      this.element.value = newValue + value + this.element.value.substr(bounds[1]);
    } else {
      this.element.value = value;
    }
    this.oldElementValue = this.element.value;
    this.element.focus();

    if (this.options.afterUpdateElement)
      this.options.afterUpdateElement(this.element, selectedElement);
  },

  updateChoices: function(choices) {
    if(!this.changed && this.hasFocus) {
      this.update.innerHTML = choices;
      Element.cleanWhitespace(this.update);
      Element.cleanWhitespace(this.update.down());

      if(this.update.firstChild && this.update.down().childNodes) {
        this.entryCount =
          this.update.down().childNodes.length;
        for (var i = 0; i < this.entryCount; i++) {
          var entry = this.getEntry(i);
          entry.autocompleteIndex = i;
          this.addObservers(entry);
        }
      } else {
        this.entryCount = 0;
      }

      this.stopIndicator();
      this.index = 0;

      if(this.entryCount==1 && this.options.autoSelect) {
        this.selectEntry();
        this.hide();
      } else {
        this.render();
      }
    }
  },

  addObservers: function(element) {
    Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
    Event.observe(element, "click", this.onClick.bindAsEventListener(this));
  },

  onObserverEvent: function() {
    this.changed = false;
    this.tokenBounds = null;
    if(this.getToken().length>=this.options.minChars) {
      this.getUpdatedChoices();
    } else {
      this.active = false;
      this.hide();
    }
    this.oldElementValue = this.element.value;
  },

  getToken: function() {
    var bounds = this.getTokenBounds();
    return this.element.value.substring(bounds[0], bounds[1]).strip();
  },

  getTokenBounds: function() {
    if (null != this.tokenBounds) return this.tokenBounds;
    var value = this.element.value;
    if (value.strip().empty()) return [-1, 0];
    var diff = arguments.callee.getFirstDifferencePos(value, this.oldElementValue);
    var offset = (diff == this.oldElementValue.length ? 1 : 0);
    var prevTokenPos = -1, nextTokenPos = value.length;
    var tp;
    for (var index = 0, l = this.options.tokens.length; index < l; ++index) {
      tp = value.lastIndexOf(this.options.tokens[index], diff + offset - 1);
      if (tp > prevTokenPos) prevTokenPos = tp;
      tp = value.indexOf(this.options.tokens[index], diff + offset);
      if (-1 != tp && tp < nextTokenPos) nextTokenPos = tp;
    }
    return (this.tokenBounds = [prevTokenPos + 1, nextTokenPos]);
  }
});

Autocompleter.Base.prototype.getTokenBounds.getFirstDifferencePos = function(newS, oldS) {
  var boundary = Math.min(newS.length, oldS.length);
  for (var index = 0; index < boundary; ++index)
    if (newS[index] != oldS[index])
      return index;
  return boundary;
};

Ajax.Autocompleter = Class.create(Autocompleter.Base, {
  initialize: function(element, update, url, options) {
    this.baseInitialize(element, update, options);
    this.options.asynchronous  = true;
    this.options.onComplete    = this.onComplete.bind(this);
    this.options.defaultParams = this.options.parameters || null;
    this.url                   = url;
  },

  getUpdatedChoices: function() {
    this.startIndicator();

    var entry = encodeURIComponent(this.options.paramName) + '=' +
      encodeURIComponent(this.getToken());

    this.options.parameters = this.options.callback ?
      this.options.callback(this.element, entry) : entry;

    if(this.options.defaultParams)
      this.options.parameters += '&' + this.options.defaultParams;

    new Ajax.Request(this.url, this.options);
  },

  onComplete: function(request) {
    this.updateChoices(request.responseText);
  }
});

// The local array autocompleter. Used when you'd prefer to
// inject an array of autocompletion options into the page, rather
// than sending out Ajax queries, which can be quite slow sometimes.
//
// The constructor takes four parameters. The first two are, as usual,
// the id of the monitored textbox, and id of the autocompletion menu.
// The third is the array you want to autocomplete from, and the fourth
// is the options block.
//
// Extra local autocompletion options:
// - choices - How many autocompletion choices to offer
//
// - partialSearch - If false, the autocompleter will match entered
//                    text only at the beginning of strings in the
//                    autocomplete array. Defaults to true, which will
//                    match text at the beginning of any *word* in the
//                    strings in the autocomplete array. If you want to
//                    search anywhere in the string, additionally set
//                    the option fullSearch to true (default: off).
//
// - fullSsearch - Search anywhere in autocomplete array strings.
//
// - partialChars - How many characters to enter before triggering
//                   a partial match (unlike minChars, which defines
//                   how many characters are required to do any match
//                   at all). Defaults to 2.
//
// - ignoreCase - Whether to ignore case when autocompleting.
//                 Defaults to true.
//
// It's possible to pass in a custom function as the 'selector'
// option, if you prefer to write your own autocompletion logic.
// In that case, the other options above will not apply unless
// you support them.

Autocompleter.Local = Class.create(Autocompleter.Base, {
  initialize: function(element, update, array, options) {
    this.baseInitialize(element, update, options);
    this.options.array = array;
  },

  getUpdatedChoices: function() {
    this.updateChoices(this.options.selector(this));
  },

  setOptions: function(options) {
    this.options = Object.extend({
      choices: 10,
      partialSearch: true,
      partialChars: 2,
      ignoreCase: true,
      fullSearch: false,
      selector: function(instance) {
        var ret       = []; // Beginning matches
        var partial   = []; // Inside matches
        var entry     = instance.getToken();
        var count     = 0;

        for (var i = 0; i < instance.options.array.length &&
          ret.length < instance.options.choices ; i++) {

          var elem = instance.options.array[i];
          var foundPos = instance.options.ignoreCase ?
            elem.toLowerCase().indexOf(entry.toLowerCase()) :
            elem.indexOf(entry);

          while (foundPos != -1) {
            if (foundPos == 0 && elem.length != entry.length) {
              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" +
                elem.substr(entry.length) + "</li>");
              break;
            } else if (entry.length >= instance.options.partialChars &&
              instance.options.partialSearch && foundPos != -1) {
              if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
                partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
                  elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
                  foundPos + entry.length) + "</li>");
                break;
              }
            }

            foundPos = instance.options.ignoreCase ?
              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) :
              elem.indexOf(entry, foundPos + 1);

          }
        }
        if (partial.length)
          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length));
        return "<ul>" + ret.join('') + "</ul>";
      }
    }, options || { });
  }
});

// AJAX in-place editor and collection editor
// Full rewrite by Christophe Porteneuve <tdd@tddsworld.com> (April 2007).

// Use this if you notice weird scrolling problems on some browsers,
// the DOM might be a bit confused when this gets called so do this
// waits 1 ms (with setTimeout) until it does the activation
Field.scrollFreeActivate = function(field) {
  setTimeout(function() {
    Field.activate(field);
  }, 1);
};

Ajax.InPlaceEditor = Class.create({
  initialize: function(element, url, options) {
    this.url = url;
    this.element = element = $(element);
    this.prepareOptions();
    this._controls = { };
    arguments.callee.dealWithDeprecatedOptions(options); // DEPRECATION LAYER!!!
    Object.extend(this.options, options || { });
    if (!this.options.formId && this.element.id) {
      this.options.formId = this.element.id + '-inplaceeditor';
      if ($(this.options.formId))
        this.options.formId = '';
    }
    if (this.options.externalControl)
      this.options.externalControl = $(this.options.externalControl);
    if (!this.options.externalControl)
      this.options.externalControlOnly = false;
    this._originalBackground = this.element.getStyle('background-color') || 'transparent';
    this.element.title = this.options.clickToEditText;
    this._boundCancelHandler = this.handleFormCancellation.bind(this);
    this._boundComplete = (this.options.onComplete || Prototype.emptyFunction).bind(this);
    this._boundFailureHandler = this.handleAJAXFailure.bind(this);
    this._boundSubmitHandler = this.handleFormSubmission.bind(this);
    this._boundWrapperHandler = this.wrapUp.bind(this);
    this.registerListeners();
  },
  checkForEscapeOrReturn: function(e) {
    if (!this._editing || e.ctrlKey || e.altKey || e.shiftKey) return;
    if (Event.KEY_ESC == e.keyCode)
      this.handleFormCancellation(e);
    else if (Event.KEY_RETURN == e.keyCode)
      this.handleFormSubmission(e);
  },
  createControl: function(mode, handler, extraClasses) {
    var control = this.options[mode + 'Control'];
    var text = this.options[mode + 'Text'];
    if ('button' == control) {
      var btn = document.createElement('input');
      btn.type = 'submit';
      btn.value = text;
      btn.className = 'editor_' + mode + '_button';
      if ('cancel' == mode)
        btn.onclick = this._boundCancelHandler;
      this._form.appendChild(btn);
      this._controls[mode] = btn;
    } else if ('link' == control) {
      var link = document.createElement('a');
      link.href = '#';
      link.appendChild(document.createTextNode(text));
      link.onclick = 'cancel' == mode ? this._boundCancelHandler : this._boundSubmitHandler;
      link.className = 'editor_' + mode + '_link';
      if (extraClasses)
        link.className += ' ' + extraClasses;
      this._form.appendChild(link);
      this._controls[mode] = link;
    }
  },
  createEditField: function() {
    var text = (this.options.loadTextURL ? this.options.loadingText : this.getText());
    var fld;
    if (1 >= this.options.rows && !/\r|\n/.test(this.getText())) {
      fld = document.createElement('input');
      fld.type = 'text';
      var size = this.options.size || this.options.cols || 0;
      if (0 < size) fld.size = size;
    } else {
      fld = document.createElement('textarea');
      fld.rows = (1 >= this.options.rows ? this.options.autoRows : this.options.rows);
      fld.cols = this.options.cols || 40;
    }
    fld.name = this.options.paramName;
    fld.value = text; // No HTML breaks conversion anymore
    fld.className = 'editor_field';
    if (this.options.submitOnBlur)
      fld.onblur = this._boundSubmitHandler;
    this._controls.editor = fld;
    if (this.options.loadTextURL)
      this.loadExternalText();
    this._form.appendChild(this._controls.editor);
  },
  createForm: function() {
    var ipe = this;
    function addText(mode, condition) {
      var text = ipe.options['text' + mode + 'Controls'];
      if (!text || condition === false) return;
      ipe._form.appendChild(document.createTextNode(text));
    };
    this._form = $(document.createElement('form'));
    this._form.id = this.options.formId;
    this._form.addClassName(this.options.formClassName);
    this._form.onsubmit = this._boundSubmitHandler;
    this.createEditField();
    if ('textarea' == this._controls.editor.tagName.toLowerCase())
      this._form.appendChild(document.createElement('br'));
    if (this.options.onFormCustomization)
      this.options.onFormCustomization(this, this._form);
    addText('Before', this.options.okControl || this.options.cancelControl);
    this.createControl('ok', this._boundSubmitHandler);
    addText('Between', this.options.okControl && this.options.cancelControl);
    this.createControl('cancel', this._boundCancelHandler, 'editor_cancel');
    addText('After', this.options.okControl || this.options.cancelControl);
  },
  destroy: function() {
    if (this._oldInnerHTML)
      this.element.innerHTML = this._oldInnerHTML;
    this.leaveEditMode();
    this.unregisterListeners();
  },
  enterEditMode: function(e) {
    if (this._saving || this._editing) return;
    this._editing = true;
    this.triggerCallback('onEnterEditMode');
    if (this.options.externalControl)
      this.options.externalControl.hide();
    this.element.hide();
    this.createForm();
    this.element.parentNode.insertBefore(this._form, this.element);
    if (!this.options.loadTextURL)
      this.postProcessEditField();
    if (e) Event.stop(e);
  },
  enterHover: function(e) {
    if (this.options.hoverClassName)
      this.element.addClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onEnterHover');
  },
  getText: function() {
    return this.element.innerHTML.unescapeHTML();
  },
  handleAJAXFailure: function(transport) {
    this.triggerCallback('onFailure', transport);
    if (this._oldInnerHTML) {
      this.element.innerHTML = this._oldInnerHTML;
      this._oldInnerHTML = null;
    }
  },
  handleFormCancellation: function(e) {
    this.wrapUp();
    if (e) Event.stop(e);
  },
  handleFormSubmission: function(e) {
    var form = this._form;
    var value = $F(this._controls.editor);
    this.prepareSubmission();
    var params = this.options.callback(form, value) || '';
    if (Object.isString(params))
      params = params.toQueryParams();
    params.editorId = this.element.id;
    if (this.options.htmlResponse) {
      var options = Object.extend({ evalScripts: true }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Updater({ success: this.element }, this.url, options);
    } else {
      var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Request(this.url, options);
    }
    if (e) Event.stop(e);
  },
  leaveEditMode: function() {
    this.element.removeClassName(this.options.savingClassName);
    this.removeForm();
    this.leaveHover();
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
    if (this.options.externalControl)
      this.options.externalControl.show();
    this._saving = false;
    this._editing = false;
    this._oldInnerHTML = null;
    this.triggerCallback('onLeaveEditMode');
  },
  leaveHover: function(e) {
    if (this.options.hoverClassName)
      this.element.removeClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onLeaveHover');
  },
  loadExternalText: function() {
    this._form.addClassName(this.options.loadingClassName);
    this._controls.editor.disabled = true;
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._form.removeClassName(this.options.loadingClassName);
        var text = transport.responseText;
        if (this.options.stripLoadedTextTags)
          text = text.stripTags();
        this._controls.editor.value = text;
        this._controls.editor.disabled = false;
        this.postProcessEditField();
      }.bind(this),
      onFailure: this._boundFailureHandler
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },
  postProcessEditField: function() {
    var fpc = this.options.fieldPostCreation;
    if (fpc)
      $(this._controls.editor)['focus' == fpc ? 'focus' : 'activate']();
  },
  prepareOptions: function() {
    this.options = Object.clone(Ajax.InPlaceEditor.DefaultOptions);
    Object.extend(this.options, Ajax.InPlaceEditor.DefaultCallbacks);
    [this._extraDefaultOptions].flatten().compact().each(function(defs) {
      Object.extend(this.options, defs);
    }.bind(this));
  },
  prepareSubmission: function() {
    this._saving = true;
    this.removeForm();
    this.leaveHover();
    this.showSaving();
  },
  registerListeners: function() {
    this._listeners = { };
    var listener;
    $H(Ajax.InPlaceEditor.Listeners).each(function(pair) {
      listener = this[pair.value].bind(this);
      this._listeners[pair.key] = listener;
      if (!this.options.externalControlOnly)
        this.element.observe(pair.key, listener);
      if (this.options.externalControl)
        this.options.externalControl.observe(pair.key, listener);
    }.bind(this));
  },
  removeForm: function() {
    if (!this._form) return;
    this._form.remove();
    this._form = null;
    this._controls = { };
  },
  showSaving: function() {
    this._oldInnerHTML = this.element.innerHTML;
    this.element.innerHTML = this.options.savingText;
    this.element.addClassName(this.options.savingClassName);
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
  },
  triggerCallback: function(cbName, arg) {
    if ('function' == typeof this.options[cbName]) {
      this.options[cbName](this, arg);
    }
  },
  unregisterListeners: function() {
    $H(this._listeners).each(function(pair) {
      if (!this.options.externalControlOnly)
        this.element.stopObserving(pair.key, pair.value);
      if (this.options.externalControl)
        this.options.externalControl.stopObserving(pair.key, pair.value);
    }.bind(this));
  },
  wrapUp: function(transport) {
    this.leaveEditMode();
    // Can't use triggerCallback due to backward compatibility: requires
    // binding + direct element
    this._boundComplete(transport, this.element);
  }
});

Object.extend(Ajax.InPlaceEditor.prototype, {
  dispose: Ajax.InPlaceEditor.prototype.destroy
});

Ajax.InPlaceCollectionEditor = Class.create(Ajax.InPlaceEditor, {
  initialize: function($super, element, url, options) {
    this._extraDefaultOptions = Ajax.InPlaceCollectionEditor.DefaultOptions;
    $super(element, url, options);
  },

  createEditField: function() {
    var list = document.createElement('select');
    list.name = this.options.paramName;
    list.size = 1;
    this._controls.editor = list;
    this._collection = this.options.collection || [];
    if (this.options.loadCollectionURL)
      this.loadCollection();
    else
      this.checkForExternalText();
    this._form.appendChild(this._controls.editor);
  },

  loadCollection: function() {
    this._form.addClassName(this.options.loadingClassName);
    this.showLoadingText(this.options.loadingCollectionText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        var js = transport.responseText.strip();
        if (!/^\[.*\]$/.test(js)) // TODO: improve sanity check
          throw('Server returned an invalid collection representation.');
        this._collection = eval(js);
        this.checkForExternalText();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadCollectionURL, options);
  },

  showLoadingText: function(text) {
    this._controls.editor.disabled = true;
    var tempOption = this._controls.editor.firstChild;
    if (!tempOption) {
      tempOption = document.createElement('option');
      tempOption.value = '';
      this._controls.editor.appendChild(tempOption);
      tempOption.selected = true;
    }
    tempOption.update((text || '').stripScripts().stripTags());
  },

  checkForExternalText: function() {
    this._text = this.getText();
    if (this.options.loadTextURL)
      this.loadExternalText();
    else
      this.buildOptionList();
  },

  loadExternalText: function() {
    this.showLoadingText(this.options.loadingText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._text = transport.responseText.strip();
        this.buildOptionList();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },

  buildOptionList: function() {
    this._form.removeClassName(this.options.loadingClassName);
    this._collection = this._collection.map(function(entry) {
      return 2 === entry.length ? entry : [entry, entry].flatten();
    });
    var marker = ('value' in this.options) ? this.options.value : this._text;
    var textFound = this._collection.any(function(entry) {
      return entry[0] == marker;
    }.bind(this));
    this._controls.editor.update('');
    var option;
    this._collection.each(function(entry, index) {
      option = document.createElement('option');
      option.value = entry[0];
      option.selected = textFound ? entry[0] == marker : 0 == index;
      option.appendChild(document.createTextNode(entry[1]));
      this._controls.editor.appendChild(option);
    }.bind(this));
    this._controls.editor.disabled = false;
    Field.scrollFreeActivate(this._controls.editor);
  }
});

//**** DEPRECATION LAYER FOR InPlace[Collection]Editor! ****
//**** This only  exists for a while,  in order to  let ****
//**** users adapt to  the new API.  Read up on the new ****
//**** API and convert your code to it ASAP!            ****

Ajax.InPlaceEditor.prototype.initialize.dealWithDeprecatedOptions = function(options) {
  if (!options) return;
  function fallback(name, expr) {
    if (name in options || expr === undefined) return;
    options[name] = expr;
  };
  fallback('cancelControl', (options.cancelLink ? 'link' : (options.cancelButton ? 'button' :
    options.cancelLink == options.cancelButton == false ? false : undefined)));
  fallback('okControl', (options.okLink ? 'link' : (options.okButton ? 'button' :
    options.okLink == options.okButton == false ? false : undefined)));
  fallback('highlightColor', options.highlightcolor);
  fallback('highlightEndColor', options.highlightendcolor);
};

Object.extend(Ajax.InPlaceEditor, {
  DefaultOptions: {
    ajaxOptions: { },
    autoRows: 3,                                // Use when multi-line w/ rows == 1
    cancelControl: 'link',                      // 'link'|'button'|false
    cancelText: 'cancel',
    clickToEditText: 'Click to edit',
    externalControl: null,                      // id|elt
    externalControlOnly: false,
    fieldPostCreation: 'activate',              // 'activate'|'focus'|false
    formClassName: 'inplaceeditor-form',
    formId: null,                               // id|elt
    highlightColor: '#ffff99',
    highlightEndColor: '#ffffff',
    hoverClassName: '',
    htmlResponse: true,
    loadingClassName: 'inplaceeditor-loading',
    loadingText: 'Loading...',
    okControl: 'button',                        // 'link'|'button'|false
    okText: 'ok',
    paramName: 'value',
    rows: 1,                                    // If 1 and multi-line, uses autoRows
    savingClassName: 'inplaceeditor-saving',
    savingText: 'Saving...',
    size: 0,
    stripLoadedTextTags: false,
    submitOnBlur: false,
    textAfterControls: '',
    textBeforeControls: '',
    textBetweenControls: ''
  },
  DefaultCallbacks: {
    callback: function(form) {
      return Form.serialize(form);
    },
    onComplete: function(transport, element) {
      // For backward compatibility, this one is bound to the IPE, and passes
      // the element directly.  It was too often customized, so we don't break it.
      new Effect.Highlight(element, {
        startcolor: this.options.highlightColor, keepBackgroundImage: true });
    },
    onEnterEditMode: null,
    onEnterHover: function(ipe) {
      ipe.element.style.backgroundColor = ipe.options.highlightColor;
      if (ipe._effect)
        ipe._effect.cancel();
    },
    onFailure: function(transport, ipe) {
      alert('Error communication with the server: ' + transport.responseText.stripTags());
    },
    onFormCustomization: null, // Takes the IPE and its generated form, after editor, before controls.
    onLeaveEditMode: null,
    onLeaveHover: function(ipe) {
      ipe._effect = new Effect.Highlight(ipe.element, {
        startcolor: ipe.options.highlightColor, endcolor: ipe.options.highlightEndColor,
        restorecolor: ipe._originalBackground, keepBackgroundImage: true
      });
    }
  },
  Listeners: {
    click: 'enterEditMode',
    keydown: 'checkForEscapeOrReturn',
    mouseover: 'enterHover',
    mouseout: 'leaveHover'
  }
});

Ajax.InPlaceCollectionEditor.DefaultOptions = {
  loadingCollectionText: 'Loading options...'
};

// Delayed observer, like Form.Element.Observer,
// but waits for delay after last key input
// Ideal for live-search fields

Form.Element.DelayedObserver = Class.create({
  initialize: function(element, delay, callback) {
    this.delay     = delay || 0.5;
    this.element   = $(element);
    this.callback  = callback;
    this.timer     = null;
    this.lastValue = $F(this.element);
    Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
  },
  delayedListener: function(event) {
    if(this.lastValue == $F(this.element)) return;
    if(this.timer) clearTimeout(this.timer);
    this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
    this.lastValue = $F(this.element);
  },
  onTimerEvent: function() {
    this.timer = null;
    this.callback(this.element, $F(this.element));
  }
});


// script.aculo.us slider.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Marty Haught, Thomas Fuchs
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

if (!Control) var Control = { };

// options:
//  axis: 'vertical', or 'horizontal' (default)
//
// callbacks:
//  onChange(value)
//  onSlide(value)
Control.Slider = Class.create({
  initialize: function(handle, track, options) {
    var slider = this;

    if (Object.isArray(handle)) {
      this.handles = handle.collect( function(e) { return $(e) });
    } else {
      this.handles = [$(handle)];
    }

    this.track   = $(track);
    this.options = options || { };

    this.axis      = this.options.axis || 'horizontal';
    this.increment = this.options.increment || 1;
    this.step      = parseInt(this.options.step || '1');
    this.range     = this.options.range || $R(0,1);

    this.value     = 0; // assure backwards compat
    this.values    = this.handles.map( function() { return 0 });
    this.spans     = this.options.spans ? this.options.spans.map(function(s){ return $(s) }) : false;
    this.options.startSpan = $(this.options.startSpan || null);
    this.options.endSpan   = $(this.options.endSpan || null);

    this.restricted = this.options.restricted || false;

    this.maximum   = this.options.maximum || this.range.end;
    this.minimum   = this.options.minimum || this.range.start;

    // Will be used to align the handle onto the track, if necessary
    this.alignX = parseInt(this.options.alignX || '0');
    this.alignY = parseInt(this.options.alignY || '0');

    this.trackLength = this.maximumOffset() - this.minimumOffset();

    this.handleLength = this.isVertical() ?
      (this.handles[0].offsetHeight != 0 ?
        this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/,"")) :
      (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth :
        this.handles[0].style.width.replace(/px$/,""));

    this.active   = false;
    this.dragging = false;
    this.disabled = false;

    if (this.options.disabled) this.setDisabled();

    // Allowed values array
    this.allowedValues = this.options.values ? this.options.values.sortBy(Prototype.K) : false;
    if (this.allowedValues) {
      this.minimum = this.allowedValues.min();
      this.maximum = this.allowedValues.max();
    }

    this.eventMouseDown = this.startDrag.bindAsEventListener(this);
    this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
    this.eventMouseMove = this.update.bindAsEventListener(this);

    // Initialize handles in reverse (make sure first handle is active)
    this.handles.each( function(h,i) {
      i = slider.handles.length-1-i;
      slider.setValue(parseFloat(
        (Object.isArray(slider.options.sliderValue) ?
          slider.options.sliderValue[i] : slider.options.sliderValue) ||
         slider.range.start), i);
      h.makePositioned().observe("mousedown", slider.eventMouseDown);
    });

    this.track.observe("mousedown", this.eventMouseDown);
    document.observe("mouseup", this.eventMouseUp);
    document.observe("mousemove", this.eventMouseMove);

    this.initialized = true;
  },
  dispose: function() {
    var slider = this;
    Event.stopObserving(this.track, "mousedown", this.eventMouseDown);
    Event.stopObserving(document, "mouseup", this.eventMouseUp);
    Event.stopObserving(document, "mousemove", this.eventMouseMove);
    this.handles.each( function(h) {
      Event.stopObserving(h, "mousedown", slider.eventMouseDown);
    });
  },
  setDisabled: function(){
    this.disabled = true;
  },
  setEnabled: function(){
    this.disabled = false;
  },
  getNearestValue: function(value){
    if (this.allowedValues){
      if (value >= this.allowedValues.max()) return(this.allowedValues.max());
      if (value <= this.allowedValues.min()) return(this.allowedValues.min());

      var offset = Math.abs(this.allowedValues[0] - value);
      var newValue = this.allowedValues[0];
      this.allowedValues.each( function(v) {
        var currentOffset = Math.abs(v - value);
        if (currentOffset <= offset){
          newValue = v;
          offset = currentOffset;
        }
      });
      return newValue;
    }
    if (value > this.range.end) return this.range.end;
    if (value < this.range.start) return this.range.start;
    return value;
  },
  setValue: function(sliderValue, handleIdx){
    if (!this.active) {
      this.activeHandleIdx = handleIdx || 0;
      this.activeHandle    = this.handles[this.activeHandleIdx];
      this.updateStyles();
    }
    handleIdx = handleIdx || this.activeHandleIdx || 0;
    if (this.initialized && this.restricted) {
      if ((handleIdx>0) && (sliderValue<this.values[handleIdx-1]))
        sliderValue = this.values[handleIdx-1];
      if ((handleIdx < (this.handles.length-1)) && (sliderValue>this.values[handleIdx+1]))
        sliderValue = this.values[handleIdx+1];
    }
    sliderValue = this.getNearestValue(sliderValue);
    this.values[handleIdx] = sliderValue;
    this.value = this.values[0]; // assure backwards compat

    this.handles[handleIdx].style[this.isVertical() ? 'top' : 'left'] =
      this.translateToPx(sliderValue);

    this.drawSpans();
    if (!this.dragging || !this.event) this.updateFinished();
  },
  setValueBy: function(delta, handleIdx) {
    this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta,
      handleIdx || this.activeHandleIdx || 0);
  },
  translateToPx: function(value) {
    return Math.round(
      ((this.trackLength-this.handleLength)/(this.range.end-this.range.start)) *
      (value - this.range.start)) + "px";
  },
  translateToValue: function(offset) {
    return ((offset/(this.trackLength-this.handleLength) *
      (this.range.end-this.range.start)) + this.range.start);
  },
  getRange: function(range) {
    var v = this.values.sortBy(Prototype.K);
    range = range || 0;
    return $R(v[range],v[range+1]);
  },
  minimumOffset: function(){
    return(this.isVertical() ? this.alignY : this.alignX);
  },
  maximumOffset: function(){
    return(this.isVertical() ?
      (this.track.offsetHeight != 0 ? this.track.offsetHeight :
        this.track.style.height.replace(/px$/,"")) - this.alignY :
      (this.track.offsetWidth != 0 ? this.track.offsetWidth :
        this.track.style.width.replace(/px$/,"")) - this.alignX);
  },
  isVertical:  function(){
    return (this.axis == 'vertical');
  },
  drawSpans: function() {
    var slider = this;
    if (this.spans)
      $R(0, this.spans.length-1).each(function(r) { slider.setSpan(slider.spans[r], slider.getRange(r)) });
    if (this.options.startSpan)
      this.setSpan(this.options.startSpan,
        $R(0, this.values.length>1 ? this.getRange(0).min() : this.value ));
    if (this.options.endSpan)
      this.setSpan(this.options.endSpan,
        $R(this.values.length>1 ? this.getRange(this.spans.length-1).max() : this.value, this.maximum));
  },
  setSpan: function(span, range) {
    if (this.isVertical()) {
      span.style.top = this.translateToPx(range.start);
      span.style.height = this.translateToPx(range.end - range.start + this.range.start);
    } else {
      span.style.left = this.translateToPx(range.start);
      span.style.width = this.translateToPx(range.end - range.start + this.range.start);
    }
  },
  updateStyles: function() {
    this.handles.each( function(h){ Element.removeClassName(h, 'selected') });
    Element.addClassName(this.activeHandle, 'selected');
  },
  startDrag: function(event) {
    if (Event.isLeftClick(event)) {
      if (!this.disabled){
        this.active = true;

        var handle = Event.element(event);
        var pointer  = [Event.pointerX(event), Event.pointerY(event)];
        var track = handle;
        if (track==this.track) {
          var offsets  = this.track.cumulativeOffset();
          this.event = event;
          this.setValue(this.translateToValue(
           (this.isVertical() ? pointer[1]-offsets[1] : pointer[0]-offsets[0])-(this.handleLength/2)
          ));
          var offsets  = this.activeHandle.cumulativeOffset();
          this.offsetX = (pointer[0] - offsets[0]);
          this.offsetY = (pointer[1] - offsets[1]);
        } else {
          // find the handle (prevents issues with Safari)
          while((this.handles.indexOf(handle) == -1) && handle.parentNode)
            handle = handle.parentNode;

          if (this.handles.indexOf(handle)!=-1) {
            this.activeHandle    = handle;
            this.activeHandleIdx = this.handles.indexOf(this.activeHandle);
            this.updateStyles();

            var offsets  = this.activeHandle.cumulativeOffset();
            this.offsetX = (pointer[0] - offsets[0]);
            this.offsetY = (pointer[1] - offsets[1]);
          }
        }
      }
      Event.stop(event);
    }
  },
  update: function(event) {
   if (this.active) {
      if (!this.dragging) this.dragging = true;
      this.draw(event);
      if (Prototype.Browser.WebKit) window.scrollBy(0,0);
      Event.stop(event);
   }
  },
  draw: function(event) {
    var pointer = [Event.pointerX(event), Event.pointerY(event)];
    var offsets = this.track.cumulativeOffset();
    pointer[0] -= this.offsetX + offsets[0];
    pointer[1] -= this.offsetY + offsets[1];
    this.event = event;
    this.setValue(this.translateToValue( this.isVertical() ? pointer[1] : pointer[0] ));
    if (this.initialized && this.options.onSlide)
      this.options.onSlide(this.values.length>1 ? this.values : this.value, this);
  },
  endDrag: function(event) {
    if (this.active && this.dragging) {
      this.finishDrag(event, true);
      Event.stop(event);
    }
    this.active = false;
    this.dragging = false;
  },
  finishDrag: function(event, success) {
    this.active = false;
    this.dragging = false;
    this.updateFinished();
  },
  updateFinished: function() {
    if (this.initialized && this.options.onChange)
      this.options.onChange(this.values.length>1 ? this.values : this.value, this);
    this.event = null;
  }
});

/**
 * Image Cropper (v. 1.2.0 - 2006-10-30 )
 * Copyright (c) 2006 David Spurr (http://www.defusion.org.uk/)
 * 
 * The image cropper provides a way to draw a crop area on an image and capture
 * the coordinates of the drawn crop area.
 * 
 * Features include:
 * 		- Based on Prototype and Scriptaculous
 * 		- Image editing package styling, the crop area functions and looks 
 * 		  like those found in popular image editing software
 * 		- Dynamic inclusion of required styles
 * 		- Drag to draw areas
 * 		- Shift drag to draw/resize areas as squares
 * 		- Selection area can be moved 
 * 		- Seleciton area can be resized using resize handles
 * 		- Allows dimension ratio limited crop areas
 * 		- Allows minimum dimension crop areas
 * 		- Allows maximum dimesion crop areas
 * 		- If both min & max dimension options set to the same value for a single axis,then the cropper will not 
 * 		  display the resize handles as appropriate (when min & max dimensions are passed for both axes this
 * 		  results in a 'fixed size' crop area)
 * 		- Allows dynamic preview of resultant crop ( if minimum width & height are provided ), this is
 * 		  implemented as a subclass so can be excluded when not required
 * 		- Movement of selection area by arrow keys ( shift + arrow key will move selection area by
 * 		  10 pixels )
 *		- All operations stay within bounds of image
 * 		- All functionality & display compatible with most popular browsers supported by Prototype:
 * 			PC:	IE 7, 6 & 5.5, Firefox 1.5, Opera 8.5 (see known issues) & 9.0b
 * 			MAC: Camino 1.0, Firefox 1.5, Safari 2.0
 * 
 * Requires:
 * 		- Prototype v. 1.5.0_rc0 > (as packaged with Scriptaculous 1.6.1)
 * 		- Scriptaculous v. 1.6.1 > modules: builder, dragdrop 
 * 		
 * Known issues:
 * 		- Safari animated gifs, only one of each will animate, this seems to be a known Safari issue
 * 
 * 		- After drawing an area and then clicking to start a new drag in IE 5.5 the rendered height 
 *        appears as the last height until the user drags, this appears to be the related to the error 
 *        that the forceReRender() method fixes for IE 6, i.e. IE 5.5 is not redrawing the box properly.
 * 
 * 		- Lack of CSS opacity support in Opera before version 9 mean we disable those style rules, these 
 * 		  could be fixed by using PNGs with transparency if Opera 8.5 support is high priority for you
 * 
 * 		- Marching ants keep reloading in IE <6 (not tested in IE7), it is a known issue in IE and I have 
 *        found no viable workarounds that can be included in the release. If this really is an issue for you
 *        either try this post: http://mir.aculo.us/articles/2005/08/28/internet-explorer-and-ajax-image-caching-woes
 *        or uncomment the 'FIX MARCHING ANTS IN IE' rules in the CSS file
 *		
 *		- Styling & borders on image, any CSS styling applied directly to the image itself (floats, borders, padding, margin, etc.) will 
 *		  cause problems with the cropper. The use of a wrapper element to apply these styles to is recommended.
 * 
 * 		- overflow: auto or overflow: scroll on parent will cause cropper to burst out of parent in IE and Opera (maybe Mac browsers too)
 *		  I'm not sure why yet.
 * 
 * Usage:
 * 		See Cropper.Img & Cropper.ImgWithPreview for usage details
 * 
 * Changelog:
 * v1.2.0 - 2006-10-30
 * 		+ Added id to the preview image element using 'imgCrop_[originalImageID]'
 *      * #00001 - Fixed bug: Doesn't account for scroll offsets
 *      * #00009 - Fixed bug: Placing the cropper inside differently positioned elements causes incorrect co-ordinates and display
 *      * #00013 - Fixed bug: I-bar cursor appears on drag plane
 *      * #00014 - Fixed bug: If ID for image tag is not found in document script throws error
 *      * Fixed bug with drag start co-ordinates if wrapper element has moved in browser (e.g. dragged to a new position)
 *      * Fixed bug with drag start co-ordinates if image contained in a wrapper with scrolling - this may be buggy if image 
 * 		  has other ancestors with scrolling applied (except the body)
 *      * #00015 - Fixed bug: When cropper removed and then reapplied onEndCrop callback gets called multiple times, solution suggestion from Bill Smith
 *      * Various speed increases & code cleanup which meant improved performance in Mac - which allowed removal of different overlay methods for
 *        IE and all other browsers, which led to a fix for:
 * 		* #00010 - Fixed bug: Select area doesn't adhere to image size when image resized using img attributes
 *      - #00006 - Removed default behaviour of automatically setting a ratio when both min width & height passed, the ratioDimensions must be passed in
 * 		+ #00005 - Added ability to set maximum crop dimensions, if both min & max set as the same value then we'll get a fixed cropper size on the axes as appropriate
 *        and the resize handles will not be displayed as appropriate
 * 		* Switched keydown for keypress for moving select area with cursor keys (makes for nicer action) - doesn't appear to work in Safari
 * 
 * v1.1.3 - 2006-08-21
 * 		* Fixed wrong cursor on western handle in CSS
 * 		+ #00008 & #00003 - Added feature: Allow to set dimensions & position for cropper on load
 *      * #00002 - Fixed bug: Pressing 'remove cropper' twice removes image in IE
 * 
 * v1.1.2 - 2006-06-09
 * 		* Fixed bugs with ratios when GCD is low (patch submitted by Andy Skelton)
 * 
 * v1.1.1 - 2006-06-03
 * 		* Fixed bug with rendering issues fix in IE 5.5
 * 		* Fixed bug with endCrop callback issues once cropper had been removed & reset in IE
 * 
 * v1.1.0 - 2006-06-02
 * 		* Fixed bug with IE constantly trying to reload select area background image
 * 		* Applied more robust fix to Safari & IE rendering issues
 * 		+ Added method to reset parameters - useful for when dynamically changing img cropper attached to
 * 		+ Added method to remove cropper from image
 * 
 * v1.0.0 - 2006-05-18 
 * 		+ Initial verison
 * 
 * 
 * Copyright (c) 2006, David Spurr (http://www.defusion.org.uk/)
 * All rights reserved.
 * 
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *     * Neither the name of the David Spurr nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * http://www.opensource.org/licenses/bsd-license.php
 * 
 * See scriptaculous.js for full scriptaculous licence
 */
 
/**
 * Extend the Draggable class to allow us to pass the rendering
 * down to the Cropper object.
 */
var CropDraggable = Class.create();

Object.extend( Object.extend( CropDraggable.prototype, Draggable.prototype), {
	
	initialize: function(element) {
		this.options = Object.extend(
			{
				/**
				 * The draw method to defer drawing to
				 */
				drawMethod: function() {}
			}, 
			arguments[1] || {}
		);

		this.element = $(element);

		this.handle = this.element;

		this.delta    = this.currentDelta();
		this.dragging = false;   

		this.eventMouseDown = this.initDrag.bindAsEventListener(this);
		Event.observe(this.handle, "mousedown", this.eventMouseDown);

		Draggables.register(this);
	},
	
	/**
	 * Defers the drawing of the draggable to the supplied method
	 */
	draw: function(point) {
		var pos = Position.cumulativeOffset(this.element);
		var d = this.currentDelta();
		pos[0] -= d[0]; 
		pos[1] -= d[1];
				
		var p = [0,1].map(function(i) { 
			return (point[i]-pos[i]-this.offset[i]) 
		}.bind(this));
				
		this.options.drawMethod( p );
	}
	
});


/**
 * The Cropper object, this will attach itself to the provided image by wrapping it with 
 * the generated xHTML structure required by the cropper.
 * 
 * Usage:
 * 	@param obj Image element to attach to
 * 	@param obj Optional options:
 * 		- ratioDim obj 
 * 			The pixel dimensions to apply as a restrictive ratio, with properties x & y
 * 
 * 		- minWidth int 
 * 			The minimum width for the select area in pixels
 * 
 * 		- minHeight	int 
 * 			The mimimum height for the select area in pixels
 * 
 * 		- maxWidth int
 * 			The maximum width for the select areas in pixels (if both minWidth & maxWidth set to same the width of the cropper will be fixed)
 * 
 * 		- maxHeight int
 *			The maximum height for the select areas in pixels (if both minHeight & maxHeight set to same the height of the cropper will be fixed)
 * 
 * 		- displayOnInit int 
 * 			Whether to display the select area on initialisation, only used when providing minimum width & height or ratio
 * 
 * 		- onEndCrop func
 * 			The callback function to provide the crop details to on end of a crop (see below)
 * 
 * 		- captureKeys boolean
 * 			Whether to capture the keys for moving the select area, as these can cause some problems at the moment
 * 
 * 		- onloadCoords obj
 * 			A coordinates object with properties x1, y1, x2 & y2; for the coordinates of the select area to display onload
 * 	
 *----------------------------------------------
 * 
 * The callback function provided via the onEndCrop option should accept the following parameters:
 * 		- coords obj
 * 			The coordinates object with properties x1, y1, x2 & y2; for the coordinates of the select area
 * 
 * 		- dimensions obj
 * 			The dimensions object with properites width & height; for the dimensions of the select area
 * 		
 *
 * 		Example:
 * 			function onEndCrop( coords, dimensions ) {
 *				$( 'x1' ).value 	= coords.x1;
 *				$( 'y1' ).value 	= coords.y1;
 *				$( 'x2' ).value 	= coords.x2;
 *				$( 'y2' ).value 	= coords.y2;
 *				$( 'width' ).value 	= dimensions.width;
 *				$( 'height' ).value	= dimensions.height;
 *			}
 * 
 */
var Cropper = {};
Cropper.Img = Class.create();
Cropper.Img.prototype = {
	
	/**
	 * Initialises the class
	 * 
	 * @access public
	 * @param obj Image element to attach to
	 * @param obj Options
	 * @return void
	 */
	initialize: function(element, options) {
		this.options = Object.extend(
			{
				/**
				 * @var obj
				 * The pixel dimensions to apply as a restrictive ratio
				 */
				ratioDim: { x: 0, y: 0 },
				/**
				 * @var int
				 * The minimum pixel width, also used as restrictive ratio if min height passed too
				 */
				minWidth:		0,
				/**
				 * @var int
				 * The minimum pixel height, also used as restrictive ratio if min width passed too
				 */
				minHeight:		0,
				/**
				 * @var boolean
				 * Whether to display the select area on initialisation, only used when providing minimum width & height or ratio
				 */
				displayOnInit:	false,
				/**
				 * @var function
				 * The call back function to pass the final values to
				 */
				onEndCrop: Prototype.emptyFunction,
				/**
				 * @var function
				 * The call back function to pass the final values to
				 */
				onStartCrop: Prototype.emptyFunction,
				/**
				 * @var boolean
				 * Whether to capture key presses or not
				 */
				captureKeys: true,
				/**
				 * @var obj Coordinate object x1, y1, x2, y2
				 * The coordinates to optionally display the select area at onload
				 */
				onloadCoords: null,
				/**
				 * @var int
				 * The maximum width for the select areas in pixels (if both minWidth & maxWidth set to same the width of the cropper will be fixed)
				 */
				maxWidth: 0,
				/**
				 * @var int
				 * The maximum height for the select areas in pixels (if both minHeight & maxHeight set to same the height of the cropper will be fixed)
				 */
				maxHeight: 0
			}, 
			options || {}
		);				
		/**
		 * @var obj
		 * The img node to attach to
		 */
		this.img			= $( element );
		/**
		 * @var obj
		 * The x & y coordinates of the click point
		 */
		this.clickCoords	= { x: 0, y: 0 };
		/**
		 * @var boolean
		 * Whether the user is dragging
		 */
		this.dragging		= false;
		/**
		 * @var boolean
		 * Whether the user is resizing
		 */
		this.resizing		= false;
		/**
		 * @var boolean
		 * Whether the user is on a webKit browser
		 */
		this.isWebKit 		= /Konqueror|Safari|KHTML/.test( navigator.userAgent );
		/**
		 * @var boolean
		 * Whether the user is on IE
		 */
		this.isIE 			= /MSIE/.test( navigator.userAgent );
		/**
		 * @var boolean
		 * Whether the user is on Opera below version 9
		 */
		this.isOpera8		= /Opera\s[1-8]/.test( navigator.userAgent );
		/**
		 * @var int
		 * The x ratio 
		 */
		this.ratioX			= 0;
		/**
		 * @var int
		 * The y ratio
		 */
		this.ratioY			= 0;
		/**
		 * @var boolean
		 * Whether we've attached sucessfully
		 */
		this.attached		= false;
		/**
		 * @var boolean
		 * Whether we've got a fixed width (if minWidth EQ or GT maxWidth then we have a fixed width
		 * in the case of minWidth > maxWidth maxWidth wins as the fixed width)
		 */
		this.fixedWidth		= ( this.options.maxWidth > 0 && ( this.options.minWidth >= this.options.maxWidth ) );
		/**
		 * @var boolean
		 * Whether we've got a fixed height (if minHeight EQ or GT maxHeight then we have a fixed height
		 * in the case of minHeight > maxHeight maxHeight wins as the fixed height)
		 */
		this.fixedHeight	= ( this.options.maxHeight > 0 && ( this.options.minHeight >= this.options.maxHeight ) );
		
		// quit if the image element doesn't exist
		if( typeof this.img == 'undefined' ) return;
				
		// include the stylesheet		
		$A( document.getElementsByTagName( 'script' ) ).each( 
			function(s) {
				if( s.src.match( /cropper\.js/ ) ) {
					var path 	= s.src.replace( /cropper\.js(.*)?/, '' );
					// '<link rel="stylesheet" type="text/css" href="' + path + 'cropper.css" media="screen" />';
					var style 		= document.createElement( 'link' );
					style.rel 		= 'stylesheet';
					style.type 		= 'text/css';
					style.href 		= path + 'cropper.css';
					style.media 	= 'screen';
					document.getElementsByTagName( 'head' )[0].appendChild( style );
				}
	    	}
	    );   
	
		// calculate the ratio when neccessary
		if( this.options.ratioDim.x > 0 && this.options.ratioDim.y > 0 ) {
			var gcd = this.getGCD( this.options.ratioDim.x, this.options.ratioDim.y );
			this.ratioX = this.options.ratioDim.x / gcd;
			this.ratioY = this.options.ratioDim.y / gcd;
			// dump( 'RATIO : ' + this.ratioX + ':' + this.ratioY + '\n' );
		}
							
		// initialise sub classes
		this.subInitialize();

		// only load the event observers etc. once the image is loaded
		// this is done after the subInitialize() call just in case the sub class does anything
		// that will affect the result of the call to onLoad()
		if( this.img.complete || this.isWebKit ) this.onLoad(); // for some reason Safari seems to support img.complete but returns 'undefined' on the this.img object
		else Event.observe( this.img, 'load', this.onLoad.bindAsEventListener( this) );		
	},
	
	/**
	 * The Euclidean algorithm used to find the greatest common divisor
	 * 
	 * @acces private
	 * @param int Value 1
	 * @param int Value 2
	 * @return int
	 */
	getGCD : function( a , b ) {
		if( b == 0 ) return a;
		return this.getGCD(b, a % b );
	},
	
	/**
	 * Attaches the cropper to the image once it has loaded
	 * 
	 * @access private
	 * @return void
	 */
	onLoad: function( ) {
		/*
		 * Build the container and all related elements, will result in the following
		 *
		 * <div class="imgCrop_wrap">
		 * 		<img ... this.img ... />
		 * 		<div class="imgCrop_dragArea">
		 * 			<!-- the inner spans are only required for IE to stop it making the divs 1px high/wide -->
		 * 			<div class="imgCrop_overlay imageCrop_north"><span></span></div>
		 * 			<div class="imgCrop_overlay imageCrop_east"><span></span></div>
		 * 			<div class="imgCrop_overlay imageCrop_south"><span></span></div>
		 * 			<div class="imgCrop_overlay imageCrop_west"><span></span></div>
		 * 			<div class="imgCrop_selArea">
		 * 				<!-- marquees -->
		 * 				<!-- the inner spans are only required for IE to stop it making the divs 1px high/wide -->
		 * 				<div class="imgCrop_marqueeHoriz imgCrop_marqueeNorth"><span></span></div>
		 * 				<div class="imgCrop_marqueeVert imgCrop_marqueeEast"><span></span></div>
		 * 				<div class="imgCrop_marqueeHoriz imgCrop_marqueeSouth"><span></span></div>
		 * 				<div class="imgCrop_marqueeVert imgCrop_marqueeWest"><span></span></div>			
		 * 				<!-- handles -->
		 * 				<div class="imgCrop_handle imgCrop_handleN"></div>
		 * 				<div class="imgCrop_handle imgCrop_handleNE"></div>
		 * 				<div class="imgCrop_handle imgCrop_handleE"></div>
		 * 				<div class="imgCrop_handle imgCrop_handleSE"></div>
		 * 				<div class="imgCrop_handle imgCrop_handleS"></div>
		 * 				<div class="imgCrop_handle imgCrop_handleSW"></div>
		 * 				<div class="imgCrop_handle imgCrop_handleW"></div>
		 * 				<div class="imgCrop_handle imgCrop_handleNW"></div>
		 * 				<div class="imgCrop_clickArea"></div>
		 * 			</div>	
		 * 			<div class="imgCrop_clickArea"></div>
		 * 		</div>	
		 * </div>
		 */
		var cNamePrefix = 'imgCrop_';
		
		// get the point to insert the container
		var insertPoint = this.img.parentNode;
		
		// apply an extra class to the wrapper to fix Opera below version 9
		var fixOperaClass = '';
		if( this.isOpera8 ) fixOperaClass = ' opera8';
		this.imgWrap = Builder.node( 'div', {'class': cNamePrefix + 'wrap' + fixOperaClass,'STYLE':'zoom:1;' } );
		
		this.north		= Builder.node( 'div', { 'class': cNamePrefix + 'overlay ' + cNamePrefix + 'north' }, [Builder.node( 'span' )] );
		this.east		= Builder.node( 'div', { 'class': cNamePrefix + 'overlay ' + cNamePrefix + 'east' } , [Builder.node( 'span' )] );
		this.south		= Builder.node( 'div', { 'class': cNamePrefix + 'overlay ' + cNamePrefix + 'south' }, [Builder.node( 'span' )] );
		this.west		= Builder.node( 'div', { 'class': cNamePrefix + 'overlay ' + cNamePrefix + 'west' } , [Builder.node( 'span' )] );
		
		var overlays	= [ this.north, this.east, this.south, this.west ];

		this.dragArea	= Builder.node( 'div', {id:cNamePrefix+'id_dragArea', 'class': cNamePrefix + 'dragArea','STYLE':'zoom:1;' }, overlays );
						
		this.handleN	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleN' } );
		this.handleNE	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleNE' } );
		this.handleE	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleE' } );
		this.handleSE	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleSE' } );
		this.handleS	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleS' } );
		this.handleSW	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleSW' } );
		this.handleW	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleW' } );
		this.handleNW	= Builder.node( 'div', { 'class': cNamePrefix + 'handle ' + cNamePrefix + 'handleNW' } );
				
		this.selArea	= Builder.node( 'div', { id: cNamePrefix+'id_clickArea', 'class': cNamePrefix + 'selArea' },
			[
				Builder.node( 'div', { 'class': cNamePrefix + 'marqueeHoriz ' + cNamePrefix + 'marqueeNorth' }, [Builder.node( 'span' )] ),
				Builder.node( 'div', { 'class': cNamePrefix + 'marqueeVert ' + cNamePrefix + 'marqueeEast' }  , [Builder.node( 'span' )] ),
				Builder.node( 'div', { 'class': cNamePrefix + 'marqueeHoriz ' + cNamePrefix + 'marqueeSouth' }, [Builder.node( 'span' )] ),
				Builder.node( 'div', { 'class': cNamePrefix + 'marqueeVert ' + cNamePrefix + 'marqueeWest' }  , [Builder.node( 'span' )] ),
				this.handleN,
				this.handleNE,
				this.handleE,
				this.handleSE,
				this.handleS,
				this.handleSW,
				this.handleW,
				this.handleNW,
				Builder.node( 'div', {'class': cNamePrefix + 'clickArea' ,'STYLE':'zoom:1;'} )
			]
		);
				
		this.imgWrap.appendChild( this.img );
		this.imgWrap.appendChild( this.dragArea );
		this.dragArea.appendChild( this.selArea );
		this.dragArea.appendChild( Builder.node( 'div', {'class': cNamePrefix + 'clickArea' } ) );

		insertPoint.appendChild( this.imgWrap );

		// add event observers
		this.startDragBind 	= this.startDrag.bindAsEventListener( this );
		Event.observe( this.dragArea, 'mousedown', this.startDragBind );
		
		this.onDragBind 	= this.onDrag.bindAsEventListener( this );
		Event.observe( document, 'mousemove', this.onDragBind );
		
		this.endCropBind 	= this.endCrop.bindAsEventListener( this );
		Event.observe( document, 'mouseup', this.endCropBind );
		
		this.resizeBind		= this.startResize.bindAsEventListener( this );
		this.handles = [ this.handleN, this.handleNE, this.handleE, this.handleSE, this.handleS, this.handleSW, this.handleW, this.handleNW ];
		this.registerHandles( true );
		
		if( this.options.captureKeys ) {
			this.keysBind = this.handleKeys.bindAsEventListener( this );
			Event.observe( document, 'keypress', this.keysBind );
		}

		// attach the dragable to the select area
		new CropDraggable( this.selArea, { drawMethod: this.moveArea.bindAsEventListener( this ) } );
		
		this.setParams();
	},
	
	/**
	 * Manages adding or removing the handle event handler and hiding or displaying them as appropriate
	 * 
	 * @access private
	 * @param boolean registration true = add, false = remove
	 * @return void
	 */
	registerHandles: function( registration ) {	
		for( var i = 0; i < this.handles.length; i++ ) {
			var handle = $( this.handles[i] );
			
			if( registration ) {
				var hideHandle	= false;	// whether to hide the handle
				
				// disable handles asappropriate if we've got fixed dimensions
				// if both dimensions are fixed we don't need to do much
				if( this.fixedWidth && this.fixedHeight ) hideHandle = true;
				else if( this.fixedWidth || this.fixedHeight ) {
					// if one of the dimensions is fixed then just hide those handles
					var isCornerHandle	= handle.className.match( /([S|N][E|W])$/ )
					var isWidthHandle 	= handle.className.match( /(E|W)$/ );
					var isHeightHandle 	= handle.className.match( /(N|S)$/ );
					if( isCornerHandle ) hideHandle = true;
					else if( this.fixedWidth && isWidthHandle ) hideHandle = true;
					else if( this.fixedHeight && isHeightHandle ) hideHandle = true;
				}
				if( hideHandle ) handle.hide();
				else Event.observe( handle, 'mousedown', this.resizeBind );
			} else {
				handle.show();
				Event.stopObserving( handle, 'mousedown', this.resizeBind );
			}
		}
	},
		
	/**
	 * Sets up all the cropper parameters, this can be used to reset the cropper when dynamically
	 * changing the images
	 * 
	 * @access private
	 * @return void
	 */
	setParams: function() {
		/**
		 * @var int
		 * The image width
		 */
		this.imgW = this.img.width;
		/**
		 * @var int
		 * The image height
		 */
		this.imgH = this.img.height;			

		$( this.north ).setStyle( { height: 0 } );
		$( this.east ).setStyle( { width: 0, height: 0 } );
		$( this.south ).setStyle( { height: 0 } );
		$( this.west ).setStyle( { width: 0, height: 0 } );
		
		// resize the container to fit the image
		$( this.imgWrap ).setStyle( { 'width': this.imgW + 'px', 'height': this.imgH + 'px' } );
		
		// IE6 Fix
		$( this.dragArea ).setStyle( { 'width': this.imgW + 'px', 'height': this.imgH + 'px' } );
		
		// hide the select area
		$( this.selArea ).hide();
						
		// setup the starting position of the select area
		var startCoords = { x1: 0, y1: 0, x2: 0, y2: 0 };
		var validCoordsSet = false;
		
		// display the select area 
		if( this.options.onloadCoords != null ) {
			// if we've being given some coordinates to 
			startCoords = this.cloneCoords( this.options.onloadCoords );
			validCoordsSet = true;
		} else if( this.options.ratioDim.x > 0 && this.options.ratioDim.y > 0 ) {
			// if there is a ratio limit applied and the then set it to initial ratio
			startCoords.x1 = Math.ceil( ( this.imgW - this.options.ratioDim.x ) / 2 );
			startCoords.y1 = Math.ceil( ( this.imgH - this.options.ratioDim.y ) / 2 );
			startCoords.x2 = startCoords.x1 + this.options.ratioDim.x;
			startCoords.y2 = startCoords.y1 + this.options.ratioDim.y;
			validCoordsSet = true;
		}
		
		this.setAreaCoords( startCoords, false, false, 1 );
		
		if( this.options.displayOnInit && validCoordsSet ) {
			this.selArea.show();
			this.drawArea();
			this.endCrop();
		}
		
		this.attached = true;
	},
	
	/**
	 * Removes the cropper
	 * 
	 * @access public
	 * @return void
	 */
	remove: function() {
		if( this.attached ) {
			this.attached = false;
			
			// remove the elements we inserted
			this.imgWrap.parentNode.insertBefore( this.img, this.imgWrap );
			this.imgWrap.parentNode.removeChild( this.imgWrap );
			
			// remove the event observers
			Event.stopObserving( this.dragArea, 'mousedown', this.startDragBind );
			Event.stopObserving( document, 'mousemove', this.onDragBind );		
			Event.stopObserving( document, 'mouseup', this.endCropBind );
			this.registerHandles( false );
			if( this.options.captureKeys ) Event.stopObserving( document, 'keypress', this.keysBind );
		}
	},
	
	/**
	 * Resets the cropper, can be used either after being removed or any time you wish
	 * 
	 * @access public
	 * @return void
	 */
	reset: function() {
		if( !this.attached ) this.onLoad();
		else this.setParams();
		this.endCrop();
	},
	
	/**
	 * Handles the key functionality, currently just using arrow keys to move, if the user
	 * presses shift then the area will move by 10 pixels
	 */
	handleKeys: function( e ) {
		var dir = { x: 0, y: 0 }; // direction to move it in & the amount in pixels
		if( !this.dragging ) {
			
			// catch the arrow keys
			switch( e.keyCode ) {
				case( 37 ) : // left
					dir.x = -1;
					break;
				case( 38 ) : // up
					dir.y = -1;
					break;
				case( 39 ) : // right
					dir.x = 1;
					break
				case( 40 ) : // down
					dir.y = 1;
					break;
			}
			
			if( dir.x != 0 || dir.y != 0 ) {
				// if shift is pressed then move by 10 pixels
				if( e.shiftKey ) {
					dir.x *= 10;
					dir.y *= 10;
				}
				
				this.moveArea( [ this.areaCoords.x1 + dir.x, this.areaCoords.y1 + dir.y ] );
				Event.stop( e ); 
			}
		}
	},
	
	/**
	 * Calculates the width from the areaCoords
	 * 
	 * @access private
	 * @return int
	 */
	calcW: function() {
		return (this.areaCoords.x2 - this.areaCoords.x1)
	},
	
	/**
	 * Calculates the height from the areaCoords
	 * 
	 * @access private
	 * @return int
	 */
	calcH: function() {
		return (this.areaCoords.y2 - this.areaCoords.y1)
	},
	
	/**
	 * Moves the select area to the supplied point (assumes the point is x1 & y1 of the select area)
	 * 
	 * @access public
	 * @param array Point for x1 & y1 to move select area to
	 * @return void
	 */
	moveArea: function( point ) {
		// dump( 'moveArea        : ' + point[0] + ',' + point[1] + ',' + ( point[0] + ( this.areaCoords.x2 - this.areaCoords.x1 ) ) + ',' + ( point[1] + ( this.areaCoords.y2 - this.areaCoords.y1 ) ) + '\n' );
		this.setAreaCoords( 
			{
				x1: point[0], 
				y1: point[1],
				x2: point[0] + this.calcW(),
				y2: point[1] + this.calcH()
			},
			true,
			false
		);
		this.startCrop();
		this.drawArea();
	},

	/**
	 * Clones a co-ordinates object, stops problems with handling them by reference
	 * 
	 * @access private
	 * @param obj Coordinate object x1, y1, x2, y2
	 * @return obj Coordinate object x1, y1, x2, y2
	 */
	cloneCoords: function( coords ) {
		return { x1: coords.x1, y1: coords.y1, x2: coords.x2, y2: coords.y2 };
	},

	/**
	 * Sets the select coords to those provided but ensures they don't go
	 * outside the bounding box
	 * 
	 * @access private
	 * @param obj Coordinates x1, y1, x2, y2
	 * @param boolean Whether this is a move
	 * @param boolean Whether to apply squaring
	 * @param obj Direction of mouse along both axis x, y ( -1 = negative, 1 = positive ) only required when moving etc.
	 * @param string The current resize handle || null
	 * @return void
	 */
	setAreaCoords: function( coords, moving, square, direction, resizeHandle ) {
		
		//console.log( 'setAreaCoords (in) : ' + coords.x1 + ',' + coords.y1 + ',' + coords.x2 + ',' + coords.y2 );
		
		//dump( 'setAreaCoords (in) : ' + coords.x1 + ',' + coords.y1 + ',' + coords.x2 + ',' + coords.y2 );
		
		
		
		
		if( moving ) {
			// if moving
			var targW = coords.x2 - coords.x1;
			var targH = coords.y2 - coords.y1;
			
			// ensure we're within the bounds
			if( coords.x1 < 0 ) {
				coords.x1 = 0;
				coords.x2 = targW;
			}
			if( coords.y1 < 0 ) {
				coords.y1 = 0;
				coords.y2 = targH;
			}
			if( coords.x2 > this.imgW ) {
				coords.x2 = this.imgW;
				coords.x1 = this.imgW - targW;
			}
			if( coords.y2 > this.imgH ) {
				coords.y2 = this.imgH;
				coords.y1 = this.imgH - targH;
			}			
		} else {
			// ensure we're within the bounds
			if( coords.x1 < 0 ) coords.x1 = 0;
			if( coords.y1 < 0 ) coords.y1 = 0;
			if( coords.x2 > this.imgW ) coords.x2 = this.imgW;
			if( coords.y2 > this.imgH ) coords.y2 = this.imgH;
			
			// This is passed as null in onload
			if( direction != null ) {
								
				// apply the ratio or squaring where appropriate
				if( this.ratioX > 0 ) this.applyRatio( coords, { x: this.ratioX, y: this.ratioY }, direction, resizeHandle );
				else if( square ) this.applyRatio( coords, { x: 1, y: 1 }, direction, resizeHandle );
										
				var mins = [ this.options.minWidth, this.options.minHeight ]; // minimum dimensions [x,y]			
				var maxs = [ this.options.maxWidth, this.options.maxHeight ]; // maximum dimensions [x,y]
				
						
				// apply dimensions where appropriate
				if( mins[0] > 0 || mins[1] > 0 || maxs[0] > 0 || maxs[1] > 0) {
					
					
					
					
					
					//console.log('lx:'+lx+' ly:'+ly+' rx:'+rx+' ry:'+ry);
					
				
				/*
					var coordsTransX 	= { a1: coords.x1, a2: coords.x2 };
					var coordsTransY 	= { a1: coords.y1, a2: coords.y2 };
					var boundsX			= { min: 0, max: this.imgW };
					var boundsY			= { min: 0, max: this.imgH };
					
					// handle squaring properly on single axis minimum dimensions
					if( (mins[0] != 0 || mins[1] != 0) && square ) {
						if( mins[0] > 0 ) mins[1] = mins[0];
						else if( mins[1] > 0 ) mins[0] = mins[1];
					}
					
					if( (maxs[0] != 0 || maxs[0] != 0) && square ) {
						// if we have a max x value & it is less than the max y value then we set the y max to the max x (so we don't go over the minimum maximum of one of the axes - if that makes sense)
						if( maxs[0] > 0 && maxs[0] <= maxs[1] ) maxs[1] = maxs[0];
						else if( maxs[1] > 0 && maxs[1] <= maxs[0] ) maxs[0] = maxs[1];
					}
					
					if( mins[0] > 0 ) this.applyDimRestriction( coordsTransX, mins[0], direction.x, boundsX, 'min' );
					if( mins[1] > 1 ) this.applyDimRestriction( coordsTransY, mins[1], direction.y, boundsY, 'min' );
					
					if( maxs[0] > 0 ) this.applyDimRestriction( coordsTransX, maxs[0], direction.x, boundsX, 'max' );
					if( maxs[1] > 1 ) this.applyDimRestriction( coordsTransY, maxs[1], direction.y, boundsY, 'max' );
					
					coords = { x1: coordsTransX.a1, y1: coordsTransY.a1, x2: coordsTransX.a2, y2: coordsTransY.a2 };
				*/
					
					
				
					lx = Math.max(0,Math.min(Math.min((coords.x1+coords.x2-mins[0])/2, coords.x1), this.imgW-mins[0]));
					ly = Math.max(0,Math.min(Math.min((coords.y1+coords.y2-mins[1])/2, coords.y1), this.imgH-mins[1]));
					rx = Math.max(coords.x2, lx+mins[0]);
					ry = Math.max(coords.y2, ly+mins[1]);
					
					
					
					coords = { x1: lx, y1: ly, x2: rx, y2: ry };
				}
				
			}
		}
		
		// dump( 'setAreaCoords (out) : ' + coords.x1 + ',' + coords.y1 + ',' + coords.x2 + ',' + coords.y2 + '\n' );
		this.areaCoords = coords;
	},
	
	/**
	 * Applies the supplied dimension restriction to the supplied coordinates along a single axis
	 * 
	 * @access private
	 * @param obj Single axis coordinates, a1, a2 (e.g. for the x axis a1 = x1 & a2 = x2)
	 * @param int The restriction value
	 * @param int The direction ( -1 = negative, 1 = positive )
	 * @param obj The bounds of the image ( for this axis )
	 * @param string The dimension restriction type ( 'min' | 'max' )
	 * @return void
	 */
	applyDimRestriction: function( coords, val, direction, bounds, type ) {
		var check;
		if( type == 'min' ) check = ( ( coords.a2 - coords.a1 ) < val );
		else check = ( ( coords.a2 - coords.a1 ) > val );
		if( check ) {
			if( direction == 1 ) coords.a2 = coords.a1 + val;
			else coords.a1 = coords.a2 - val;
			
			// make sure we're still in the bounds (not too pretty for the user, but needed)
			if( coords.a1 < bounds.min ) {
				coords.a1 = bounds.min;
				coords.a2 = val;
			} else if( coords.a2 > bounds.max ) {
				coords.a1 = bounds.max - val;
				coords.a2 = bounds.max;
			}
		}
	},
		
	/**
	 * Applies the supplied ratio to the supplied coordinates
	 * 
	 * @access private
	 * @param obj Coordinates, x1, y1, x2, y2
	 * @param obj Ratio, x, y
	 * @param obj Direction of mouse, x & y : -1 == negative 1 == positive
	 * @param string The current resize handle || null
	 * @return void
	 */
	applyRatio : function( coords, ratio, direction, resizeHandle ) {
		// dump( 'direction.y : ' + direction.y + '\n');
		var newCoords;
		if( resizeHandle == 'N' || resizeHandle == 'S' ) {
			// dump( 'north south \n');
			// if moving on either the lone north & south handles apply the ratio on the y axis
			newCoords = this.applyRatioToAxis( 
				{ a1: coords.y1, b1: coords.x1, a2: coords.y2, b2: coords.x2 },
				{ a: ratio.y, b: ratio.x },
				{ a: direction.y, b: direction.x },
				{ min: 0, max: this.imgW }
			);
			coords.x1 = newCoords.b1;
			coords.y1 = newCoords.a1;
			coords.x2 = newCoords.b2;
			coords.y2 = newCoords.a2;
		} else {
			// otherwise deal with it as if we're applying the ratio on the x axis
			newCoords = this.applyRatioToAxis( 
				{ a1: coords.x1, b1: coords.y1, a2: coords.x2, b2: coords.y2 },
				{ a: ratio.x, b: ratio.y },
				{ a: direction.x, b: direction.y },
				{ min: 0, max: this.imgH }
			);
			coords.x1 = newCoords.a1;
			coords.y1 = newCoords.b1;
			coords.x2 = newCoords.a2;
			coords.y2 = newCoords.b2;
		}
		
	},
	
	/**
	 * Applies the provided ratio to the provided coordinates based on provided direction & bounds,
	 * use to encapsulate functionality to make it easy to apply to either axis. This is probably
	 * quite hard to visualise so see the x axis example within applyRatio()
	 * 
	 * Example in parameter details & comments is for requesting applying ratio to x axis.
	 * 
	 * @access private
	 * @param obj Coords object (a1, b1, a2, b2) where a = x & b = y in example
	 * @param obj Ratio object (a, b) where a = x & b = y in example
	 * @param obj Direction object (a, b) where a = x & b = y in example
	 * @param obj Bounds (min, max)
	 * @return obj Coords object (a1, b1, a2, b2) where a = x & b = y in example
	 */
	applyRatioToAxis: function( coords, ratio, direction, bounds ) {
		var newCoords = Object.extend( coords, {} );
		var calcDimA = newCoords.a2 - newCoords.a1;			// calculate dimension a (e.g. width)
		var targDimB = Math.floor( calcDimA * ratio.b / ratio.a );	// the target dimension b (e.g. height)
		var targB;											// to hold target b (e.g. y value)
		var targDimA;                                		// to hold target dimension a (e.g. width)
		var calcDimB = null;								// to hold calculated dimension b (e.g. height)
		
		// dump( 'newCoords[0]: ' + newCoords.a1 + ',' + newCoords.b1 + ','+ newCoords.a2 + ',' + newCoords.b2 + '\n');
				
		if( direction.b == 1 ) {							// if travelling in a positive direction
			// make sure we're not going out of bounds
			targB = newCoords.b1 + targDimB;
			if( targB > bounds.max ) {
				targB = bounds.max;
				calcDimB = targB - newCoords.b1;			// calcuate dimension b (e.g. height)
			}
			
			newCoords.b2 = targB;
		} else {											// if travelling in a negative direction
			// make sure we're not going out of bounds
			targB = newCoords.b2 - targDimB;
			if( targB < bounds.min ) {
				targB = bounds.min;
				calcDimB = targB + newCoords.b2;			// calcuate dimension b (e.g. height)
			}
			newCoords.b1 = targB;
		}
		
		// dump( 'newCoords[1]: ' + newCoords.a1 + ',' + newCoords.b1 + ','+ newCoords.a2 + ',' + newCoords.b2 + '\n');
			
		// apply the calculated dimensions
		if( calcDimB != null ) {
			targDimA = Math.floor( calcDimB * ratio.a / ratio.b );
			
			if( direction.a == 1 ) newCoords.a2 = newCoords.a1 + targDimA;
			else newCoords.a1 = newCoords.a1 = newCoords.a2 - targDimA;
		}
		
		// dump( 'newCoords[2]: ' + newCoords.a1 + ',' + newCoords.b1 + ','+ newCoords.a2 + ',' + newCoords.b2 + '\n');
			
		return newCoords;
	},
	
	/**
	 * Draws the select area
	 * 
	 * @access private
	 * @return void
	 */
	drawArea: function( ) {	
		/*
		 * NOTE: I'm not using the Element.setStyle() shortcut as they make it 
		 * quite sluggish on Mac based browsers
		 */
		// dump( 'drawArea        : ' + this.areaCoords.x1 + ',' + this.areaCoords.y1 + ',' + this.areaCoords.x2 + ',' + this.areaCoords.y2 + '\n' );
		var areaWidth     = this.calcW();
		var areaHeight    = this.calcH();
		
		/*
		 * Calculate all the style strings before we use them, allows reuse & produces quicker
		 * rendering (especially noticable in Mac based browsers)
		 */
		var px = 'px';
		var params = [
			this.areaCoords.x1 + px, 	// the left of the selArea
			this.areaCoords.y1 + px,		// the top of the selArea
			areaWidth + px,					// width of the selArea
			areaHeight + px,					// height of the selArea
			this.areaCoords.x2 + px,		// bottom of the selArea
			this.areaCoords.y2 + px,		// right of the selArea
			(this.img.width - this.areaCoords.x2) + px,	// right edge of selArea
			(this.img.height - this.areaCoords.y2) + px	// bottom edge of selArea
		];
				
		// do the select area
		var areaStyle				= this.selArea.style;
		areaStyle.left				= params[0];
		areaStyle.top				= params[1];
		areaStyle.width				= params[2];
		areaStyle.height			= params[3];
			  	
		// position the north, east, south & west handles
		var horizHandlePos = Math.ceil( (areaWidth - 6) / 2 ) + px;
		var vertHandlePos = Math.ceil( (areaHeight - 6) / 2 ) + px;
		
		this.handleN.style.left 	= horizHandlePos;
		this.handleE.style.top 		= vertHandlePos;
		this.handleS.style.left 	= horizHandlePos;
		this.handleW.style.top		= vertHandlePos;
		
		// draw the four overlays
		this.north.style.height 	= params[1];
		
		var eastStyle 				= this.east.style;
		eastStyle.top				= params[1];
		eastStyle.height			= params[3];
		eastStyle.left				= params[4];
	    eastStyle.width				= params[6];
	   
	   	var southStyle 				= this.south.style;
	   	southStyle.top				= params[5];
	   	southStyle.height			= params[7];
	   
	    var westStyle       		= this.west.style;
	    westStyle.top				= params[1];
	    westStyle.height			= params[3];
	   	westStyle.width				= params[0];
	   	
		// call the draw method on sub classes
		this.subDrawArea();
		
		this.forceReRender();
	},
	
	/**
	 * Force the re-rendering of the selArea element which fixes rendering issues in Safari 
	 * & IE PC, especially evident when re-sizing perfectly vertical using any of the south handles
	 * 
	 * @access private
	 * @return void
	 */
	forceReRender: function() {
		if( this.isIE || this.isWebKit) {
			var n = document.createTextNode(' ');
			var d,el,fixEL,i;
		
			if( this.isIE ) fixEl = this.selArea;
			else if( this.isWebKit ) {
				fixEl = document.getElementsByClassName( 'imgCrop_marqueeSouth', this.imgWrap )[0];
				/* we have to be a bit more forceful for Safari, otherwise the the marquee &
				 * the south handles still don't move
				 */ 
				d = Builder.node( 'div', '' );
				d.style.visibility = 'hidden';
				
				var classList = ['SE','S','SW'];
				for( i = 0; i < classList.length; i++ ) {
					el = document.getElementsByClassName( 'imgCrop_handle' + classList[i], this.selArea )[0];
					if( el.childNodes.length ) el.removeChild( el.childNodes[0] );
					el.appendChild(d);
				}
			}
			fixEl.appendChild(n);
			fixEl.removeChild(n);
		}
	},
	
	/**
	 * Starts the resize
	 * 
	 * @access private
	 * @param obj Event
	 * @return void
	 */
	startResize: function( e ) {
		this.startCoords = this.cloneCoords( this.areaCoords );
		
		this.resizing = true;
		this.startCrop();
		this.resizeHandle = Event.element( e ).classNames().toString().replace(/([^N|NE|E|SE|S|SW|W|NW])+/, '');
		// dump( 'this.resizeHandle : ' + this.resizeHandle + '\n' );
		Event.stop( e );
	},
	
	/**
	 * Starts the drag
	 * 
	 * @access private
	 * @param obj Event
	 * @return void
	 */
	startDrag: function( e ) {
		this.selArea.show();
		this.clickCoords = this.getCurPos( e );
     	
    	this.setAreaCoords( { x1: this.clickCoords.x, y1: this.clickCoords.y, x2: this.clickCoords.x, y2: this.clickCoords.y }, false, false, null );
    	
    	this.dragging = true;
    	this.startCrop();
    	this.onDrag( e ); // incase the user just clicks once after already making a selection
    	Event.stop( e );
  
	},
	
	/**
	 * Gets the current cursor position relative to the image
	 * 
	 * @access private
	 * @param obj Event
	 * @return obj x,y pixels of the cursor
	 */
	
	getCurPos: function( e ) {
		// get the offsets for the wrapper within the document
		var el = this.imgWrap, wrapOffsets = Position.cumulativeOffset( el );
			
		// remove any scrolling that is applied to the wrapper (this may be buggy) - don't count the scroll on the body as that won't affect us
		while( el.nodeName != 'BODY' ) {
			wrapOffsets[1] -= el.scrollTop  || 0;
			wrapOffsets[0] -= el.scrollLeft || 0;
			el = el.parentNode;
	    }	
	        
	    	
		return curPos = { 
			x: Event.pointerX(e) - wrapOffsets[0],
			y: Event.pointerY(e) - wrapOffsets[1]
		}
		
	},
	

  	
  	/**
  	 * Performs the drag for both resize & inital draw dragging
  	 * 
  	 * @access private
	 * @param obj Event
	 * @return void
	 */
  	onDrag: function( e ) {
  		if( this.dragging || this.resizing ) {	
  		
  			var resizeHandle = null;
  			var curPos = this.getCurPos( e );			
			var newCoords = this.cloneCoords( this.areaCoords );
  			var direction = { x: 1, y: 1 };
  	  					
		    if( this.dragging ) {
		    	if( curPos.x < this.clickCoords.x ) direction.x = -1;
		    	if( curPos.y < this.clickCoords.y ) direction.y = -1;
		    	
				this.transformCoords( curPos.x, this.clickCoords.x, newCoords, 'x' );
				this.transformCoords( curPos.y, this.clickCoords.y, newCoords, 'y' );
			} else if( this.resizing ) {
				resizeHandle = this.resizeHandle;			
				// do x movements first
				if( resizeHandle.match(/E/) ) {
					// if we're moving an east handle
					this.transformCoords( curPos.x, this.startCoords.x1, newCoords, 'x' );	
					if( curPos.x < this.startCoords.x1 ) direction.x = -1;
				} else if( resizeHandle.match(/W/) ) {
					// if we're moving an west handle
					this.transformCoords( curPos.x, this.startCoords.x2, newCoords, 'x' );
					if( curPos.x < this.startCoords.x2 ) direction.x = -1;
				}
									
				// do y movements second
				if( resizeHandle.match(/N/) ) {
					// if we're moving an north handle	
					this.transformCoords( curPos.y, this.startCoords.y2, newCoords, 'y' );
					if( curPos.y < this.startCoords.y2 ) direction.y = -1;
				} else if( resizeHandle.match(/S/) ) {
					// if we're moving an south handle
					this.transformCoords( curPos.y, this.startCoords.y1, newCoords, 'y' );	
					if( curPos.y < this.startCoords.y1 ) direction.y = -1;
				}	
							
			}
		
			this.setAreaCoords( newCoords, false, e.shiftKey, direction, resizeHandle );
			this.drawArea();
			Event.stop( e ); // stop the default event (selecting images & text) in Safari & IE PC
		}
	},
	
	/**
	 * Applies the appropriate transform to supplied co-ordinates, on the
	 * defined axis, depending on the relationship of the supplied values
	 * 
	 * @access private
	 * @param int Current value of pointer
	 * @param int Base value to compare current pointer val to
	 * @param obj Coordinates to apply transformation on x1, x2, y1, y2
	 * @param string Axis to apply transformation on 'x' || 'y'
	 * @return void
	 */
	transformCoords : function( curVal, baseVal, coords, axis ) {
		var newVals = [ curVal, baseVal ];
		if( curVal > baseVal ) newVals.reverse();
		coords[ axis + '1' ] = newVals[0];
		coords[ axis + '2' ] = newVals[1];		
	},
	
	/**
	 * Ends the crop & passes the values of the select area on to the appropriate 
	 * callback function on completion of a crop
	 * 
	 * @access private
	 * @return void
	 */
	endCrop : function() {
		this.dragging = false;
		this.resizing = false;
		
		this.options.onEndCrop(
			this.areaCoords,
			{
				width: this.calcW(), 
				height: this.calcH() 
			}
		);
	},
	
	startCrop : function() {
		//alert('Start bitch!');
		this.options.onStartCrop();
	},
	
	/**
	 * Abstract method called on the end of initialization
	 * 
	 * @access private
	 * @abstract
	 * @return void
	 */
	subInitialize: function() {},
	
	/**
	 * Abstract method called on the end of drawArea()
	 * 
	 * @access private
	 * @abstract
	 * @return void
	 */
	subDrawArea: function() {}
};




/**
 * Extend the Cropper.Img class to allow for presentation of a preview image of the resulting crop,
 * the option for displayOnInit is always overridden to true when displaying a preview image
 * 
 * Usage:
 * 	@param obj Image element to attach to
 * 	@param obj Optional options:
 * 		- see Cropper.Img for base options
 * 		
 * 		- previewWrap obj
 * 			HTML element that will be used as a container for the preview image		
 */
Cropper.ImgWithPreview = Class.create();

Object.extend( Object.extend( Cropper.ImgWithPreview.prototype, Cropper.Img.prototype ), {
	
	/**
	 * Implements the abstract method from Cropper.Img to initialize preview image settings.
	 * Will only attach a preview image is the previewWrap element is defined and the minWidth
	 * & minHeight options are set.
	 * 
	 * @see Croper.Img.subInitialize
	 */
	subInitialize: function() {
		/**
		 * Whether or not we've attached a preview image
		 * @var boolean
		 */
		this.hasPreviewImg = false;
		if( typeof(this.options.previewWrap) != 'undefined' 
			&& this.options.minWidth > 0 
			&& this.options.minHeight > 0
		) {
			/**
			 * The preview image wrapper element
			 * @var obj HTML element
			 */
			this.previewWrap 	= $( this.options.previewWrap );
			/**
			 * The preview image element
			 * @var obj HTML IMG element
			 */
			this.previewImg 	= this.img.cloneNode( false );
			// set the ID of the preview image to be unique
			this.previewImg.id	= 'imgCrop_' + this.previewImg.id;
			
						
			// set the displayOnInit option to true so we display the select area at the same time as the thumbnail
			this.options.displayOnInit = true;

			this.hasPreviewImg 	= true;
			
			this.previewWrap.addClassName( 'imgCrop_previewWrap' );
			
			this.previewWrap.setStyle(
			 { 
			 	width: this.options.minWidth + 'px',
			 	height: this.options.minHeight + 'px'
			 }
			);
			
			this.previewWrap.appendChild( this.previewImg );
		}
	},
	
	/**
	 * Implements the abstract method from Cropper.Img to draw the preview image
	 * 
	 * @see Croper.Img.subDrawArea
	 */
	subDrawArea: function() {
		if( this.hasPreviewImg ) {
			// get the ratio of the select area to the src image
			var calcWidth = this.calcW();
			var calcHeight = this.calcH();
			// ratios for the dimensions of the preview image
			var dimRatio = { 
				x: this.imgW / calcWidth, 
				y: this.imgH / calcHeight 
			}; 
			//ratios for the positions within the preview
			var posRatio = { 
				x: calcWidth / this.options.minWidth, 
				y: calcHeight / this.options.minHeight 
			};
			
			// setting the positions in an obj before apply styles for rendering speed increase
			var calcPos	= {
				w: Math.ceil( this.options.minWidth * dimRatio.x ) + 'px',
				h: Math.ceil( this.options.minHeight * dimRatio.y ) + 'px',
				x: '-' + Math.ceil( this.areaCoords.x1 / posRatio.x )  + 'px',
				y: '-' + Math.ceil( this.areaCoords.y1 / posRatio.y ) + 'px'
			}
			
			var previewStyle 	= this.previewImg.style;
			previewStyle.width 	= calcPos.w;
			previewStyle.height	= calcPos.h;
			previewStyle.left	= calcPos.x;
			previewStyle.top	= calcPos.y;
		}
	}
	
});




/*
 *  md5.js 1.0b 27/06/96
 *
 * Javascript implementation of the RSA Data Security, Inc. MD5
 * Message-Digest Algorithm.
 *
 * Copyright (c) 1996 Henri Torgemane. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for any purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies.
 *
 * Of course, this soft is provided "as is" without express or implied
 * warranty of any kind.
 *
 *
 * Modified with german comments and some information about collisions.
 * (Ralf Mieke, ralf@miekenet.de, http://mieke.home.pages.de)
 * French translation: Serge François, serge@selfhtml.org, http://fr.selfhtml.org
 */



function array(n) {
  for(i=0;i<n;i++) this[i]=0;
  this.length=n;
}



/* Quelques fonctions fondamentales doivent être transformées à cause
 * d'erreurs Javascript.
 * Essayez par exemple de calculer 0xffffffff >> 4 ...
 * Les fonctions utilisées maintenant sont il est vrai plus lentes que les
 * fonctions originales mais elles fonctionnent.
 */

function integer(n) { return n%(0xffffffff+1); }

function shr(a,b) {
  a=integer(a);
  b=integer(b);
  if (a-0x80000000>=0) {
    a=a%0x80000000;
    a>>=b;
    a+=0x40000000>>(b-1);
  } else
    a>>=b;
  return a;
}

function shl1(a) {
  a=a%0x80000000;
  if (a&0x40000000==0x40000000)
  {
    a-=0x40000000;
    a*=2;
    a+=0x80000000;
  } else
    a*=2;
  return a;
}

function shl(a,b) {
  a=integer(a);
  b=integer(b);
  for (var i=0;i<b;i++) a=shl1(a);
  return a;
}

function and(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return ((t1&t2)+0x80000000);
    else
      return (t1&b);
  else
    if (t2>=0)
      return (a&t2);
    else
      return (a&b);
}

function or(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return ((t1|t2)+0x80000000);
    else
      return ((t1|b)+0x80000000);
  else
    if (t2>=0)
      return ((a|t2)+0x80000000);
    else
      return (a|b);
}

function xor(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return (t1^t2);
    else
      return ((t1^b)+0x80000000);
  else
    if (t2>=0)
      return ((a^t2)+0x80000000);
    else
      return (a^b);
}

function not(a) {
  a=integer(a);
  return (0xffffffff-a);
}

/* Début de l'algorithme */

    var state = new array(4);
    var count = new array(2);
        count[0] = 0;
        count[1] = 0;
    var buffer = new array(64);
    var transformBuffer = new array(16);
    var digestBits = new array(16);

    var S11 = 7;
    var S12 = 12;
    var S13 = 17;
    var S14 = 22;
    var S21 = 5;
    var S22 = 9;
    var S23 = 14;
    var S24 = 20;
    var S31 = 4;
    var S32 = 11;
    var S33 = 16;
    var S34 = 23;
    var S41 = 6;
    var S42 = 10;
    var S43 = 15;
    var S44 = 21;

    function F(x,y,z) {
        return or(and(x,y),and(not(x),z));
    }

    function G(x,y,z) {
        return or(and(x,z),and(y,not(z)));
    }

    function H(x,y,z) {
        return xor(xor(x,y),z);
    }

    function I(x,y,z) {
        return xor(y ,or(x , not(z)));
    }

    function rotateLeft(a,n) {
        return or(shl(a, n),(shr(a,(32 - n))));
    }

    function FF(a,b,c,d,x,s,ac) {
        a = a+F(b, c, d) + x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function GG(a,b,c,d,x,s,ac) {
        a = a+G(b, c, d) +x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function HH(a,b,c,d,x,s,ac) {
        a = a+H(b, c, d) + x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function II(a,b,c,d,x,s,ac) {
        a = a+I(b, c, d) + x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function transform(buf,offset) {
        var a=0, b=0, c=0, d=0;
        var x = transformBuffer;

        a = state[0];
        b = state[1];
        c = state[2];
        d = state[3];

        for (i = 0; i < 16; i++) {
            x[i] = and(buf[i*4+offset],0xff);
            for (j = 1; j < 4; j++) {
                x[i]+=shl(and(buf[i*4+j+offset] ,0xff), j * 8);
            }
        }

        /* tour 1 */
        a = FF ( a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
        d = FF ( d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
        c = FF ( c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
        b = FF ( b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
        a = FF ( a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
        d = FF ( d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
        c = FF ( c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
        b = FF ( b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
        a = FF ( a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
        d = FF ( d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
        c = FF ( c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
        b = FF ( b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
        a = FF ( a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
        d = FF ( d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
        c = FF ( c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
        b = FF ( b, c, d, a, x[15], S14, 0x49b40821); /* 16 */

        /* tour 2 */
        a = GG ( a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
        d = GG ( d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
        c = GG ( c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
        b = GG ( b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
        a = GG ( a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
        d = GG ( d, a, b, c, x[10], S22,  0x2441453); /* 22 */
        c = GG ( c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
        b = GG ( b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
        a = GG ( a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
        d = GG ( d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
        c = GG ( c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
        b = GG ( b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
        a = GG ( a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
        d = GG ( d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
        c = GG ( c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
        b = GG ( b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */

        /* tour 3 */
        a = HH ( a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
        d = HH ( d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
        c = HH ( c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
        b = HH ( b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
        a = HH ( a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
        d = HH ( d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
        c = HH ( c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
        b = HH ( b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
        a = HH ( a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
        d = HH ( d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
        c = HH ( c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
        b = HH ( b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
        a = HH ( a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
        d = HH ( d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
        c = HH ( c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
        b = HH ( b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */

        /* tour 4 */
        a = II ( a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
        d = II ( d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
        c = II ( c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
        b = II ( b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
        a = II ( a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
        d = II ( d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
        c = II ( c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
        b = II ( b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
        a = II ( a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
        d = II ( d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
        c = II ( c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
        b = II ( b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
        a = II ( a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
        d = II ( d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
        c = II ( c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
        b = II ( b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */

        state[0] +=a;
        state[1] +=b;
        state[2] +=c;
        state[3] +=d;

    }
    /* Avec l'initialisation de  Dobbertin:
       state[0] = 0x12ac2375;
       state[1] = 0x3b341042;
       state[2] = 0x5f62b97c;
       state[3] = 0x4ba763ed;
       s'il y a une collision:

       begin 644 Message1
       M7MH=JO6_>MG!X?!51$)W,CXV!A"=(!AR71,<X`Y-IIT9^Z&8L$2N'Y*Y:R.;
       39GIK9>TF$W()/MEHR%C4:G1R:Q"=
       `
       end

       begin 644 Message2
       M7MH=JO6_>MG!X?!51$)W,CXV!A"=(!AR71,<X`Y-IIT9^Z&8L$2N'Y*Y:R.;
       39GIK9>TF$W()/MEHREC4:G1R:Q"=
       `
       end
    */
    function init() {
        count[0]=count[1] = 0;
        state[0] = 0x67452301;
        state[1] = 0xefcdab89;
        state[2] = 0x98badcfe;
        state[3] = 0x10325476;
        for (i = 0; i < digestBits.length; i++)
            digestBits[i] = 0;
    }

    function update(b) {
        var index,i;

        index = and(shr(count[0],3) , 0x3f);
        if (count[0]<0xffffffff-7)
          count[0] += 8;
        else {
          count[1]++;
          count[0]-=0xffffffff+1;
          count[0]+=8;
        }
        buffer[index] = and(b,0xff);
        if (index  >= 63) {
            transform(buffer, 0);
        }
    }

    function finish() {
        var bits = new array(8);
        var        padding;
        var        i=0, index=0, padLen=0;

        for (i = 0; i < 4; i++) {
            bits[i] = and(shr(count[0],(i * 8)), 0xff);
        }
        for (i = 0; i < 4; i++) {
            bits[i+4]=and(shr(count[1],(i * 8)), 0xff);
        }
        index = and(shr(count[0], 3) ,0x3f);
        padLen = (index < 56) ? (56 - index) : (120 - index);
        padding = new array(64);
        padding[0] = 0x80;
        for (i=0;i<padLen;i++)
          update(padding[i]);
        for (i=0;i<8;i++)
          update(bits[i]);

        for (i = 0; i < 4; i++) {
            for (j = 0; j < 4; j++) {
                digestBits[i*4+j] = and(shr(state[i], (j * 8)) , 0xff);
            }
        }
    }

/* Fin de l'algorithme MD5 */

function hexa(n) {
 var hexa_h = "0123456789abcdef";
 var hexa_c="";
 var hexa_m=n;
 for (hexa_i=0;hexa_i<8;hexa_i++) {
   hexa_c=hexa_h.charAt(Math.abs(hexa_m)%16)+hexa_c;
   hexa_m=Math.floor(hexa_m/16);
 }
 return hexa_c;
}


var ascii="01234567890123456789012345678901" +
          " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"+
          "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";

function MD5(message)
{
 var l,s,k,ka,kb,kc,kd;

 init();
 for (k=0;k<message.length;k++) {
   l=message.charAt(k);
   update(ascii.lastIndexOf(l));
 }
 finish();
 ka=kb=kc=kd=0;
 for (i=0;i<4;i++) ka+=shl(digestBits[15-i], (i*8));
 for (i=4;i<8;i++) kb+=shl(digestBits[15-i], ((i-4)*8));
 for (i=8;i<12;i++) kc+=shl(digestBits[15-i], ((i-8)*8));
 for (i=12;i<16;i++) kd+=shl(digestBits[15-i], ((i-12)*8));
 s=hexa(kd)+hexa(kc)+hexa(kb)+hexa(ka);
 return s;
}




// Aurigma Image Uploader Dual 5.x Embedding Script 
// Version 2.0.4.0 Feb 20, 2008
// Copyright(c) Aurigma Inc. 2002-2008

function __Browser(){
	var a=navigator.userAgent.toLowerCase();
	this.isOpera=(a.indexOf("opera")!=-1);
	this.isKonq=(a.indexOf('konqueror')!=-1);
	this.isSafari=(a.indexOf('safari')!=-1)&&(a.indexOf('mac')!=-1);
	this.isKhtml=this.isSafari||this.isKonq;
	this.isIE=(a.indexOf("msie")!=-1)&&!this.isOpera;
	this.isWinIE=this.isIE;
	this.isCSS1Compat=(!this.isIE)||(document.compatMode&&document.compatMode=="CSS1Compat");
}

var __browser=new __Browser();

//Create set/get expando methods for ActiveX
function _createExpandoMethods(id){
	var o=document.getElementById(id);
	var props=new Array();
	var hasPaneItemApiElements=false;
	for (propName in o){
		var c=propName.charAt(0);
		if (c==c.toUpperCase()){
			props.push(propName);
			if (propName=="PaneItemDesign"){
				hasPaneItemApiElements=true;
			}
		}
	}
	for (i=0;i<props.length;i++){
		//Check whether property is indexed
		if (typeof(o[props[i]])=="unknown"){
			eval("o.set"+props[i]+"=function(i,v){this."+props[i]+"(i)=v;};");
			eval("o.get"+props[i]+"=function(i){return this."+props[i]+"(i);};");
		}
		else{
			eval("o.set"+props[i]+"=function(v){this."+props[i]+"=v};");
			eval("o.get"+props[i]+"=function(){return this."+props[i]+"};");
		}
	}
	if (hasPaneItemApiElements){
		eval("o.setPaneItemDesign = function(Pane, Index, Value){this.PaneItemDesign(Pane, Index) = Value;};");
		eval("o.getPaneItemDesign = function(Pane, Index){return this.PaneItemDesign(Pane, Index);};");		
		//eval("o.getPaneItemCount = function(Pane){return this.PaneItemCount(Pane);};");
		//eval("o.getPaneItemChecked = function(Index){return this.PaneItemChecked(Index);};");
		//eval("o.getPaneItemCanBeUploaded = function(Index){return this.PaneItemCanBeUploaded(Index);};");
		eval("o.getPaneItemSelected = function(Pane, Index){return this.PaneItemSelected(Pane, Index);};");
		eval("o.setPaneItemEnabled = function(Pane, Index, Value){this.PaneItemEnabled(Pane, Index) = Value;};");
		eval("o.getPaneItemEnabled = function(Pane, Index){return this.PaneItemEnabled(Pane, Index);};");
	}
}

//Installation instructions
function _addInstructions(obj){
	obj.instructionsEnabled=true;
	if (obj.controlClass=="FileDownloader"){
		obj.instructionsCommon="<p>File Downloader ActiveX control is necessary to download "+
			"files quickly and easily. You will be able to select required files "+
			"in a user-friendly interface and simply click a <strong>Download</strong> button. "+
			"Installation will take up to few minutes, please be patient. To install File Downloader, ";
		obj.instructionsNotWinXPSP2="please reload the page and click the <strong>Yes</strong> button " +
			"when you see the control installation dialog.";
		obj.instructionsWinXPSP2="please click the <strong>Information Bar</strong>. After page reload click <strong>Install</strong> when "+
			"you see the control installation dialog.";
		obj.instructionsVista = "please click on the <strong>Information Bar</strong> and select <strong>Install ActiveX Control</strong> "+
			"from the dropdown menu. After page reload click <strong>Continue</strong> and then <strong>Install</strong> when "+
			"you see the control installation dialog.";
		obj.instructionsCommon2="</p><p><strong>NOTE:</strong> If control fails to be installed, it may mean that it has been inserted to the page incorrectly. "+
			"Refer File Downloader documentation for more details.</p>";
	} else {
		obj.instructionsCommon="<p>Image Uploader ActiveX control is necessary to upload "+
			"your files quickly and easily. You will be able to select multiple images "+
			"in user-friendly interface instead of clumsy input fields with <strong>Browse</strong> button. "+
			"Installation will take up to few minutes, please be patient. To install Image Uploader, ";
		obj.instructionsNotWinXPSP2="please reload the page and click the <strong>Yes</strong> button " +
			"when you see the control installation dialog.";
		obj.instructionsWinXPSP2="please click on the <strong>Information Bar</strong> and select " +
			"<strong>Install ActiveX Control</strong> from the dropdown menu. After page reload click <strong>Install</strong> when "+
			"you see the control installation dialog.";
		obj.instructionsVista = "please click on the <strong>Information Bar</strong> and select <strong>Install ActiveX Control</strong> "+
			"from the dropdown menu. After page reload click <strong>Continue</strong> and then <strong>Install</strong> when "+
			"you see the control installation dialog.";
		obj.instructionsCommon2="</p>";
	}
}

function ControlWriter(id,width,height){
	//Private
	this._params=new Array();
	this._events=new Array();
	
	_addInstructions(this);

	this._getObjectParamHtml=function(name,value){
		return "<param name=\""+name+"\" value=\""+value+"\" />";
	}

	this._getObjectParamsHtml=function(){
		var r="";
		var p=this._params;
		var i;
		for (i=0;i<p.length;i++){
			r+=this._getObjectParamHtml(p[i].name,p[i].value);
		}
		return r;
	}

	this._getObjectEventsHtml=function(){
		var r="";
		var e=this._events;
		for (i=0;i<e.length;i++){
			r+=this._getObjectParamHtml(e[i].name+"Listener",e[i].listener);
		}
		return r;
	}

	this._getEmbedParamHtml=function(name,value){
		return " "+name+"=\""+value+"\"";	
	}

	this._getEmbedParamsHtml=function(){
		var r="";
		var p=this._params;
		var i;
		for (i=0;i<p.length;i++){
			r+=this._getEmbedParamHtml(p[i].name,p[i].value);
		}
		return r;
	}

	this._getEmbedEventsHtml=function(){
		var r="";
		var e=this._events;
		for (i=0;i<e.length;i++){
			r+=this._getEmbedParamHtml(e[i].name+"Listener",e[i].listener);
		}
		return r;
	}

	//Public

	//Properties
	this.id=id;
	this.width=width;
	this.height=height;

	this.activeXControlEnabled=true;
	this.activeXControlVersion="";

	this.javaAppletEnabled=true;
	this.javaAppletCodeBase="./";
	this.javaAppletCached=true;
	this.javaAppletVersion="";

	this.fullPageLoadListenerName=null;

	//Methods
	this.addParam=function(paramName,paramValue){
		var p=new Object();
		p.name=paramName;
		p.value=paramValue;
		this._params.push(p);
	}

	this.addEventListener=function(eventName,eventListener){
		try
	        {
        	    	eval("var checkListener = " + eventListener + ";");
	            	if (checkListener == null)
			{
				return;
        		}
	        }
        	catch (e)
	        {
        	    	return;
	        }
		var p=new Object();
		p.name=eventName;
		p.listener=eventListener;
		this._events.push(p);
	}

	this.getActiveXInstalled=function(){
		if (this.activeXProgId){
			try{
				var a=new ActiveXObject(this.activeXProgId);
				return true;
			}
			catch(e){
				return false;
			}
		}
		return false;
	}

	this.getHtml=function(){
		var r="";
		if (this.fullPageLoadListenerName){
			r+="<" + "script type=\"text/javascript\">";
			r+="var __"+this.id+"_pageLoaded=false;";
			r+="var __"+this.id+"_controlLoaded=false;";
			r+="function __fire_"+this.id+"_fullPageLoad(){";
			r+="if (__"+this.id+"_pageLoaded&&__"+this.id+"_controlLoaded){";
			r+=this.fullPageLoadListenerName + "();";
			r+="}";
			r+="}";
			var pageLoadCode="new Function(\"__"+this.id+"_pageLoaded=true;__fire_"+this.id+"_fullPageLoad();\")";
			if (__browser.isWinIE){
				r+="window.attachEvent(\"onload\","+pageLoadCode+");";
			}
			else{
				r+="var r=window.addEventListener?window:document.addEventListener?document:null;";
				r+="if (r){r.addEventListener(\"load\","+pageLoadCode+",false);}";
			}
			r+="<"+"/script>";
		}		

		//ActiveX control
		if(__browser.isWinIE&&this.activeXControlEnabled){
			var v=this.activeXControlVersion.replace(/\./g,",")
			var cb=this.activeXControlCodeBase+(v==""?"":"#version="+v);

			r+="<" + "script for=\""+this.id+"\" event=\"InitComplete()\">";
			r+="_createExpandoMethods(\""+this.id+"\");";
			if (this.fullPageLoadListenerName){
				r+="__"+this.id+"_controlLoaded=true;";
				r+="__fire_"+this.id+"_fullPageLoad();";
			}
			r+="<"+"/script>";

			r+="<object id=\""+this.id+"\" name=\""+this.id+"\" classid=\"clsid:"+this.activeXClassId+"\" codebase=\""+cb+"\" width=\""+this.width+"\" height=\""+this.height+"\">";
			if (this.instructionsEnabled){
				r+=this.instructionsCommon;
				var isXPSP2 = (window.navigator.userAgent.indexOf("SV1") != -1) || (window.navigator.userAgent.indexOf("MSIE 7.0") != -1);
				var isVista = (window.navigator.userAgent.indexOf("Windows NT 6.0") != -1) && (window.navigator.userAgent.indexOf("MSIE 7.0") != -1);
				if (isVista) {
					r+=this.instructionsVista;
					//r+=this.instructionsWinXPSP2;
				} else if (isXPSP2) {
					r+=this.instructionsWinXPSP2;
				}
				else{
					r+=this.instructionsNotWinXPSP2;
				}
				r+=this.instructionsCommon2;
			}
			r+=this._getObjectParamsHtml();
			r+="</object>";

			//Event handlers
			var e=this._events;
			var eventParams;
			for (i=0;i<e.length;i++){
				if (this.controlClass=="FileDownloader"){
					switch (e[i].name){
						case "DownloadComplete":
							eventParams="Value";
							break;
						case "DownloadItemComplete":
							eventParams="Result, ErrorPage, Url, FileName, ContentType, FileSize";
							break;
						case "DownloadStep":
							eventParams="Step";
							break;
						case "Progress":
							eventParams="PercentTotal, PercentCurrent, Index";
							break;
						case "Error":
							eventParams="ErrorCode, HttpErrorCode, ErrorPage, Url, Index";
							break;
						default:
							eventParams="";
					}
					r+="<script for=\""+this.id+"\" event=\""+e[i].name+"("+eventParams+")\">";
					r+=e[i].listener+"("+eventParams+");";
					r+="<"+"/script>";
				}
				else {
					switch (e[i].name){
						case "Progress":
							eventParams="Status, Progress, ValueMax, Value, StatusText";
							break;
						case "InnerComplete":
							eventParams="Status, StatusText";
							break;
						case "AfterUpload":
							eventParams="htmlPage";
							break;
						case "ViewChange":
						case "SortModeChange":
							eventParams="Pane";
							break;
						case "Error":
							eventParams="ErrorCode, HttpResponseCode, ErrorPage, AdditionalInfo";
							break;
						case "PackageBeforeUpload":
							eventParams = "PackageIndex";
						    	break;
						case "PackageError":
						    	eventParams = "PackageIndex, ErrorCode, HttpResponseCode, ErrorPage, AdditionalInfo";
						    	break;
						case "PackageComplete":
						    	eventParams = "PackageIndex, ResponsePage";
						    	break;
						case "PackageProgress":
						    	eventParams = "PackageIndex, Status, Progress, ValueMax, Value, StatusText";
						    	break;
						default:
							eventParams="";
					}
				}
				r+="<" + "script for=\""+this.id+"\" event=\""+e[i].name+"("+eventParams+")\">";
				if (e[i].name=="BeforeUpload" || e[i].name=="PackageComplete"){
					r+="return ";
				}
				r+=e[i].listener+"("+eventParams+");";
				r+="<"+"/script>";
			}

		}
		else 
		//Java appplet
		if(this.javaAppletEnabled){
			if (this.fullPageLoadListenerName){
				r+="<" + "script type=\"text/javascript\">";
				r+="function __"+this.id+"_InitComplete(){";
				r+="__"+this.id+"_controlLoaded=true;";
				r+="__fire_"+this.id+"_fullPageLoad();";
				r+="}";
				r+="<"+"/script>";
			}

			//<object> for IE and <applet> for Safari
			if (__browser.isWinIE||__browser.isKhtml){
				if (__browser.isWinIE){
					r+="<object id=\""+this.id+"\" classid=\"clsid:8AD9C840-044E-11D1-B3E9-00805F499D93\" codebase=\""+window.location.protocol+"//java.sun.com/update/1.4.2/jinstall-1_4-windows-i586.cab#Version=1,4,0,0\" width=\""+this.width+"\" height=\""+this.height+"\">";
				}
				else{
					r+="<applet id=\""+this.id+"\" code=\""+this.javaAppletClassName+"\" java_codebase=\"../\" align=\"baseline\" archive=\""+this.javaAppletJarFileName+"\" mayscript=\"true\" scriptable=\"true\" width=\""+this.width+"\" height=\""+this.height+"\">";
				}

				if (this.javaAppletCached&&this.javaAppletVersion!=""){
					r+=this._getObjectParamHtml("cache_archive",this.javaAppletJarFileName);
					var v=this.javaAppletVersion.replace(/\,/g,".");
					//r+=this._getObjectParamHtml("cache_version",v+","+v);
					r+=this._getObjectParamHtml("cache_version",v);
				}

				r+=this._getObjectParamHtml("id",this.id);
				r+=this._getObjectParamHtml("type","application/x-java-applet;version=1.4");
				r+=this._getObjectParamHtml("codebase",this.javaAppletCodeBase);
				r+=this._getObjectParamHtml("archive",this.javaAppletJarFileName);
				r+=this._getObjectParamHtml("code",this.javaAppletClassName);
				r+=this._getObjectParamHtml("scriptable","true");
				r+=this._getObjectParamHtml("mayscript","true");

				r+=this._getObjectParamsHtml();

				r+=this._getObjectEventsHtml();

				if (this.fullPageLoadListenerName){
					r+=this._getObjectParamHtml("InitCompleteListener","__"+this.id+"_InitComplete");
				}
				if (__browser.isWinIE){
					r+="</object>";
				}
				else{
					r+="</applet>";
				}
			}
			//<embed> for all other browsers
			else{
				r+="<embed id=\""+this.id+"\" type=\"application/x-java-applet;version=1.4\" codebase=\""+this.javaAppletCodeBase+"\" code=\""+this.javaAppletClassName+"\" archive=\""+this.javaAppletJarFileName+"\" width=\""+this.width+"\" height=\""+this.height+"\" scriptable=\"true\" mayscript=\"true\" pluginspage=\""+window.location.protocol+"//java.sun.com/products/plugin/index.html#download\"";

				if (this.javaAppletCached&&this.javaAppletVersion!=""){
					r+=this._getEmbedParamHtml("cache_archive",this.javaAppletJarFileName);
					var v=this.javaAppletVersion.replace(/\,/g,".");
					//r+=this._getEmbedParamHtml("cache_version",v+","+v);
					r+=this._getEmbedParamHtml("cache_version",v);
				}

				r+=this._getEmbedParamsHtml();

				r+=this._getEmbedEventsHtml();

				if (this.fullPageLoadListenerName){
					r+=this._getEmbedParamHtml("InitCompleteListener","__"+this.id+"_InitComplete");
				}
				r+=">";
				r+="</embed>";
			}
		}
		else
		{
			r+="Your browser is not supported.";
		}
		
		//For backward compatibility
		this.controlType=this.getControlType();
			
		return r;
	}

	this.getControlType=function(){
		return (__browser.isWinIE&&this.activeXControlEnabled)?"ActiveX":(this.javaAppletEnabled?"Java":"None");
	}
	
	this.writeHtml=function(){
		document.write(this.getHtml());
	}
}

function ImageUploaderWriter(id,width,height){
	this._base=ControlWriter;
	this._base(id,width,height);
	//These properties should be modified for private-label versions only
	this.activeXControlCodeBase="ImageUploader5.cab";
	this.activeXClassId="5D637FAD-E202-48D1-8F18-5B9C459BD1E3";
	this.activeXProgId="Aurigma.ImageUploaderEx.5";
	this.javaAppletJarFileName="ImageUploader5.jar";
	this.javaAppletClassName="com.aurigma.imageuploader.ImageUploader.class";

	//Extend
	this.showNonemptyResponse="off";
	this._getHtml=this.getHtml;
	this.getHtml=function(){
		var r="";
		if (this.showNonemptyResponse!="off"){
			r+="<" + "script type=\"text/javascript\">";
			r+="function __"+this.id+"_InnerComplete(Status,StatusText){";
			r+="if (new String(Status)==\"COMPLETE\" && new String(StatusText).replace(/\\s*/g,\"\")!=\"\"){";
			if (this.showNonemptyResponse=="dump"){
				r+="var f=document.createElement(\"fieldset\");";
				r+="var l=f.appendChild(document.createElement(\"legend\"));";
				r+="l.appendChild(document.createTextNode(\"Server Response\"));";
				r+="var d=f.appendChild(document.createElement(\"div\"));";
				r+="d.innerHTML=StatusText;";
				r+="var b=f.appendChild(document.createElement(\"button\"));";
				r+="b.appendChild(document.createTextNode(\"Clear Server Response\"));";
				r+="b.onclick=function(){var f=this.parentNode;f.parentNode.removeChild(f)};";
				r+="document.body.appendChild(f);";
			}
			else{
				var s="";
				for (var i=0;i<80;i++){s+="-";}
				r+="alert(\""+s+"\\r\\nServer Response\\r\\n"+s+"\\r\\n\"+StatusText);";
			}
			r+="}";
			r+="}";
			r+="<"+"/script>";
			this.addEventListener("InnerComplete","__"+this.id+"_InnerComplete");
		}
		return r+this._getHtml();
	}
}

function ThumbnailWriter(id,width,height){
	this._base=ControlWriter;
	this._base(id,width,height);
	//These properties should be modified for private label versions only
	this.activeXControlCodeBase="ImageUploader5.cab";
	this.activeXClassId="83AC1413-FCE4-4A46-9DD5-4F31F306E71F";
	this.activeXProgId="Aurigma.ThumbnailEx.5";
	this.javaAppletJarFileName="ImageUploader5.jar";
	this.javaAppletClassName="com.aurigma.imageuploader.Thumbnail.class";
}

function ShellComboBoxWriter(id,width,height){
	this._base=ControlWriter;
	this._base(id,width,height);
	//These properties should be modified for private label versions only
	this.activeXControlCodeBase="ImageUploader5.cab";
	this.activeXClassId="3BF72F68-72D8-461D-A884-329D936C5581";
	this.activeXProgId="Aurigma.ShellComboEx.5";
	this.javaAppletJarFileName="ImageUploader5.jar";
	this.javaAppletClassName="com.aurigma.imageuploader.ShellComboBox.class";
}

function UploadPaneWriter(id,width,height){
	this._base=ControlWriter;
	this._base(id,width,height);
	//These properties should be modified for private label versions only
	this.activeXControlCodeBase="ImageUploader5.cab";
	this.activeXClassId="78E9D883-93CD-4072-BEF3-38EE581E2839";
	this.activeXProgId="Aurigma.UploadPaneEx.5";
	this.javaAppletJarFileName="ImageUploader5.jar";
	this.javaAppletClassName="com.aurigma.imageuploader.UploadPane.class";
}

function FileDownloaderWriter(id,width,height){
	this._base=ControlWriter;
	this._base(id,width,height);
	//These properties should be modified for private label versions only
	this.activeXControlCodeBase="FileDownloader2.cab";
	this.activeXClassId="AAB58191-AFBE-4366-93FD-1E45F7C97FA0";
	this.activeXProgId="Aurigma.FileDownloader.2";
	this.javaAppletEnabled=false;
	this.controlClass="FileDownloader";
}

function getControlObject(id){
	if (__browser.isSafari){
		return document[id];
	}
	else{
		return document.getElementById(id);
	}
}

function getImageUploader(id){
	return getControlObject(id);
}

function getFileDownloader(id){
	return getControlObject(id);
}


/**
 *                                                        ____   _____
 *  Dynarch Calendar -- JSCal2, version 1.7               \  /_  /   /
 *  Built at 2009/07/16 08:37 GMT                          \  / /   /
 *                                                          \/ /_  /
 *  (c) Dynarch.com 2009                                     \  / /
 *  All rights reserved.                                       / /
 *  Visit www.dynarch.com/projects/calendar for details        \/
 *
 */
Calendar=(function(){function y(at){at=at||{};this.args=at=al(at,{animation:!c,cont:null,bottomBar:true,date:true,fdow:aq("fdow"),min:null,max:null,reverseWheel:false,selection:[],selectionType:y.SEL_SINGLE,weekNumbers:false,align:"Bl/ / /T/r",inputField:null,trigger:null,dateFormat:"%Y-%m-%d",opacity:j?1:3,titleFormat:"%b %Y",showTime:false,timePos:"right",time:true,minuteStep:5,disabled:ad,dateInfo:ad,onChange:ad,onSelect:ad,onTimeChange:ad,onFocus:ad,onBlur:ad});this.handlers={};var P=this,D=new Date();at.min=Y(at.min);at.max=Y(at.max);if(at.date===true){at.date=D}if(at.time===true){at.time=D.getHours()*100+Math.floor(D.getMinutes()/at.minuteStep)*at.minuteStep}this.date=Y(at.date);this.time=at.time;this.fdow=at.fdow;m("onChange onSelect onTimeChange onFocus onBlur".split(/\s+/),function(av){var au=at[av];if(!(au instanceof Array)){au=[au]}P.handlers[av]=au});this.selection=new y.Selection(at.selection,at.selectionType,R,this);var ar=K.call(this);if(at.cont){W(at.cont).appendChild(ar)}if(at.trigger){this.manageFields(at.trigger,at.inputField,at.dateFormat)}}var S=navigator.userAgent,s=/opera/i.test(S),ai=/Konqueror|Safari|KHTML/i.test(S),j=/msie/i.test(S)&&!s&&!(/mac_powerpc/i.test(S)),c=j&&/msie 6/i.test(S),x=/gecko/i.test(S)&&!ai&&!s&&!j,l=y.prototype,q=y.I18N={};y.SEL_NONE=0;y.SEL_SINGLE=1;y.SEL_MULTIPLE=2;y.SEL_WEEK=3;y.dateToInt=V;y.intToDate=B;y.printDate=ab;y.formatString=k;y.i18n=aq;y.LANG=function(P,D,ar){q.__=q[P]={name:D,data:ar}};y.setup=function(D){return new y(D)};l.moveTo=function(aG,aD){aG=Y(aG);var aC=af(aG,this.date,true),au,az=this.args,aH=az.min&&af(aG,az.min),aI=az.max&&af(aG,az.max);if(!az.animation){aD=false}ae(aH!=null&&aH<=1,[this.els.navPrevMonth,this.els.navPrevYear],"DynarchCalendar-navDisabled");ae(aI!=null&&aI>=-1,[this.els.navNextMonth,this.els.navNextYear],"DynarchCalendar-navDisabled");if(aH<-1){aG=az.min;au=1;aC=0}if(aI>1){aG=az.max;au=2;aC=0}this.date=aG;this.refresh(!!aD);this.callHooks("onChange",this,aG,aD);if(aD&&!(aC==0&&aD==2)){if(this._bodyAnim){this._bodyAnim.stop()}var aw=this.els.body,ax=G("div","DynarchCalendar-animBody-"+U[aC],aw),aF=aw.firstChild,av=am(aF)||0.7,ay=au?Z.brakes:aC==0?Z.shake:Z.accel_ab2,aE=aC*aC>4,ar=aE?aF.offsetTop:aF.offsetLeft,aB=ax.style,aA=aE?aw.offsetHeight:aw.offsetWidth;if(aC<0){aA+=ar}else{if(aC>0){aA=ar-aA}else{aA=Math.round(aA/7);if(au==2){aA=-aA}}}if(!au&&aC!=0){var P=ax.cloneNode(true),D=P.style,at=2*aA;P.appendChild(aF.cloneNode(true));D[aE?"marginTop":"marginLeft"]=aA+"px";aw.appendChild(P)}aF.style.visibility="hidden";ax.innerHTML=ac(this);this._bodyAnim=ap({onUpdate:v(function(aK,aM){var aL=ay(aK);if(P){var aJ=aM(aL,aA,at)+"px"}if(au){aB[aE?"marginTop":"marginLeft"]=aM(aL,aA,0)+"px"}else{if(aE||aC==0){aB.marginTop=aM(aC==0?ay(aK*aK):aL,0,aA)+"px";if(aC!=0){D.marginTop=aJ}}if(!aE||aC==0){aB.marginLeft=aM(aL,0,aA)+"px";if(aC!=0){D.marginLeft=aJ}}}if(this.args.opacity>2&&P){am(P,1-aL);am(ax,aL)}},this),onStop:v(function(aJ){aw.innerHTML=ac(this,aG);this._bodyAnim=null},this)})}this._lastHoverDate=null;return aH>=-1&&aI<=1};l.isDisabled=function(D){var P=this.args;return(P.min&&af(D,P.min)<0)||(P.max&&af(D,P.max)>0)||P.disabled(D)};l.toggleMenu=function(){u(this,!this._menuVisible)};l.refresh=function(D){var P=this.els;if(!D){P.body.innerHTML=ac(this)}P.title.innerHTML=F(this);P.yearInput.value=this.date.getFullYear()};l.redraw=function(){var D=this.els;this.refresh();D.dayNames.innerHTML=h(this);D.menu.innerHTML=ak(this);if(D.bottomBar){D.bottomBar.innerHTML=H(this)}t(D.topCont,v(function(ar){var P=r[ar.className];if(P){D[P]=ar}if(ar.className=="DynarchCalendar-menu-year"){p(ar,this._focusEvents);D.yearInput=ar}else{if(j){ar.setAttribute("unselectable","on")}}},this));this.setTime(null,true)};l.setLanguage=function(D){var P=y.setLanguage(D);if(P){this.fdow=P.data.fdow;this.redraw()}};y.setLanguage=function(D){var P=q[D];if(P){q.__=P}return P};l.focus=function(){try{this.els[this._menuVisible?"yearInput":"focusLink"].focus()}catch(D){}i.call(this)};l.blur=function(){this.els.focusLink.blur();this.els.yearInput.blur();z.call(this)};l.showAt=function(P,ax,av){if(this._showAnim){this._showAnim.stop()}av=av&&this.args.animation;var aw=this.els.topCont,ar=this,D=this.els.body.firstChild,au=D.offsetHeight,at=aw.style;at.position="absolute";at.left=P+"px";at.top=ax+"px";at.zIndex=10000;at.display="";if(av){D.style.marginTop=-au+"px";this.args.opacity>1&&am(aw,0);this._showAnim=ap({onUpdate:function(ay,az){D.style.marginTop=-az(Z.accel_b(ay),au,0)+"px";ar.args.opacity>1&&am(aw,ay)},onStop:function(){ar.args.opacity>1&&am(aw,"");ar._showAnim=null}})}};l.hide=function(){var at=this.els.topCont,P=this,D=this.els.body.firstChild,ar=D.offsetHeight,au=J(at).y;if(this.args.animation){if(this._showAnim){this._showAnim.stop()}this._showAnim=ap({onUpdate:function(av,aw){P.args.opacity>1&&am(at,1-av);D.style.marginTop=-aw(Z.accel_b(av),0,ar)+"px";at.style.top=aw(Z.accel_ab(av),au,au-10)+"px"},onStop:function(){at.style.display="none";D.style.marginTop="";P.args.opacity>1&&am(at,"");P._showAnim=null}})}else{at.style.display="none"}this.inputField=null};l.popup=function(D,at){D=W(D);if(!at){at=this.args.align}at=at.split(/\x2f/);var ar=J(D),aw=this.els.topCont,ay=aw.style,au,ax=X();ay.visibility="hidden";ay.display="";this.showAt(0,0);document.body.appendChild(aw);au={x:aw.offsetWidth,y:aw.offsetHeight};function P(az){var aA={x:av.x,y:av.y};if(!az){return aA}if(/B/.test(az)){aA.y+=D.offsetHeight}if(/b/.test(az)){aA.y+=D.offsetHeight-au.y}if(/T/.test(az)){aA.y-=au.y}if(/l/.test(az)){aA.x-=au.x-D.offsetWidth}if(/L/.test(az)){aA.x-=au.x}if(/R/.test(az)){aA.x+=D.offsetWidth}if(/c/i.test(az)){aA.x+=(D.offsetWidth-au.x)/2}if(/m/i.test(az)){aA.y+=(D.offsetHeight-au.y)/2}return aA}var av=ar;av=P(at[0]);if(av.y<ax.y){av.y=ar.y;av=P(at[1])}if(av.x+au.x>ax.x+ax.w){av.x=ar.x;av=P(at[2])}if(av.y+au.y>ax.y+ax.h){av.y=ar.y;av=P(at[3])}if(av.x<ax.x){av.x=ar.x;av=P(at[4])}this.showAt(av.x,av.y,true);ay.visibility="";this.focus()};l.manageFields=function(ar,P,D){P=W(P);p(W(ar),"click",v(function(){this.inputField=P;this.dateFormat=D;if(this.selection.type==y.SEL_SINGLE){var aw,av,au,at;aw=/input|textarea/i.test(P.tagName)?P.value:(P.innerText||P.textContent);if(aw){av=/(^|[^%])%[bBmo]/.exec(D);au=/(^|[^%])%[de]/.exec(D);if(av&&au){at=av.index<au.index}aw=Calendar.parseDate(aw,at);if(aw){this.moveTo(aw);this.selection.set(aw,false,true)}}}this.popup(ar)},this))};l.callHooks=function(ar){var at=b(arguments,1),D=this.handlers[ar],P=0;for(;P<D.length;++P){D[P].apply(this,at)}};l.addEventListener=function(P,D){this.handlers[P].push(D)};l.removeEventListener=function(at,ar){var D=this.handlers[at],P=D.length;while(--P>=0){if(D[P]===ar){D.splice(P,1)}}};l.getTime=function(){return this.time};l.setTime=function(au,P){if(this.args.showTime){au=this.time=au!=null?au:this.time;var ar=this.getHours(),D=this.getMinutes(),at=ar<12;if(this.args.showTime==12){if(ar==0){ar=12}if(ar>12){ar-=12}this.els.timeAM.innerHTML=aq(at?"AM":"PM")}if(ar<10){ar="0"+ar}if(D<10){D="0"+D}this.els.timeHour.innerHTML=ar;this.els.timeMinute.innerHTML=D;if(!P){this.callHooks("onTimeChange",this,au)}}};l.getHours=function(){return Math.floor(this.time/100)};l.getMinutes=function(){return this.time%100};l.setHours=function(D){if(D<0){D+=24}this.setTime(100*(D%24)+this.time%100)};l.setMinutes=function(D){if(D<0){D+=60}this.setTime(100*this.getHours()+(D%60))};l._getInputYear=function(){var D=parseInt(this.els.yearInput.value,10);if(isNaN(D)){D=this.date.getFullYear()}return D};l._showTooltip=function(D){var P="",at,ar=this.els.tooltip;if(D){D=B(D);at=this.args.dateInfo(D);if(at&&at.tooltip){P="<div class='DynarchCalendar-tooltipCont'>"+ab(D,at.tooltip)+"</div>"}}ar.innerHTML=P};var ah=" align='center' cellspacing='0' cellpadding='0'";function h(D){var ar=["<table",ah,"><tr>"],P=0;if(D.args.weekNumbers){ar.push("<td><div class='DynarchCalendar-weekNumber'>",aq("wk"),"</div></td>")}while(P<7){var at=(P+++D.fdow)%7;ar.push("<td><div",aq("weekend").indexOf(at)>=0?" class='DynarchCalendar-weekend'>":">",aq("sdn")[at],"</div></td>")}ar.push("</tr></table>");return ar.join("")}function ac(aw,aG,aD){aG=aG||aw.date;aD=aD||aw.fdow;aG=new Date(aG);var aI=aG.getMonth(),av=[],aA=0,D=aw.args.weekNumbers;aG.setDate(1);var az=(aG.getDay()-aD)%7;if(az<0){az+=7}aG.setDate(-az);aG.setDate(aG.getDate()+1);var aE=new Date(),at=aE.getDate(),P=aE.getMonth(),aJ=aE.getFullYear();av[aA++]="<table class='DynarchCalendar-bodyTable'"+ah+">";for(var aC=0;aC<6;++aC){av[aA++]="<tr class='DynarchCalendar-week";if(aC==0){av[aA++]=" DynarchCalendar-first-row"}if(aC==5){av[aA++]=" DynarchCalendar-last-row"}av[aA++]="'>";if(D){av[aA++]="<td class='DynarchCalendar-first-col'><div class='DynarchCalendar-weekNumber'>"+a(aG)+"</div></td>"}for(var aB=0;aB<7;++aB){var aF=aG.getDate(),ay=aG.getMonth(),au=aG.getFullYear(),ar=10000*au+100*(ay+1)+aF,aH=aw.selection.isSelected(ar),ax=aw.isDisabled(aG);av[aA++]="<td class='";if(aB==0&&!D){av[aA++]=" DynarchCalendar-first-col"}if(aB==0&&aC==0){aw._firstDateVisible=ar}if(aB==6){av[aA++]=" DynarchCalendar-last-col";if(aC==5){aw._lastDateVisible=ar}}if(aH){av[aA++]=" DynarchCalendar-td-selected"}av[aA++]="'><div dyc-type='date' unselectable='on' dyc-date='"+ar+"' ";if(ax){av[aA++]="disabled='1' "}av[aA++]="class='DynarchCalendar-day";if(aq("weekend").indexOf(aG.getDay())>=0){av[aA++]=" DynarchCalendar-weekend"}if(ay!=aI){av[aA++]=" DynarchCalendar-day-othermonth"}if(aF==at&&ay==P&&au==aJ){av[aA++]=" DynarchCalendar-day-today"}if(ax){av[aA++]=" DynarchCalendar-day-disabled"}if(aH){av[aA++]=" DynarchCalendar-day-selected"}ax=aw.args.dateInfo(aG);if(ax&&ax.klass){av[aA++]=" "+ax.klass}av[aA++]="'>"+aF+"</div></td>";aG.setDate(aF+1)}av[aA++]="</tr>"}av[aA++]="</table>";return av.join("")}function n(D){var P=["<table class='DynarchCalendar-topCont'",ah,"><tr><td><div class='DynarchCalendar'>",!j?"<button class='DynarchCalendar-focusLink'></button>":"<a class='DynarchCalendar-focusLink' href='#'></a>","<div class='DynarchCalendar-topBar'><div dyc-type='nav' dyc-btn='-Y' dyc-cls='hover-navBtn,pressed-navBtn' class='DynarchCalendar-navBtn DynarchCalendar-prevYear'><div></div></div><div dyc-type='nav' dyc-btn='+Y' dyc-cls='hover-navBtn,pressed-navBtn' class='DynarchCalendar-navBtn DynarchCalendar-nextYear'><div></div></div><div dyc-type='nav' dyc-btn='-M' dyc-cls='hover-navBtn,pressed-navBtn' class='DynarchCalendar-navBtn DynarchCalendar-prevMonth'><div></div></div><div dyc-type='nav' dyc-btn='+M' dyc-cls='hover-navBtn,pressed-navBtn' class='DynarchCalendar-navBtn DynarchCalendar-nextMonth'><div></div></div><table class='DynarchCalendar-titleCont'",ah,"><tr><td><div dyc-type='title' dyc-btn='menu' dyc-cls='hover-title,pressed-title' 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ar=G("div"),P=this.els={},D={mousedown:v(I,this,true),mouseup:v(I,this,false),mouseover:v(T,this,true),mouseout:v(T,this,false),keypress:v(L,this)};D[x?"DOMMouseScroll":"mousewheel"]=v(E,this);if(j){D.dblclick=D.mousedown;D.keydown=D.keypress}ar.innerHTML=n(this);t(ar.firstChild,function(au){var at=r[au.className];if(at){P[at]=au}if(j){au.setAttribute("unselectable","on")}});p(P.main,D);p([P.focusLink,P.yearInput],this._focusEvents={focus:v(i,this),blur:v(e,this)});this.moveTo(this.date,false);this.setTime(null,true);return P.topCont}function i(){if(this._bluringTimeout){clearTimeout(this._bluringTimeout)}this.focused=true;M(this.els.main,"DynarchCalendar-focused");this.callHooks("onFocus",this)}function z(){this.focused=false;aj(this.els.main,"DynarchCalendar-focused");if(this._menuVisible){u(this,false)}if(!this.args.cont){this.hide()}this.callHooks("onBlur",this)}function e(){this._bluringTimeout=setTimeout(v(z,this),50)}function 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at=ar.els.menu;if(c){at.style.height=ar.els.main.offsetHeight+"px"}if(!ar.args.animation){O(at,P);if(ar.focused){ar.focus()}}else{if(ar._menuAnim){ar._menuAnim.stop()}var D=ar.els.main.offsetHeight;if(c){at.style.width=ar.els.topBar.offsetWidth+"px"}if(P){at.firstChild.style.marginTop=-D+"px";ar.args.opacity>0&&am(at,0);O(at,true)}ar._menuAnim=ap({onUpdate:function(au,av){at.firstChild.style.marginTop=av(Z.accel_b(au),-D,0,!P)+"px";ar.args.opacity>0&&am(at,av(Z.accel_b(au),0,0.85,!P))},onStop:function(){ar.args.opacity>0&&am(at,0.85);at.firstChild.style.marginTop="";ar._menuAnim=null;if(!P){O(at,false);if(ar.focused){ar.focus()}}}})}}function I(az,ay){ay=ay||window.event;var au=o(ay);if(au&&!au.getAttribute("disabled")){var D=au.getAttribute("dyc-btn"),ax=au.getAttribute("dyc-type"),av=au.getAttribute("dyc-date"),at=this.selection,ar,P={mouseover:an,mousemove:an,mouseup:function(aC){var 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var soundManager=null;function SoundManager(b,a){this.flashVersion=9;this.debugMode=false;this.useConsole=false;this.consoleOnly=false;this.waitForWindowLoad=false;this.nullURL="null.mp3";this.allowPolling=true;this.useMovieStar=false;this.bgColor="#ffffff";this.useHighPerformance=false;this.flashLoadTimeout=750;this.wmode=null;this.allowFullScreen=true;this.defaultOptions={autoLoad:false,stream:true,autoPlay:false,onid3:null,onload:null,whileloading:null,onplay:null,onpause:null,onresume:null,whileplaying:null,onstop:null,onfinish:null,onbeforefinish:null,onbeforefinishtime:5000,onbeforefinishcomplete:null,onjustbeforefinish:null,onjustbeforefinishtime:200,multiShot:true,position:null,pan:0,volume:100};this.flash9Options={isMovieStar:null,usePeakData:false,useWaveformData:false,useEQData:false,onbufferchange:null,ondataerror:null};this.movieStarOptions={onmetadata:null,useVideo:false,bufferTime:null};var f=null;var e=this;this.version=null;this.versionNumber="V2.95a.20090501";this.movieURL=null;this.url='/tools/soundmanager2/';this.altURL=null;this.swfLoaded=false;this.enabled=false;this.o=null;this.id=(a||"sm2movie");this.oMC=null;this.sounds={};this.soundIDs=[];this.muted=false;this.isFullScreen=false;this.isIE=(navigator.userAgent.match(/MSIE/i));this.isSafari=(navigator.userAgent.match(/safari/i));this.isGecko=(navigator.userAgent.match(/gecko/i));this.debugID="soundmanager-debug";this.specialWmodeCase=false;this._debugOpen=true;this._didAppend=false;this._appendSuccess=false;this._didInit=false;this._disabled=false;this._windowLoaded=false;this._hasConsole=(typeof console!="undefined"&&typeof console.log!="undefined");this._debugLevels=["log","info","warn","error"];this._defaultFlashVersion=8;this._oRemoved=null;this._oRemovedHTML=null;var g=function(h){return document.getElementById(h)};this.filePatterns={flash8:/\.mp3(\?.*)?$/i,flash9:/\.mp3(\?.*)?$/i};this.netStreamTypes=["aac","flv","mov","mp4","m4v","f4v","m4a","mp4v","3gp","3g2"];this.netStreamPattern=new RegExp("\\.("+this.netStreamTypes.join("|")+")(\\?.*)?$","i");this.filePattern=null;this.features={buffering:false,peakData:false,waveformData:false,eqData:false,movieStar:false};this.sandbox={type:null,types:{remote:"remote (domain-based) rules",localWithFile:"local with file access (no internet access)",localWithNetwork:"local with network (internet access only, no local access)",localTrusted:"local, trusted (local + internet access)"},description:null,noRemote:null,noLocal:null};this._setVersionInfo=function(){if(e.flashVersion!=8&&e.flashVersion!=9){alert('soundManager.flashVersion must be 8 or 9. "'+e.flashVersion+'" is invalid. Reverting to '+e._defaultFlashVersion+".");e.flashVersion=e._defaultFlashVersion}e.version=e.versionNumber+(e.flashVersion==9?" (AS3/Flash 9)":" (AS2/Flash 8)");if(e.flashVersion>8){e.defaultOptions=e._mergeObjects(e.defaultOptions,e.flash9Options);e.features.buffering=true}if(e.flashVersion>8&&e.useMovieStar){e.defaultOptions=e._mergeObjects(e.defaultOptions,e.movieStarOptions);e.filePatterns.flash9=new RegExp("\\.(mp3|"+e.netStreamTypes.join("|")+")(\\?.*)?$","i");e.features.movieStar=true}else{e.useMovieStar=false;e.features.movieStar=false}e.filePattern=e.filePatterns[(e.flashVersion!=8?"flash9":"flash8")];e.movieURL=(e.flashVersion==8?"soundmanager2.swf":"soundmanager2_flash9.swf");e.features.peakData=e.features.waveformData=e.features.eqData=(e.flashVersion>8)};this._overHTTP=(document.location?document.location.protocol.match(/http/i):null);this._waitingforEI=false;this._initPending=false;this._tryInitOnFocus=(this.isSafari&&typeof document.hasFocus=="undefined");this._isFocused=(typeof document.hasFocus!="undefined"?document.hasFocus():null);this._okToDisable=!this._tryInitOnFocus;this.useAltURL=!this._overHTTP;var d="http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04.html";this.strings={notReady:"Not loaded yet",appXHTML:"appendChild/innerHTML set failed."};this.supported=function(){return(e._didInit&&!e._disabled)};this.getMovie=function(h){return e.isIE?window[h]:(e.isSafari?g(h)||document[h]:g(h))};this.loadFromXML=function(h){try{e.o._loadFromXML(h)}catch(i){e._failSafely();return true}};this.createSound=function(i){if(arguments.length==2){i={id:arguments[0],url:arguments[1]}}var j=e._mergeObjects(i);var h=j;if(e._idCheck(h.id,true)){return e.sounds[h.id]}if(e.flashVersion>8&&e.useMovieStar){if(h.isMovieStar===null){h.isMovieStar=(h.url.match(e.netStreamPattern)?true:false)}if(h.isMovieStar){}if(h.isMovieStar&&(h.usePeakData||h.useWaveformData||h.useEQData)){h.usePeakData=false;h.useWaveformData=false;h.useEQData=false}}e.sounds[h.id]=new f(h);e.soundIDs[e.soundIDs.length]=h.id;if(e.flashVersion==8){e.o._createSound(h.id,h.onjustbeforefinishtime)}else{e.o._createSound(h.id,h.url,h.onjustbeforefinishtime,h.usePeakData,h.useWaveformData,h.useEQData,h.isMovieStar,(h.isMovieStar?h.useVideo:false),(h.isMovieStar?h.bufferTime:false))}if(h.autoLoad||h.autoPlay){if(e.sounds[h.id]){e.sounds[h.id].load(h)}}if(h.autoPlay){e.sounds[h.id].play()}return e.sounds[h.id]};this.createVideo=function(h){if(arguments.length==2){h={id:arguments[0],url:arguments[1]}}if(e.flashVersion>=9){h.isMovieStar=true;h.useVideo=true}else{return false}if(!e.useMovieStar){}return e.createSound(h)};this.destroySound=function(j,h){if(!e._idCheck(j)){return false}for(var k=0;k<e.soundIDs.length;k++){if(e.soundIDs[k]==j){e.soundIDs.splice(k,1);continue}}e.sounds[j].unload();if(!h){e.sounds[j].destruct()}delete e.sounds[j]};this.destroyVideo=this.destroySound;this.load=function(h,i){if(!e._idCheck(h)){return false}e.sounds[h].load(i)};this.unload=function(h){if(!e._idCheck(h)){return false}e.sounds[h].unload()};this.play=function(h,i){if(!e._idCheck(h)){if(typeof i!="Object"){i={url:i}}if(i&&i.url){i.id=h;e.createSound(i)}else{return false}}e.sounds[h].play(i)};this.start=this.play;this.setPosition=function(h,i){if(!e._idCheck(h)){return false}e.sounds[h].setPosition(i)};this.stop=function(h){if(!e._idCheck(h)){return false}e.sounds[h].stop()};this.stopAll=function(){for(var h in e.sounds){if(e.sounds[h] instanceof f){e.sounds[h].stop()}}};this.pause=function(h){if(!e._idCheck(h)){return false}e.sounds[h].pause()};this.pauseAll=function(){for(var h=e.soundIDs.length;h--;){e.sounds[e.soundIDs[h]].pause()}};this.resume=function(h){if(!e._idCheck(h)){return false}e.sounds[h].resume()};this.resumeAll=function(){for(var h=e.soundIDs.length;h--;){e.sounds[e.soundIDs[h]].resume()}};this.togglePause=function(h){if(!e._idCheck(h)){return false}e.sounds[h].togglePause()};this.setPan=function(h,i){if(!e._idCheck(h)){return false}e.sounds[h].setPan(i)};this.setVolume=function(i,h){if(!e._idCheck(i)){return false}e.sounds[i].setVolume(h)};this.mute=function(h){if(typeof h!="string"){h=null}if(!h){for(var j=e.soundIDs.length;j--;){e.sounds[e.soundIDs[j]].mute()}e.muted=true}else{if(!e._idCheck(h)){return false}e.sounds[h].mute()}};this.muteAll=function(){e.mute()};this.unmute=function(h){if(typeof h!="string"){h=null}if(!h){for(var j=e.soundIDs.length;j--;){e.sounds[e.soundIDs[j]].unmute()}e.muted=false}else{if(!e._idCheck(h)){return false}e.sounds[h].unmute()}};this.unmuteAll=function(){e.unmute()};this.getMemoryUse=function(){if(e.flashVersion==8){return 0}if(e.o){return parseInt(e.o._getMemoryUse(),10)}};this.setPolling=function(h){if(!e.o||!e.allowPolling){return false}e.o._setPolling(h)};this.disable=function(j){if(typeof j=="undefined"){j=false}if(e._disabled){return false}e._disabled=true;for(var h=e.soundIDs.length;h--;){e._disableObject(e.sounds[e.soundIDs[h]])}e.initComplete(j)};this.canPlayURL=function(h){return(h?(h.match(e.filePattern)?true:false):null)};this.getSoundById=function(i,j){if(!i){throw new Error("SoundManager.getSoundById(): sID is null/undefined")}var h=e.sounds[i];if(!h&&!j){}return h};this.onload=function(){soundManager._wD("Warning: soundManager.onload() is undefined.",2)};this.onerror=function(){};this._idCheck=this.getSoundById;this._complain=function(h,i){};var c=function(){return false};c._protected=true;this._disableObject=function(i){for(var h in i){if(typeof i[h]=="function"&&typeof i[h]._protected=="undefined"){i[h]=c}}h=null};this._failSafely=function(h){if(typeof h=="undefined"){h=false}if(!e._disabled||h){e.disable(h)}};this._normalizeMovieURL=function(h){var i=null;if(h){if(h.match(/\.swf(\?.*)?$/i)){i=h.substr(h.toLowerCase().lastIndexOf(".swf?")+4);if(i){return h}}else{if(h.lastIndexOf("/")!=h.length-1){h=h+"/"}}}return(h&&h.lastIndexOf("/")!=-1?h.substr(0,h.lastIndexOf("/")+1):"./")+e.movieURL};this._getDocument=function(){return(document.body?document.body:(document.documentElement?document.documentElement:document.getElementsByTagName("div")[0]))};this._getDocument._protected=true;this._createMovie=function(y,n){if(e._didAppend&&e._appendSuccess){return false}if(window.location.href.indexOf("debug=1")+1){e.debugMode=true}e._didAppend=true;e._setVersionInfo();var w=(n?n:e.url);var r=(e.altURL?e.altURL:w);e.url=e._normalizeMovieURL(e._overHTTP?w:r);n=e.url;var t=null;if(e.useHighPerformance&&e.useMovieStar&&e.defaultOptions.useVideo===true){t="soundManager note: disabling highPerformance, not applicable with movieStar mode + useVideo";e.useHighPerformance=false}e.wmode=(!e.wmode&&e.useHighPerformance&&!e.useMovieStar?"transparent":e.wmode);if(e.wmode!==null&&e.flashLoadTimeout!==0&&!e.useHighPerformance&&!e.isIE&&navigator.platform.match(/win32/i)){e.specialWmodeCase=true;e.wmode=null}if(e.flashVersion==8){e.allowFullScreen=false}var A={name:y,id:y,src:n,width:"100%",height:"100%",quality:"high",allowScriptAccess:"always",bgcolor:e.bgColor,pluginspage:"http://www.macromedia.com/go/getflashplayer",type:"application/x-shockwave-flash",wmode:e.wmode,allowfullscreen:(e.allowFullScreen?"true":"false")};if(!e.wmode){delete A.wmode}var h={id:y,data:n,type:"application/x-shockwave-flash",width:"100%",height:"100%",wmode:e.wmode};var o=null;var B=null;if(e.isIE){o=document.createElement("div");var u='<object id="'+y+'" data="'+n+'" type="application/x-shockwave-flash" width="100%" height="100%"><param name="movie" value="'+n+'" /><param name="AllowScriptAccess" value="always" /><param name="quality" value="high" />'+(e.wmode?'<param name="wmode" value="'+e.wmode+'" /> ':"")+'<param name="bgcolor" value="'+e.bgColor+'" /><param name="allowFullScreen" value="'+(e.allowFullScreen?"true":"false")+'" /><!-- --></object>'}else{o=document.createElement("embed");for(B in A){if(A.hasOwnProperty(B)){o.setAttribute(B,A[B])}}}var j=document.createElement("div");j.id=e.debugID+"-toggle";var k={position:"fixed",bottom:"0px",right:"0px",width:"1.2em",height:"1.2em",lineHeight:"1.2em",margin:"2px",textAlign:"center",border:"1px solid #999",cursor:"pointer",background:"#fff",color:"#333",zIndex:10001};j.appendChild(document.createTextNode("-"));j.onclick=e._toggleDebug;j.title="Toggle SM2 debug console";if(navigator.userAgent.match(/msie 6/i)){j.style.position="absolute";j.style.cursor="hand"}for(B in k){if(k.hasOwnProperty(B)){j.style[B]=k[B]}}var v=e._getDocument();if(v){e.oMC=g("sm2-container")?g("sm2-container"):document.createElement("div");if(!e.oMC.id){e.oMC.id="sm2-container";e.oMC.className="movieContainer";var p=null;var q=null;if(e.useHighPerformance){p={position:"fixed",width:"8px",height:"8px",bottom:"0px",left:"0px"}}else{p={position:"absolute",width:"1px",height:"1px",top:"-999px",left:"-999px"}}var l=null;for(l in p){if(p.hasOwnProperty(l)){e.oMC.style[l]=p[l]}}try{if(!e.isIE){e.oMC.appendChild(o)}v.appendChild(e.oMC);if(e.isIE){q=e.oMC.appendChild(document.createElement("div"));q.className="sm2-object-box";q.innerHTML=u}e._appendSuccess=true}catch(z){throw new Error(e.strings.appXHTML)}}else{e.oMC.appendChild(o);if(e.isIE){q=e.oMC.appendChild(document.createElement("div"));q.className="sm2-object-box";q.innerHTML=u}e._appendSuccess=true}if(!g(e.debugID)&&((!e._hasConsole||!e.useConsole)||(e.useConsole&&e._hasConsole&&!e.consoleOnly))){var m=document.createElement("div");m.id=e.debugID;m.style.display=(e.debugMode?"block":"none");if(e.debugMode&&!g(j.id)){try{v.appendChild(j)}catch(i){throw new Error(e.strings.appXHTML)}v.appendChild(m)}}v=null}if(t){}};this._writeDebug=function(i,p,k){if(!e.debugMode){return false}if(typeof k!="undefined"&&k){i=i+" | "+new Date().getTime()}if(e._hasConsole&&e.useConsole){var h=e._debugLevels[p];if(typeof console[h]!="undefined"){console[h](i)}else{console.log(i)}if(e.useConsoleOnly){return true}}var n="soundmanager-debug";try{var m=g(n);if(!m){return false}var l=document.createElement("div");if(++e._wdCount%2===0){l.className="sm2-alt"}if(typeof p=="undefined"){p=0}else{p=parseInt(p,10)}l.appendChild(document.createTextNode(i));if(p){if(p>=2){l.style.fontWeight="bold"}if(p==3){l.style.color="#ff3333"}}m.insertBefore(l,m.firstChild)}catch(j){}m=null};this._writeDebug._protected=true;this._wdCount=0;this._wdCount._protected=true;this._wD=this._writeDebug;this._wDAlert=function(h){alert(h)};if(window.location.href.indexOf("debug=alert")+1&&e.debugMode){e._wD=e._wDAlert}this._toggleDebug=function(){var i=g(e.debugID);var h=g(e.debugID+"-toggle");if(!i){return false}if(e._debugOpen){h.innerHTML="+";i.style.display="none"}else{h.innerHTML="-";i.style.display="block"}e._debugOpen=!e._debugOpen};this._toggleDebug._protected=true;this._debug=function(){for(var k=0,h=e.soundIDs.length;k<h;k++){e.sounds[e.soundIDs[k]]._debug()}};this._debugTS=function(k,h,i){if(typeof sm2Debugger!="undefined"){try{sm2Debugger.handleEvent(k,h,i)}catch(j){}}};this._debugTS._protected=true;this._mergeObjects=function(j,h){var m={};for(var k in j){if(j.hasOwnProperty(k)){m[k]=j[k]}}var l=(typeof h=="undefined"?e.defaultOptions:h);for(var n in l){if(l.hasOwnProperty(n)&&typeof m[n]=="undefined"){m[n]=l[n]}}return m};this.createMovie=function(h){if(h){e.url=h}e._initMovie()};this.go=this.createMovie;this._initMovie=function(){if(e.o){return false}e.o=e.getMovie(e.id);if(!e.o){if(!e.oRemoved){e._createMovie(e.id,e.url)}else{if(!e.isIE){e.oMC.appendChild(e.oRemoved)}else{e.oMC.innerHTML=e.oRemovedHTML}e.oRemoved=null;e._didAppend=true}e.o=e.getMovie(e.id)}if(e.o){if(e.flashLoadTimeout>0){}}};this.waitForExternalInterface=function(){if(e._waitingForEI){return false}e._waitingForEI=true;if(e._tryInitOnFocus&&!e._isFocused){return false}if(e.flashLoadTimeout>0){if(!e._didInit){}setTimeout(function(){if(!e._didInit){if(!e._overHTTP){}e._debugTS("flashtojs",false,": Timed out"+(e._overHTTP)?" 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false}else{if(e.waitForWindowLoad&&e._windowLoaded){}e.initUserOnload()}};this.initUserOnload=function(){e.onload.apply(window)};this.init=function(){e._initMovie();if(e._didInit){return false}if(window.removeEventListener){window.removeEventListener("load",e.beginDelayedInit,false)}else{if(window.detachEvent){window.detachEvent("onload",e.beginDelayedInit)}}try{e.o._externalInterfaceTest(false);if(!e.allowPolling){}e.setPolling(true);if(!e.debugMode){e.o._disableDebug()}e.enabled=true;e._debugTS("jstoflash",true)}catch(h){e._debugTS("jstoflash",false);e._failSafely(true);e.initComplete();return false}e.initComplete()};this.beginDelayedInit=function(){e._windowLoaded=true;setTimeout(e.waitForExternalInterface,500);setTimeout(e.beginInit,20)};this.beginInit=function(){if(e._initPending){return false}e.createMovie();e._initMovie();e._initPending=true;return 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xajax.config={};xajax.config.setDefault=function(option,defaultValue){if('undefined'==typeof xajax.config[option])
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xajax.tools._getFormValue=function(aFormValues,child,submitDisabledElements,prefix){if(!child.name)
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}
var obj={};obj.fullName='Response Complete';obj.sequence=seq;obj.request=oRequest;obj.context=oRequest.context;obj.cmd='rcmplt';xt.queue.push(xx.response,obj);if(null==xx.response.timeout)
xt.queue.process(xx.response);}else if(xt.arrayContainsValue(xx.responseRedirectCodes,oRequest.request.status)){xcb.execute([gcb,lcb],'onRedirect',oRequest);window.location=oRequest.request.getResponseHeader('location');xx.completeResponse(oRequest);}else if(xt.arrayContainsValue(xx.responseErrorsForAlert,oRequest.request.status)){xcb.execute([gcb,lcb],'onFailure',oRequest);xx.completeResponse(oRequest);}
return oRet;}
xajax.js={}
xajax.js.includeScriptOnce=function(command){command.fullName='includeScriptOnce';var fileName=command.data;var oDoc=xajax.config.baseDocument;var loadedScripts=oDoc.getElementsByTagName('script');var iLen=loadedScripts.length;for(var i=0;i < iLen;++i){var script=loadedScripts[i];if(script.src){if(0 <=script.src.indexOf(fileName))
return true;}
}
return xajax.js.includeScript(command);}
xajax.js.includeScript=function(command){command.fullName='includeScript';var oDoc=xajax.config.baseDocument;var objHead=oDoc.getElementsByTagName('head');var objScript=oDoc.createElement('script');objScript.src=command.data;if('undefined'==typeof command.type)objScript.type='text/javascript';else objScript.type=command.type;if('undefined'!=typeof command.type)objScript.setAttribute('id',command.elm_id);objHead[0].appendChild(objScript);return true;}
xajax.js.removeScript=function(command){command.fullName='removeScript';var fileName=command.data;var unload=command.unld;var oDoc=xajax.config.baseDocument;var loadedScripts=oDoc.getElementsByTagName('script');var iLen=loadedScripts.length;for(var i=0;i < iLen;++i){var script=loadedScripts[i];if(script.src){if(0 <=script.src.indexOf(fileName)){if('undefined'!=typeof unload){var args={};args.data=unload;args.context=window;xajax.js.execute(args);}
var parent=script.parentNode;parent.removeChild(script);}
}
}
return true;}
xajax.js.sleep=function(command){command.fullName='sleep';if(xajax.tools.queue.retry(command,command.prop)){xajax.tools.queue.setWakeup(xajax.response,100);return false;}
return true;}
xajax.js.confirmCommands=function(command){command.fullName='confirmCommands';var msg=command.data;var numberOfCommands=command.id;if(false==confirm(msg)){while(0 < numberOfCommands){xajax.tools.queue.pop(xajax.response);--numberOfCommands;}
}
return true;}
xajax.js.execute=function(args){args.fullName='execute Javascript';var returnValue=true;args.context.xajaxDelegateCall=function(){eval(args.data);}
args.context.xajaxDelegateCall();return returnValue;}
xajax.js.waitFor=function(args){args.fullName='waitFor';var bResult=false;var cmdToEval='bResult = (';cmdToEval+=args.data;cmdToEval+=');';try{args.context.xajaxDelegateCall=function(){eval(cmdToEval);}
args.context.xajaxDelegateCall();}catch(e){}
if(false==bResult){if(xajax.tools.queue.retry(args,args.prop)){xajax.tools.queue.setWakeup(xajax.response,100);return false;}
}
return true;}
xajax.js.call=function(args){args.fullName='call js function';var parameters=args.data;var scr=new Array();scr.push(args.func);scr.push('(');if('undefined'!=typeof parameters){if('object'==typeof parameters){var iLen=parameters.length;if(0 < iLen){scr.push('parameters[0]');for(var i=1;i < iLen;++i)
scr.push(', parameters['+i+']');}
}
}
scr.push(');');args.context.xajaxDelegateCall=function(){eval(scr.join(''));}
args.context.xajaxDelegateCall();return true;}
xajax.js.setFunction=function(args){args.fullName='setFunction';var code=new Array();code.push(args.func);code.push(' = function(');if('object'==typeof args.prop){var separator='';for(var m in args.prop){code.push(separator);code.push(args.prop[m]);separator=',';}
}else code.push(args.prop);code.push(') { ');code.push(args.data);code.push(' }');args.context.xajaxDelegateCall=function(){eval(code.join(''));}
args.context.xajaxDelegateCall();return true;}
xajax.js.wrapFunction=function(args){args.fullName='wrapFunction';var code=new Array();code.push(args.func);code.push(' = xajax.js.makeWrapper(');code.push(args.func);code.push(', args.prop, args.data, args.type, args.context);');args.context.xajaxDelegateCall=function(){eval(code.join(''));}
args.context.xajaxDelegateCall();return true;}
xajax.js.makeWrapper=function(origFun,args,codeBlocks,returnVariable,context){var originalCall='';if(0 < returnVariable.length){originalCall+=returnVariable;originalCall+=' = ';}
var originalCall='origFun(';originalCall+=args;originalCall+='); ';var code='wrapper = function(';code+=args;code+=') { ';if(0 < returnVariable.length){code+=' var ';code+=returnVariable;code+=' = null;';}
var separator='';var bLen=codeBlocks.length;for(var b=0;b < bLen;++b){code+=separator;code+=codeBlocks[b];separator=originalCall;}
if(0 < returnVariable.length){code+=' return ';code+=returnVariable;code+=';';}
code+=' } ';var wrapper=null;context.xajaxDelegateCall=function(){eval(code);}
context.xajaxDelegateCall();return wrapper;}
xajax.dom={}
xajax.dom.assign=function(element,property,data){if('string'==typeof element)
element=xajax.$(element);switch(property){case 'innerHTML':
element.innerHTML=data;break;case 'outerHTML':
if('undefined'==typeof element.outerHTML){var r=xajax.config.baseDocument.createRange();r.setStartBefore(element);var df=r.createContextualFragment(data);element.parentNode.replaceChild(df,element);}else element.outerHTML=data;break;default:
if(xajax.tools.willChange(element,property,data))
eval('element.'+property+' = data;');break;}
return true;}
xajax.dom.append=function(element,property,data){if('string'==typeof element)
element=xajax.$(element);eval('element.'+property+' += data;');return true;}
xajax.dom.prepend=function(element,property,data){if('string'==typeof element)
element=xajax.$(element);eval('element.'+property+' = data + element.'+property);return true;}
xajax.dom.replace=function(element,sAttribute,aData){var sSearch=aData['s'];var sReplace=aData['r'];if(sAttribute=='innerHTML')
sSearch=xajax.tools.getBrowserHTML(sSearch);if('string'==typeof element)
element=xajax.$(element);eval('var txt = element.'+sAttribute);var bFunction=false;if('function'==typeof txt){txt=txt.join('');bFunction=true;}
var start=txt.indexOf(sSearch);if(start >-1){var newTxt=[];while(start >-1){var end=start+sSearch.length;newTxt.push(txt.substr(0,start));newTxt.push(sReplace);txt=txt.substr(end,txt.length-end);start=txt.indexOf(sSearch);}
newTxt.push(txt);newTxt=newTxt.join('');if(bFunction){eval('element.'+sAttribute+'=newTxt;');}else if(xajax.tools.willChange(element,sAttribute,newTxt)){eval('element.'+sAttribute+'=newTxt;');}
}
return true;}
xajax.dom.remove=function(element){if('string'==typeof element)
element=xajax.$(element);if(element&&element.parentNode&&element.parentNode.removeChild)
element.parentNode.removeChild(element);return true;}
xajax.dom.create=function(objParent,sTag,sId){if('string'==typeof objParent)
objParent=xajax.$(objParent);var target=xajax.config.baseDocument.createElement(sTag);target.setAttribute('id',sId);if(objParent)
objParent.appendChild(target);return true;}
xajax.dom.insert=function(objSibling,sTag,sId){if('string'==typeof objSibling)
objSibling=xajax.$(objSibling);var target=xajax.config.baseDocument.createElement(sTag);target.setAttribute('id',sId);objSibling.parentNode.insertBefore(target,objSibling);return true;}
xajax.dom.insertAfter=function(objSibling,sTag,sId){if('string'==typeof objSibling)
objSibling=xajax.$(objSibling);var target=xajax.config.baseDocument.createElement(sTag);target.setAttribute('id',sId);objSibling.parentNode.insertBefore(target,objSibling.nextSibling);return true;}
xajax.dom.contextAssign=function(args){args.fullName='context assign';var code=[];code.push('this.');code.push(args.prop);code.push(' = data;');code=code.join('');args.context.xajaxDelegateCall=function(data){eval(code);}
args.context.xajaxDelegateCall(args.data);return true;}
xajax.dom.contextAppend=function(args){args.fullName='context append';var code=[];code.push('this.');code.push(args.prop);code.push(' += data;');code=code.join('');args.context.xajaxDelegateCall=function(data){eval(code);}
args.context.xajaxDelegateCall(args.data);return true;}
xajax.dom.contextPrepend=function(args){args.fullName='context prepend';var code=[];code.push('this.');code.push(args.prop);code.push(' = data + this.');code.push(args.prop);code.push(';');code=code.join('');args.context.xajaxDelegateCall=function(data){eval(code);}
args.context.xajaxDelegateCall(args.data);return true;}
xajax.css={}
xajax.css.add=function(fileName,media){var oDoc=xajax.config.baseDocument;var oHeads=oDoc.getElementsByTagName('head');var oHead=oHeads[0];var oLinks=oHead.getElementsByTagName('link');var found=false;var iLen=oLinks.length;for(var i=0;i < iLen&&false==found;++i)
if(0 <=oLinks[i].href.indexOf(fileName)&&oLinks[i].media==media)
found=true;if(false==found){var oCSS=oDoc.createElement('link');oCSS.rel='stylesheet';oCSS.type='text/css';oCSS.href=fileName;oCSS.media=media;oHead.appendChild(oCSS);}
return true;}
xajax.css.remove=function(fileName,media){var oDoc=xajax.config.baseDocument;var oHeads=oDoc.getElementsByTagName('head');var oHead=oHeads[0];var oLinks=oHead.getElementsByTagName('link');var i=0;while(i < oLinks.length)
if(0 <=oLinks[i].href.indexOf(fileName)&&oLinks[i].media==media)
oHead.removeChild(oLinks[i]);else++i;return true;}
xajax.css.waitForCSS=function(args){var oDocSS=xajax.config.baseDocument.styleSheets;var ssEnabled=[];var iLen=oDocSS.length;for(var i=0;i < iLen;++i){ssEnabled[i]=0;try{ssEnabled[i]=oDocSS[i].cssRules.length;}catch(e){try{ssEnabled[i]=oDocSS[i].rules.length;}catch(e){}
}
}
var ssLoaded=true;var iLen=ssEnabled.length;for(var i=0;i < iLen;++i)
if(0==ssEnabled[i])
ssLoaded=false;if(false==ssLoaded){if(xajax.tools.queue.retry(args,args.prop)){xajax.tools.queue.setWakeup(xajax.response,10);return false;}
}
return true;}
xajax.forms={}
xajax.forms.getInput=function(type,name,id){if('undefined'==typeof window.addEventListener){xajax.forms.getInput=function(type,name,id){return xajax.config.baseDocument.createElement('<input type="'+type+'" name="'+name+'" id="'+id+'">');}
}else{xajax.forms.getInput=function(type,name,id){var oDoc=xajax.config.baseDocument;var Obj=oDoc.createElement('input');Obj.setAttribute('type',type);Obj.setAttribute('name',name);Obj.setAttribute('id',id);return Obj;}
}
return xajax.forms.getInput(type,name,id);}
xajax.forms.createInput=function(command){command.fullName='createInput';var objParent=command.id;var sType=command.type;var sName=command.data;var sId=command.prop;if('string'==typeof objParent)
objParent=xajax.$(objParent);var target=xajax.forms.getInput(sType,sName,sId);if(objParent&&target){objParent.appendChild(target);}
return true;}
xajax.forms.insertInput=function(command){command.fullName='insertInput';var objSibling=command.id;var sType=command.type;var sName=command.data;var sId=command.prop;if('string'==typeof objSibling)
objSibling=xajax.$(objSibling);var target=xajax.forms.getInput(sType,sName,sId);if(target&&objSibling&&objSibling.parentNode)
objSibling.parentNode.insertBefore(target,objSibling);return true;}
xajax.forms.insertInputAfter=function(command){command.fullName='insertInputAfter';var objSibling=command.id;var sType=command.type;var sName=command.data;var sId=command.prop;if('string'==typeof objSibling)
objSibling=xajax.$(objSibling);var target=xajax.forms.getInput(sType,sName,sId);if(target&&objSibling&&objSibling.parentNode)
objSibling.parentNode.insertBefore(target,objSibling.nextSibling);return true;}
xajax.events={}
xajax.events.setEvent=function(command){command.fullName='addEvent';var element=command.id;var sEvent=command.prop;var code=command.data;if('string'==typeof element)
element=xajax.$(element);sEvent=xajax.tools.addOnPrefix(sEvent);code=xajax.tools.doubleQuotes(code);eval('element.'+sEvent+' = function() { '+code+'; }');return true;}
xajax.events.addHandler=function(element,sEvent,fun){if(window.addEventListener){xajax.events.addHandler=function(command){command.fullName='addHandler';var element=command.id;var sEvent=command.prop;var fun=command.data;if('string'==typeof element)
element=xajax.$(element);sEvent=xajax.tools.stripOnPrefix(sEvent);eval('element.addEventListener("'+sEvent+'", '+fun+', false);');return true;}
}else{xajax.events.addHandler=function(command){command.fullName='addHandler';var element=command.id;var sEvent=command.prop;var fun=command.data;if('string'==typeof element)
element=xajax.$(element);sEvent=xajax.tools.addOnPrefix(sEvent);eval('element.attachEvent("'+sEvent+'", '+fun+', false);');return true;}
}
return xajax.events.addHandler(element,sEvent,fun);}
xajax.events.removeHandler=function(element,sEvent,fun){if(window.removeEventListener){xajax.events.removeHandler=function(command){command.fullName='removeHandler';var element=command.id;var sEvent=command.prop;var fun=command.data;if('string'==typeof element)
element=xajax.$(element);sEvent=xajax.tools.stripOnPrefix(sEvent);eval('element.removeEventListener("'+sEvent+'", '+fun+', false);');return true;}
}else{xajax.events.removeHandler=function(command){command.fullName='removeHandler';var element=command.id;var sEvent=command.prop;var fun=command.data;if('string'==typeof element)
element=xajax.$(element);sEvent=xajax.tools.addOnPrefix(sEvent);eval('element.detachEvent("'+sEvent+'", '+fun+', false);');return true;}
}
return xajax.events.removeHandler(element,sEvent,fun);}
xajax.callback={}
xajax.callback.create=function(){var xx=xajax;var xc=xx.config;var xcb=xx.callback;var oCB={}
oCB.timers={};oCB.timers.onResponseDelay=xcb.setupTimer(
(arguments.length > 0)
? arguments[0]
:xc.defaultResponseDelayTime);oCB.timers.onExpiration=xcb.setupTimer(
(arguments.length > 1)
? arguments[1]
:xc.defaultExpirationTime);oCB.onRequest=null;oCB.onResponseDelay=null;oCB.onExpiration=null;oCB.beforeResponseProcessing=null;oCB.onFailure=null;oCB.onRedirect=null;oCB.onSuccess=null;oCB.onComplete=null;return oCB;}
xajax.callback.setupTimer=function(iDelay){return{timer:null,delay:iDelay};}
xajax.callback.clearTimer=function(oCallback,sFunction){if('undefined'!=typeof oCallback.timers){if('undefined'!=typeof oCallback.timers[sFunction]){clearTimeout(oCallback.timers[sFunction].timer);}
}else if('object'==typeof oCallback){var iLen=oCallback.length;for(var i=0;i < iLen;++i)
xajax.callback.clearTimer(oCallback[i],sFunction);}
}
xajax.callback.execute=function(oCallback,sFunction,args){if('undefined'!=typeof oCallback[sFunction]){var func=oCallback[sFunction];if('function'==typeof func){if('undefined'!=typeof oCallback.timers[sFunction]){oCallback.timers[sFunction].timer=setTimeout(function(){func(args);},oCallback.timers[sFunction].delay);}
else{func(args);}
}
}else if('object'==typeof oCallback){var iLen=oCallback.length;for(var i=0;i < iLen;++i)
xajax.callback.execute(oCallback[i],sFunction,args);}
}
xajax.callback.global=xajax.callback.create();xajax.response=xajax.tools.queue.create(xajax.config.responseQueueSize);xajax.responseSuccessCodes=['0','200'];xajax.responseErrorsForAlert=['400','401','402','403','404','500','501','502','503'];xajax.responseRedirectCodes=['301','302','307'];if('undefined'==typeof xajax.command)
xajax.command={};xajax.command.create=function(sequence,request,context){var newCmd={};newCmd.cmd='*';newCmd.fullName='* unknown command name *';newCmd.sequence=sequence;newCmd.request=request;newCmd.context=context;return newCmd;}
if('undefined'==typeof xajax.command.handler)
xajax.command.handler={};if('undefined'==typeof xajax.command.handler.handlers)
xajax.command.handler.handlers=[];xajax.command.handler.register=function(shortName,func){xajax.command.handler.handlers[shortName]=func;}
xajax.command.handler.unregister=function(shortName){var func=xajax.command.handler.handlers[shortName];delete xajax.command.handler.handlers[shortName];return func;}
xajax.command.handler.isRegistered=function(command){var shortName=command.cmd;if(xajax.command.handler.handlers[shortName])
return true;return false;}
xajax.command.handler.call=function(command){var shortName=command.cmd;return xajax.command.handler.handlers[shortName](command);}
xajax.command.handler.register('rcmplt',function(args){xajax.completeResponse(args.request);return true;});xajax.command.handler.register('css',function(args){args.fullName='includeCSS';if('undefined'==typeof args.media)
args.media='screen';return xajax.css.add(args.data,args.media);});xajax.command.handler.register('rcss',function(args){args.fullName='removeCSS';if('undefined'==typeof args.media)
args.media='screen';return xajax.css.remove(args.data,args.media);});xajax.command.handler.register('wcss',function(args){args.fullName='waitForCSS';return xajax.css.waitForCSS(args);});xajax.command.handler.register('as',function(args){args.fullName='assign/clear';try{return xajax.dom.assign(args.target,args.prop,args.data);}catch(e){}
return true;});xajax.command.handler.register('ap',function(args){args.fullName='append';return xajax.dom.append(args.target,args.prop,args.data);});xajax.command.handler.register('pp',function(args){args.fullName='prepend';return xajax.dom.prepend(args.target,args.prop,args.data);});xajax.command.handler.register('rp',function(args){args.fullName='replace';return xajax.dom.replace(args.id,args.prop,args.data);});xajax.command.handler.register('rm',function(args){args.fullName='remove';return xajax.dom.remove(args.id);});xajax.command.handler.register('ce',function(args){args.fullName='create';return xajax.dom.create(args.id,args.data,args.prop);});xajax.command.handler.register('ie',function(args){args.fullName='insert';return xajax.dom.insert(args.id,args.data,args.prop);});xajax.command.handler.register('ia',function(args){args.fullName='insertAfter';return xajax.dom.insertAfter(args.id,args.data,args.prop);});xajax.command.handler.register('c:as',xajax.dom.contextAssign);xajax.command.handler.register('c:ap',xajax.dom.contextAppend);xajax.command.handler.register('c:pp',xajax.dom.contextPrepend);xajax.command.handler.register('s',xajax.js.sleep);xajax.command.handler.register('ino',xajax.js.includeScriptOnce);xajax.command.handler.register('in',xajax.js.includeScript);xajax.command.handler.register('rjs',xajax.js.removeScript);xajax.command.handler.register('wf',xajax.js.waitFor);xajax.command.handler.register('js',xajax.js.execute);xajax.command.handler.register('jc',xajax.js.call);xajax.command.handler.register('sf',xajax.js.setFunction);xajax.command.handler.register('wpf',xajax.js.wrapFunction);xajax.command.handler.register('al',function(args){args.fullName='alert';alert(args.data);return true;});xajax.command.handler.register('cc',xajax.js.confirmCommands);xajax.command.handler.register('ci',xajax.forms.createInput);xajax.command.handler.register('ii',xajax.forms.insertInput);xajax.command.handler.register('iia',xajax.forms.insertInputAfter);xajax.command.handler.register('ev',xajax.events.setEvent);xajax.command.handler.register('ah',xajax.events.addHandler);xajax.command.handler.register('rh',xajax.events.removeHandler);xajax.command.handler.register('dbg',function(args){args.fullName='debug message';return true;});xajax.initializeRequest=function(oRequest){var xx=xajax;var xc=xx.config;oRequest.append=function(opt,def){if('undefined'!=typeof this[opt]){for(var itmName in def)
if('undefined'==typeof this[opt][itmName])
this[opt][itmName]=def[itmName];}else this[opt]=def;}
oRequest.append('commonHeaders',xc.commonHeaders);oRequest.append('postHeaders',xc.postHeaders);oRequest.append('getHeaders',xc.getHeaders);oRequest.set=function(option,defaultValue){if('undefined'==typeof this[option])
this[option]=defaultValue;}
oRequest.set('statusMessages',xc.statusMessages);oRequest.set('waitCursor',xc.waitCursor);oRequest.set('mode',xc.defaultMode);oRequest.set('method',xc.defaultMethod);oRequest.set('URI',xc.requestURI);oRequest.set('httpVersion',xc.defaultHttpVersion);oRequest.set('contentType',xc.defaultContentType);oRequest.set('retry',xc.defaultRetry);oRequest.set('returnValue',xc.defaultReturnValue);oRequest.set('maxObjectDepth',xc.maxObjectDepth);oRequest.set('maxObjectSize',xc.maxObjectSize);oRequest.set('context',window);var xcb=xx.callback;var gcb=xcb.global;var lcb=xcb.create();lcb.take=function(frm,opt){if('undefined'!=typeof frm[opt]){lcb[opt]=frm[opt];lcb.hasEvents=true;}
delete frm[opt];}
lcb.take(oRequest,'onRequest');lcb.take(oRequest,'onResponseDelay');lcb.take(oRequest,'onExpiration');lcb.take(oRequest,'beforeResponseProcessing');lcb.take(oRequest,'onFailure');lcb.take(oRequest,'onRedirect');lcb.take(oRequest,'onSuccess');lcb.take(oRequest,'onComplete');if('undefined'!=typeof oRequest.callback){if(lcb.hasEvents)
oRequest.callback=[oRequest.callback,lcb];}else
oRequest.callback=lcb;oRequest.status=(oRequest.statusMessages)
? xc.status.update()
:xc.status.dontUpdate();oRequest.cursor=(oRequest.waitCursor)
? xc.cursor.update()
:xc.cursor.dontUpdate();oRequest.method=oRequest.method.toUpperCase();if('GET'!=oRequest.method)
oRequest.method='POST';oRequest.requestRetry=oRequest.retry;oRequest.append('postHeaders',{'content-type':oRequest.contentType
});delete oRequest['append'];delete oRequest['set'];delete oRequest['take'];if('undefined'==typeof oRequest.URI)
throw{code:10005}
}
xajax.processParameters=function(oRequest){var xx=xajax;var xt=xx.tools;var rd=[];var separator='';for(var sCommand in oRequest.functionName){if('constructor'!=sCommand){rd.push(separator);rd.push(sCommand);rd.push('=');rd.push(encodeURIComponent(oRequest.functionName[sCommand]));separator='&';}
}
var dNow=new Date();rd.push('&xjxr=');rd.push(dNow.getTime());delete dNow;if(oRequest.parameters){var i=0;var iLen=oRequest.parameters.length;while(i < iLen){var oVal=oRequest.parameters[i];if('object'==typeof oVal&&null!=oVal){try{var oGuard={};oGuard.depth=0;oGuard.maxDepth=oRequest.maxObjectDepth;oGuard.size=0;oGuard.maxSize=oRequest.maxObjectSize;oVal=xt._objectToXML(oVal,oGuard);}catch(e){oVal='';}
rd.push('&xjxargs[]=');oVal=encodeURIComponent(oVal);rd.push(oVal);++i;}else{rd.push('&xjxargs[]=');oVal=xt._escape(oVal);if('undefined'==typeof oVal||null==oVal){rd.push('*');}else{var sType=typeof oVal;if('string'==sType)
rd.push('S');else if('boolean'==sType)
rd.push('B');else if('number'==sType)
rd.push('N');oVal=encodeURIComponent(oVal);rd.push(oVal);}
++i;}
}
}
oRequest.requestURI=oRequest.URI;if('GET'==oRequest.method){oRequest.requestURI+=oRequest.requestURI.indexOf('?')==-1 ? '?':'&';oRequest.requestURI+=rd.join('');rd=[];}
oRequest.requestData=rd.join('');}
xajax.prepareRequest=function(oRequest){var xx=xajax;var xt=xx.tools;oRequest.request=xt.getRequestObject();oRequest.setRequestHeaders=function(headers){if('object'==typeof headers){for(var optionName in headers)
this.request.setRequestHeader(optionName,headers[optionName]);}
}
oRequest.setCommonRequestHeaders=function(){this.setRequestHeaders(this.commonHeaders);}
oRequest.setPostRequestHeaders=function(){this.setRequestHeaders(this.postHeaders);}
oRequest.setGetRequestHeaders=function(){this.setRequestHeaders(this.getHeaders);}
if('asynchronous'==oRequest.mode){oRequest.request.onreadystatechange=function(){if(oRequest.request.readyState!=4)
return;xajax.responseReceived(oRequest);}
oRequest.finishRequest=function(){return this.returnValue;}
}else{oRequest.finishRequest=function(){return xajax.responseReceived(oRequest);}
}
if('undefined'!=typeof oRequest.userName&&'undefined'!=typeof oRequest.password){oRequest.open=function(){this.request.open(
this.method,
this.requestURI,
'asynchronous'==this.mode,
oRequest.userName,
oRequest.password);}
}else{oRequest.open=function(){this.request.open(
this.method,
this.requestURI,
'asynchronous'==this.mode);}
}
if('POST'==oRequest.method){oRequest.applyRequestHeaders=function(){this.setCommonRequestHeaders();try{this.setPostRequestHeaders();}catch(e){this.method='GET';this.requestURI+=this.requestURI.indexOf('?')==-1 ? '?':'&';this.requestURI+=this.requestData;this.requestData='';if(0==this.requestRetry)this.requestRetry=1;throw e;}
}
}else{oRequest.applyRequestHeaders=function(){this.setCommonRequestHeaders();this.setGetRequestHeaders();}
}
}
xajax.request=function(){var numArgs=arguments.length;if(0==numArgs)
return false;var oRequest={}
if(1 < numArgs)
oRequest=arguments[1];oRequest.functionName=arguments[0];var xx=xajax;xx.initializeRequest(oRequest);xx.processParameters(oRequest);while(0 < oRequest.requestRetry){try{--oRequest.requestRetry;xx.prepareRequest(oRequest);return xx.submitRequest(oRequest);}catch(e){xajax.callback.execute(
[xajax.callback.global,oRequest.callback],
'onFailure',oRequest);if(0==oRequest.requestRetry)
throw e;}
}
}
xajax.call=function(){var numArgs=arguments.length;if(0==numArgs)
return false;var oRequest={}
if(1 < numArgs)
oRequest=arguments[1];oRequest.functionName={xjxfun:arguments[0]};var xx=xajax;xx.initializeRequest(oRequest);xx.processParameters(oRequest);while(0 < oRequest.requestRetry){try{--oRequest.requestRetry;xx.prepareRequest(oRequest);return xx.submitRequest(oRequest);}catch(e){xajax.callback.execute(
[xajax.callback.global,oRequest.callback],
'onFailure',oRequest);if(0==oRequest.requestRetry)
throw e;}
}
}
xajax.submitRequest=function(oRequest){oRequest.status.onRequest();var xcb=xajax.callback;var gcb=xcb.global;var lcb=oRequest.callback;xcb.execute([gcb,lcb],'onResponseDelay',oRequest);xcb.execute([gcb,lcb],'onExpiration',oRequest);xcb.execute([gcb,lcb],'onRequest',oRequest);oRequest.open();oRequest.applyRequestHeaders();oRequest.cursor.onWaiting();oRequest.status.onWaiting();xajax._internalSend(oRequest);return oRequest.finishRequest();}
xajax._internalSend=function(oRequest){oRequest.request.send(oRequest.requestData);}
xajax.abortRequest=function(oRequest){oRequest.aborted=true;oRequest.request.abort();xajax.completeResponse(oRequest);}
xajax.responseReceived=function(oRequest){var xx=xajax;var xcb=xx.callback;var gcb=xcb.global;var lcb=oRequest.callback;if(oRequest.aborted)
return;xcb.clearTimer([gcb,lcb],'onExpiration');xcb.clearTimer([gcb,lcb],'onResponseDelay');xcb.execute([gcb,lcb],'beforeResponseProcessing',oRequest);var fProc=xx.getResponseProcessor(oRequest);if('undefined'==typeof fProc){xcb.execute([gcb,lcb],'onFailure',oRequest);xx.completeResponse(oRequest);return;}
return fProc(oRequest);}
xajax.getResponseProcessor=function(oRequest){var fProc;if('undefined'==typeof oRequest.responseProcessor){var cTyp=oRequest.request.getResponseHeader('content-type');if(cTyp){if(0 <=cTyp.indexOf('text/xml')){fProc=xajax.responseProcessor.xml;}
}
}else fProc=oRequest.responseProcessor;return fProc;}
xajax.executeCommand=function(command){if(xajax.command.handler.isRegistered(command)){if(command.id)
command.target=xajax.$(command.id);if(false==xajax.command.handler.call(command)){xajax.tools.queue.pushFront(xajax.response,command);return false;}
}
return true;}
xajax.completeResponse=function(oRequest){xajax.callback.execute(
[xajax.callback.global,oRequest.callback],
'onComplete',oRequest);oRequest.cursor.onComplete();oRequest.status.onComplete();delete oRequest['functionName'];delete oRequest['requestURI'];delete oRequest['requestData'];delete oRequest['requestRetry'];delete oRequest['request'];delete oRequest['set'];delete oRequest['open'];delete oRequest['setRequestHeaders'];delete oRequest['setCommonRequestHeaders'];delete oRequest['setPostRequestHeaders'];delete oRequest['setGetRequestHeaders'];delete oRequest['applyRequestHeaders'];delete oRequest['finishRequest'];delete oRequest['status'];delete oRequest['cursor'];}
xajax.$=xajax.tools.$;xajax.getFormValues=xajax.tools.getFormValues;xajax.isLoaded=true;xjx={}
xjx.$=xajax.tools.$;xjx.getFormValues=xajax.tools.getFormValues;xjx.call=xajax.call;xjx.request=xajax.request;