/*
Script: Core.js
  MooTools - My Object Oriented JavaScript Tools.

License:
  MIT-style license.

Copyright:
  Copyright (c) 2006-2008 [Valerio Proietti](http://mad4milk.net/).

Code & Documentation:
  [The MooTools production team](http://mootools.net/developers/).

Inspiration:
  - Class implementation inspired by [Base.js](http://dean.edwards.name/weblog/2006/03/base/) Copyright (c) 2006 Dean Edwards, [GNU Lesser General Public License](http://opensource.org/licenses/lgpl-license.php)
  - Some functionality inspired by [Prototype.js](http://prototypejs.org) Copyright (c) 2005-2007 Sam Stephenson, [MIT License](http://opensource.org/licenses/mit-license.php)
*/

var MooTools = {
  'version': '1.2.1',
  'build': '0d4845aab3d9a4fdee2f0d4a6dd59210e4b697cf'
};

var Native = function(options){
  options = options || {};
  var name = options.name;
  var legacy = options.legacy;
  var protect = options.protect;
  var methods = options.implement;
  var generics = options.generics;
  var initialize = options.initialize;
  var afterImplement = options.afterImplement || function(){};
  var object = initialize || legacy;
  generics = generics !== false;

  object.constructor = Native;
  object.$family = {name: 'native'};
  if (legacy && initialize) object.prototype = legacy.prototype;
  object.prototype.constructor = object;

  if (name){
    var family = name.toLowerCase();
    object.prototype.$family = {name: family};
    Native.typize(object, family);
  }

  var add = function(obj, name, method, force){
    if (!protect || force || !obj.prototype[name]) obj.prototype[name] = method;
    if (generics) Native.genericize(obj, name, protect);
    afterImplement.call(obj, name, method);
    return obj;
  };

  object.alias = function(a1, a2, a3){
    if (typeof a1 == 'string'){
      if ((a1 = this.prototype[a1])) return add(this, a2, a1, a3);
    }
    for (var a in a1) this.alias(a, a1[a], a2);
    return this;
  };

  object.implement = function(a1, a2, a3){
    if (typeof a1 == 'string') return add(this, a1, a2, a3);
    for (var p in a1) add(this, p, a1[p], a2);
    return this;
  };

  if (methods) object.implement(methods);

  return object;
};

Native.genericize = function(object, property, check){
  if ((!check || !object[property]) && typeof object.prototype[property] == 'function') object[property] = function(){
    var args = Array.prototype.slice.call(arguments);
    return object.prototype[property].apply(args.shift(), args);
  };
};

Native.implement = function(objects, properties){
  for (var i = 0, l = objects.length; i < l; i++) objects[i].implement(properties);
};

Native.typize = function(object, family){
  if (!object.type) object.type = function(item){
    return ($type(item) === family);
  };
};

(function(){
  var natives = {'Array': Array, 'Date': Date, 'Function': Function, 'Number': Number, 'RegExp': RegExp, 'String': String};
  for (var n in natives) new Native({name: n, initialize: natives[n], protect: true});

  var types = {'boolean': Boolean, 'native': Native, 'object': Object};
  for (var t in types) Native.typize(types[t], t);

  var generics = {
    'Array': ["concat", "indexOf", "join", "lastIndexOf", "pop", "push", "reverse", "shift", "slice", "sort", "splice", "toString", "unshift", "valueOf"],
    'String': ["charAt", "charCodeAt", "concat", "indexOf", "lastIndexOf", "match", "replace", "search", "slice", "split", "substr", "substring", "toLowerCase", "toUpperCase", "valueOf"]
  };
  for (var g in generics){
    for (var i = generics[g].length; i--;) Native.genericize(window[g], generics[g][i], true);
  };
})();

var Hash = new Native({

  name: 'Hash',

  initialize: function(object){
    if ($type(object) == 'hash') object = $unlink(object.getClean());
    for (var key in object) this[key] = object[key];
    return this;
  }

});

Hash.implement({

  forEach: function(fn, bind){
    for (var key in this){
      if (this.hasOwnProperty(key)) fn.call(bind, this[key], key, this);
    }
  },

  getClean: function(){
    var clean = {};
    for (var key in this){
      if (this.hasOwnProperty(key)) clean[key] = this[key];
    }
    return clean;
  },

  getLength: function(){
    var length = 0;
    for (var key in this){
      if (this.hasOwnProperty(key)) length++;
    }
    return length;
  }

});

Hash.alias('forEach', 'each');

Array.implement({

  forEach: function(fn, bind){
    for (var i = 0, l = this.length; i < l; i++) fn.call(bind, this[i], i, this);
  }

});

Array.alias('forEach', 'each');

function $A(iterable){
  if (iterable.item){
    var array = [];
    for (var i = 0, l = iterable.length; i < l; i++) array[i] = iterable[i];
    return array;
  }
  return Array.prototype.slice.call(iterable);
};

function $arguments(i){
  return function(){
    return arguments[i];
  };
};

function $chk(obj){
  return !!(obj || obj === 0);
};

function $clear(timer){
  clearTimeout(timer);
  clearInterval(timer);
  return null;
};

function $defined(obj){
  return (obj != undefined);
};

function $each(iterable, fn, bind){
  var type = $type(iterable);
  ((type == 'arguments' || type == 'collection' || type == 'array') ? Array : Hash).each(iterable, fn, bind);
};

function $empty(){};

function $extend(original, extended){
  for (var key in (extended || {})) original[key] = extended[key];
  return original;
};

function $H(object){
  return new Hash(object);
};

function $lambda(value){
  return (typeof value == 'function') ? value : function(){
    return value;
  };
};

function $merge(){
  var mix = {};
  for (var i = 0, l = arguments.length; i < l; i++){
    var object = arguments[i];
    if ($type(object) != 'object') continue;
    for (var key in object){
      var op = object[key], mp = mix[key];
      mix[key] = (mp && $type(op) == 'object' && $type(mp) == 'object') ? $merge(mp, op) : $unlink(op);
    }
  }
  return mix;
};

function $pick(){
  for (var i = 0, l = arguments.length; i < l; i++){
    if (arguments[i] != undefined) return arguments[i];
  }
  return null;
};

function $random(min, max){
  return Math.floor(Math.random() * (max - min + 1) + min);
};

function $splat(obj){
  var type = $type(obj);
  return (type) ? ((type != 'array' && type != 'arguments') ? [obj] : obj) : [];
};

var $time = Date.now || function(){
  return +new Date;
};

function $try(){
  for (var i = 0, l = arguments.length; i < l; i++){
    try {
      return arguments[i]();
    } catch(e){}
  }
  return null;
};

function $type(obj){
  if (obj == undefined) return false;
  if (obj.$family) return (obj.$family.name == 'number' && !isFinite(obj)) ? false : obj.$family.name;
  if (obj.nodeName){
    switch (obj.nodeType){
      case 1: return 'element';
      case 3: return (/\S/).test(obj.nodeValue) ? 'textnode' : 'whitespace';
    }
  } else if (typeof obj.length == 'number'){
    if (obj.callee) return 'arguments';
    else if (obj.item) return 'collection';
  }
  return typeof obj;
};

function $unlink(object){
  var unlinked;
  switch ($type(object)){
    case 'object':
      unlinked = {};
      for (var p in object) unlinked[p] = $unlink(object[p]);
    break;
    case 'hash':
      unlinked = new Hash(object);
    break;
    case 'array':
      unlinked = [];
      for (var i = 0, l = object.length; i < l; i++) unlinked[i] = $unlink(object[i]);
    break;
    default: return object;
  }
  return unlinked;
};


/*
Script: Browser.js
  The Browser Core. Contains Browser initialization, Window and Document, and the Browser Hash.

License:
  MIT-style license.
*/

var Browser = $merge({

  Engine: {name: 'unknown', version: 0},

  Platform: {name: (window.orientation != undefined) ? 'ipod' : (navigator.platform.match(/mac|win|linux/i) || ['other'])[0].toLowerCase()},

  Features: {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)},

  Plugins: {},

  Engines: {

    presto: function(){
      return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925));
    },

    trident: function(){
      return (!window.ActiveXObject) ? false : ((window.XMLHttpRequest) ? 5 : 4);
    },

    webkit: function(){
      return (navigator.taintEnabled) ? false : ((Browser.Features.xpath) ? ((Browser.Features.query) ? 525 : 420) : 419);
    },

    gecko: function(){
      return (document.getBoxObjectFor == undefined) ? false : ((document.getElementsByClassName) ? 19 : 18);
    }

  }

}, Browser || {});

Browser.Platform[Browser.Platform.name] = true;

Browser.detect = function(){

  for (var engine in this.Engines){
    var version = this.Engines[engine]();
    if (version){
      this.Engine = {name: engine, version: version};
      this.Engine[engine] = this.Engine[engine + version] = true;
      break;
    }
  }

  return {name: engine, version: version};

};

Browser.detect();

Browser.Request = function(){
  return $try(function(){
    return new XMLHttpRequest();
  }, function(){
    return new ActiveXObject('MSXML2.XMLHTTP');
  });
};

Browser.Features.xhr = !!(Browser.Request());

Browser.Plugins.Flash = (function(){
  var version = ($try(function(){
    return navigator.plugins['Shockwave Flash'].description;
  }, function(){
    return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
  }) || '0 r0').match(/\d+/g);
  return {version: parseInt(version[0] || 0 + '.' + version[1] || 0), build: parseInt(version[2] || 0)};
})();

function $exec(text){
  if (!text) return text;
  if (window.execScript){
    window.execScript(text);
  } else {
    var script = document.createElement('script');
    script.setAttribute('type', 'text/javascript');
    script[(Browser.Engine.webkit && Browser.Engine.version < 420) ? 'innerText' : 'text'] = text;
    document.head.appendChild(script);
    document.head.removeChild(script);
  }
  return text;
};

Native.UID = 1;

var $uid = (Browser.Engine.trident) ? function(item){
  return (item.uid || (item.uid = [Native.UID++]))[0];
} : function(item){
  return item.uid || (item.uid = Native.UID++);
};

var Window = new Native({

  name: 'Window',

  legacy: (Browser.Engine.trident) ? null: window.Window,

  initialize: function(win){
    $uid(win);
    if (!win.Element){
      win.Element = $empty;
      if (Browser.Engine.webkit) win.document.createElement("iframe"); //fixes safari 2
      win.Element.prototype = (Browser.Engine.webkit) ? window["[[DOMElement.prototype]]"] : {};
    }
    win.document.window = win;
    return $extend(win, Window.Prototype);
  },

  afterImplement: function(property, value){
    window[property] = Window.Prototype[property] = value;
  }

});

Window.Prototype = {$family: {name: 'window'}};

new Window(window);

var Document = new Native({

  name: 'Document',

  legacy: (Browser.Engine.trident) ? null: window.Document,

  initialize: function(doc){
    $uid(doc);
    doc.head = doc.getElementsByTagName('head')[0];
    doc.html = doc.getElementsByTagName('html')[0];
    if (Browser.Engine.trident && Browser.Engine.version <= 4) $try(function(){
      doc.execCommand("BackgroundImageCache", false, true);
    });
    if (Browser.Engine.trident) doc.window.attachEvent('onunload', function() {
      doc.window.detachEvent('onunload', arguments.callee);
      doc.head = doc.html = doc.window = null;
    });
    return $extend(doc, Document.Prototype);
  },

  afterImplement: function(property, value){
    document[property] = Document.Prototype[property] = value;
  }

});

Document.Prototype = {$family: {name: 'document'}};

new Document(document);


/*
Script: Array.js
  Contains Array Prototypes like each, contains, and erase.

License:
  MIT-style license.
*/

Array.implement({

  every: function(fn, bind){
    for (var i = 0, l = this.length; i < l; i++){
      if (!fn.call(bind, this[i], i, this)) return false;
    }
    return true;
  },

  filter: function(fn, bind){
    var results = [];
    for (var i = 0, l = this.length; i < l; i++){
      if (fn.call(bind, this[i], i, this)) results.push(this[i]);
    }
    return results;
  },

  clean: function() {
    return this.filter($defined);
  },

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

  map: function(fn, bind){
    var results = [];
    for (var i = 0, l = this.length; i < l; i++) results[i] = fn.call(bind, this[i], i, this);
    return results;
  },

  some: function(fn, bind){
    for (var i = 0, l = this.length; i < l; i++){
      if (fn.call(bind, this[i], i, this)) return true;
    }
    return false;
  },

  associate: function(keys){
    var obj = {}, length = Math.min(this.length, keys.length);
    for (var i = 0; i < length; i++) obj[keys[i]] = this[i];
    return obj;
  },

  link: function(object){
    var result = {};
    for (var i = 0, l = this.length; i < l; i++){
      for (var key in object){
        if (object[key](this[i])){
          result[key] = this[i];
          delete object[key];
          break;
        }
      }
    }
    return result;
  },

  contains: function(item, from){
    return this.indexOf(item, from) != -1;
  },

  extend: function(array){
    for (var i = 0, j = array.length; i < j; i++) this.push(array[i]);
    return this;
  },

  getLast: function(){
    return (this.length) ? this[this.length - 1] : null;
  },

  getRandom: function(){
    return (this.length) ? this[$random(0, this.length - 1)] : null;
  },

  include: function(item){
    if (!this.contains(item)) this.push(item);
    return this;
  },

  combine: function(array){
    for (var i = 0, l = array.length; i < l; i++) this.include(array[i]);
    return this;
  },

  erase: function(item){
    for (var i = this.length; i--; i){
      if (this[i] === item) this.splice(i, 1);
    }
    return this;
  },

  empty: function(){
    this.length = 0;
    return this;
  },

  flatten: function(){
    var array = [];
    for (var i = 0, l = this.length; i < l; i++){
      var type = $type(this[i]);
      if (!type) continue;
      array = array.concat((type == 'array' || type == 'collection' || type == 'arguments') ? Array.flatten(this[i]) : this[i]);
    }
    return array;
  },

  hexToRgb: function(array){
    if (this.length != 3) return null;
    var rgb = this.map(function(value){
      if (value.length == 1) value += value;
      return value.toInt(16);
    });
    return (array) ? rgb : 'rgb(' + rgb + ')';
  },

  rgbToHex: function(array){
    if (this.length < 3) return null;
    if (this.length == 4 && this[3] == 0 && !array) return 'transparent';
    var hex = [];
    for (var i = 0; i < 3; i++){
      var bit = (this[i] - 0).toString(16);
      hex.push((bit.length == 1) ? '0' + bit : bit);
    }
    return (array) ? hex : '#' + hex.join('');
  }

});


/*
Script: Function.js
  Contains Function Prototypes like create, bind, pass, and delay.

License:
  MIT-style license.
*/

Function.implement({

  extend: function(properties){
    for (var property in properties) this[property] = properties[property];
    return this;
  },

  create: function(options){
    var self = this;
    options = options || {};
    return function(event){
      var args = options.arguments;
      args = (args != undefined) ? $splat(args) : Array.slice(arguments, (options.event) ? 1 : 0);
      if (options.event) args = [event || window.event].extend(args);
      var returns = function(){
        return self.apply(options.bind || null, args);
      };
      if (options.delay) return setTimeout(returns, options.delay);
      if (options.periodical) return setInterval(returns, options.periodical);
      if (options.attempt) return $try(returns);
      return returns();
    };
  },

  run: function(args, bind){
    return this.apply(bind, $splat(args));
  },

  pass: function(args, bind){
    return this.create({bind: bind, arguments: args});
  },

  bind: function(bind, args){
    return this.create({bind: bind, arguments: args});
  },

  bindWithEvent: function(bind, args){
    return this.create({bind: bind, arguments: args, event: true});
  },

  attempt: function(args, bind){
    return this.create({bind: bind, arguments: args, attempt: true})();
  },

  delay: function(delay, bind, args){
    return this.create({bind: bind, arguments: args, delay: delay})();
  },

  periodical: function(periodical, bind, args){
    return this.create({bind: bind, arguments: args, periodical: periodical})();
  }

});


/*
Script: Number.js
  Contains Number Prototypes like limit, round, times, and ceil.

License:
  MIT-style license.
*/

Number.implement({

  limit: function(min, max){
    return Math.min(max, Math.max(min, this));
  },

  round: function(precision){
    precision = Math.pow(10, precision || 0);
    return Math.round(this * precision) / precision;
  },

  times: function(fn, bind){
    for (var i = 0; i < this; i++) fn.call(bind, i, this);
  },

  toFloat: function(){
    return parseFloat(this);
  },

  toInt: function(base){
    return parseInt(this, base || 10);
  }

});

Number.alias('times', 'each');

(function(math){
  var methods = {};
  math.each(function(name){
    if (!Number[name]) methods[name] = function(){
      return Math[name].apply(null, [this].concat($A(arguments)));
    };
  });
  Number.implement(methods);
})(['abs', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'exp', 'floor', 'log', 'max', 'min', 'pow', 'sin', 'sqrt', 'tan']);


/*
Script: String.js
  Contains String Prototypes like camelCase, capitalize, test, and toInt.

License:
  MIT-style license.
*/

String.implement({

  test: function(regex, params){
    return ((typeof regex == 'string') ? new RegExp(regex, params) : regex).test(this);
  },

  contains: function(string, separator){
    return (separator) ? (separator + this + separator).indexOf(separator + string + separator) > -1 : this.indexOf(string) > -1;
  },

  trim: function(){
    return this.replace(/^\s+|\s+$/g, '');
  },

  clean: function(){
    return this.replace(/\s+/g, ' ').trim();
  },

  camelCase: function(){
    return this.replace(/-\D/g, function(match){
      return match.charAt(1).toUpperCase();
    });
  },

  hyphenate: function(){
    return this.replace(/[A-Z]/g, function(match){
      return ('-' + match.charAt(0).toLowerCase());
    });
  },

  capitalize: function(){
    return this.replace(/\b[a-z]/g, function(match){
      return match.toUpperCase();
    });
  },

  escapeRegExp: function(){
    return this.replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
  },

  toInt: function(base){
    return parseInt(this, base || 10);
  },

  toFloat: function(){
    return parseFloat(this);
  },

  hexToRgb: function(array){
    var hex = this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
    return (hex) ? hex.slice(1).hexToRgb(array) : null;
  },

  rgbToHex: function(array){
    var rgb = this.match(/\d{1,3}/g);
    return (rgb) ? rgb.rgbToHex(array) : null;
  },

  stripScripts: function(option){
    var scripts = '';
    var text = this.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(){
      scripts += arguments[1] + '\n';
      return '';
    });
    if (option === true) $exec(scripts);
    else if ($type(option) == 'function') option(scripts, text);
    return text;
  },

  substitute: function(object, regexp){
    return this.replace(regexp || (/\\?\{([^{}]+)\}/g), function(match, name){
      if (match.charAt(0) == '\\') return match.slice(1);
      return (object[name] != undefined) ? object[name] : '';
    });
  }

});


/*
Script: Hash.js
  Contains Hash Prototypes. Provides a means for overcoming the JavaScript practical impossibility of extending native Objects.

License:
  MIT-style license.
*/

Hash.implement({

  has: Object.prototype.hasOwnProperty,

  keyOf: function(value){
    for (var key in this){
      if (this.hasOwnProperty(key) && this[key] === value) return key;
    }
    return null;
  },

  hasValue: function(value){
    return (Hash.keyOf(this, value) !== null);
  },

  extend: function(properties){
    Hash.each(properties, function(value, key){
      Hash.set(this, key, value);
    }, this);
    return this;
  },

  combine: function(properties){
    Hash.each(properties, function(value, key){
      Hash.include(this, key, value);
    }, this);
    return this;
  },

  erase: function(key){
    if (this.hasOwnProperty(key)) delete this[key];
    return this;
  },

  get: function(key){
    return (this.hasOwnProperty(key)) ? this[key] : null;
  },

  set: function(key, value){
    if (!this[key] || this.hasOwnProperty(key)) this[key] = value;
    return this;
  },

  empty: function(){
    Hash.each(this, function(value, key){
      delete this[key];
    }, this);
    return this;
  },

  include: function(key, value){
    var k = this[key];
    if (k == undefined) this[key] = value;
    return this;
  },

  map: function(fn, bind){
    var results = new Hash;
    Hash.each(this, function(value, key){
      results.set(key, fn.call(bind, value, key, this));
    }, this);
    return results;
  },

  filter: function(fn, bind){
    var results = new Hash;
    Hash.each(this, function(value, key){
      if (fn.call(bind, value, key, this)) results.set(key, value);
    }, this);
    return results;
  },

  every: function(fn, bind){
    for (var key in this){
      if (this.hasOwnProperty(key) && !fn.call(bind, this[key], key)) return false;
    }
    return true;
  },

  some: function(fn, bind){
    for (var key in this){
      if (this.hasOwnProperty(key) && fn.call(bind, this[key], key)) return true;
    }
    return false;
  },

  getKeys: function(){
    var keys = [];
    Hash.each(this, function(value, key){
      keys.push(key);
    });
    return keys;
  },

  getValues: function(){
    var values = [];
    Hash.each(this, function(value){
      values.push(value);
    });
    return values;
  },

  toQueryString: function(base){
    var queryString = [];
    Hash.each(this, function(value, key){
      if (base) key = base + '[' + key + ']';
      var result;
      switch ($type(value)){
        case 'object': result = Hash.toQueryString(value, key); break;
        case 'array':
          var qs = {};
          value.each(function(val, i){
            qs[i] = val;
          });
          result = Hash.toQueryString(qs, key);
        break;
        default: result = key + '=' + encodeURIComponent(value);
      }
      if (value != undefined) queryString.push(result);
    });

    return queryString.join('&');
  }

});

Hash.alias({keyOf: 'indexOf', hasValue: 'contains'});


/*
Script: Event.js
  Contains the Event Native, to make the event object completely crossbrowser.

License:
  MIT-style license.
*/

var Event = new Native({

  name: 'Event',

  initialize: function(event, win){
    win = win || window;
    var doc = win.document;
    event = event || win.event;
    if (event.$extended) return event;
    this.$extended = true;
    var type = event.type;
    var target = event.target || event.srcElement;
    while (target && target.nodeType == 3) target = target.parentNode;

    if (type.test(/key/)){
      var code = event.which || event.keyCode;
      var key = Event.Keys.keyOf(code);
      if (type == 'keydown'){
        var fKey = code - 111;
        if (fKey > 0 && fKey < 13) key = 'f' + fKey;
      }
      key = key || String.fromCharCode(code).toLowerCase();
    } else if (type.match(/(click|mouse|menu)/i)){
      doc = (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
      var page = {
        x: event.pageX || event.clientX + doc.scrollLeft,
        y: event.pageY || event.clientY + doc.scrollTop
      };
      var client = {
        x: (event.pageX) ? event.pageX - win.pageXOffset : event.clientX,
        y: (event.pageY) ? event.pageY - win.pageYOffset : event.clientY
      };
      if (type.match(/DOMMouseScroll|mousewheel/)){
        var wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;
      }
      var rightClick = (event.which == 3) || (event.button == 2);
      var related = null;
      if (type.match(/over|out/)){
        switch (type){
          case 'mouseover': related = event.relatedTarget || event.fromElement; break;
          case 'mouseout': related = event.relatedTarget || event.toElement;
        }
        if (!(function(){
          while (related && related.nodeType == 3) related = related.parentNode;
          return true;
        }).create({attempt: Browser.Engine.gecko})()) related = false;
      }
    }

    return $extend(this, {
      event: event,
      type: type,

      page: page,
      client: client,
      rightClick: rightClick,

      wheel: wheel,

      relatedTarget: related,
      target: target,

      code: code,
      key: key,

      shift: event.shiftKey,
      control: event.ctrlKey,
      alt: event.altKey,
      meta: event.metaKey
    });
  }

});

Event.Keys = new Hash({
  'enter': 13,
  'up': 38,
  'down': 40,
  'left': 37,
  'right': 39,
  'esc': 27,
  'space': 32,
  'backspace': 8,
  'tab': 9,
  'delete': 46
});

Event.implement({

  stop: function(){
    return this.stopPropagation().preventDefault();
  },

  stopPropagation: function(){
    if (this.event.stopPropagation) this.event.stopPropagation();
    else this.event.cancelBubble = true;
    return this;
  },

  preventDefault: function(){
    if (this.event.preventDefault) this.event.preventDefault();
    else this.event.returnValue = false;
    return this;
  }

});


/*
Script: Class.js
  Contains the Class Function for easily creating, extending, and implementing reusable Classes.

License:
  MIT-style license.
*/

var Class = new Native({

  name: 'Class',

  initialize: function(properties){
    properties = properties || {};
    var klass = function(){
      for (var key in this){
        if ($type(this[key]) != 'function') this[key] = $unlink(this[key]);
      }
      this.constructor = klass;
      if (Class.prototyping) return this;
      var instance = (this.initialize) ? this.initialize.apply(this, arguments) : this;
      if (this.options && this.options.initialize) this.options.initialize.call(this);
      return instance;
    };

    for (var mutator in Class.Mutators){
      if (!properties[mutator]) continue;
      properties = Class.Mutators[mutator](properties, properties[mutator]);
      delete properties[mutator];
    }

    $extend(klass, this);
    klass.constructor = Class;
    klass.prototype = properties;
    return klass;
  }

});

Class.Mutators = {

  Extends: function(self, klass){
    Class.prototyping = klass.prototype;
    var subclass = new klass;
    delete subclass.parent;
    subclass = Class.inherit(subclass, self);
    delete Class.prototyping;
    return subclass;
  },

  Implements: function(self, klasses){
    $splat(klasses).each(function(klass){
      Class.prototying = klass;
      $extend(self, ($type(klass) == 'class') ? new klass : klass);
      delete Class.prototyping;
    });
    return self;
  }

};

Class.extend({

  inherit: function(object, properties){
    var caller = arguments.callee.caller;
    for (var key in properties){
      var override = properties[key];
      var previous = object[key];
      var type = $type(override);
      if (previous && type == 'function'){
        if (override != previous){
          if (caller){
            override.__parent = previous;
            object[key] = override;
          } else {
            Class.override(object, key, override);
          }
        }
      } else if(type == 'object'){
        object[key] = $merge(previous, override);
      } else {
        object[key] = override;
      }
    }

    if (caller) object.parent = function(){
      return arguments.callee.caller.__parent.apply(this, arguments);
    };

    return object;
  },

  override: function(object, name, method){
    var parent = Class.prototyping;
    if (parent && object[name] != parent[name]) parent = null;
    var override = function(){
      var previous = this.parent;
      this.parent = parent ? parent[name] : object[name];
      var value = method.apply(this, arguments);
      this.parent = previous;
      return value;
    };
    object[name] = override;
  }

});

Class.implement({

  implement: function(){
    var proto = this.prototype;
    $each(arguments, function(properties){
      Class.inherit(proto, properties);
    });
    return this;
  }

});


/*
Script: Class.Extras.js
  Contains Utility Classes that can be implemented into your own Classes to ease the execution of many common tasks.

License:
  MIT-style license.
*/

var Chain = new Class({

  $chain: [],

  chain: function(){
    this.$chain.extend(Array.flatten(arguments));
    return this;
  },

  callChain: function(){
    return (this.$chain.length) ? this.$chain.shift().apply(this, arguments) : false;
  },

  clearChain: function(){
    this.$chain.empty();
    return this;
  }

});

var Events = new Class({

  $events: {},

  addEvent: function(type, fn, internal){
    type = Events.removeOn(type);
    if (fn != $empty){
      this.$events[type] = this.$events[type] || [];
      this.$events[type].include(fn);
      if (internal) fn.internal = true;
    }
    return this;
  },

  addEvents: function(events){
    for (var type in events) this.addEvent(type, events[type]);
    return this;
  },

  fireEvent: function(type, args, delay){
    type = Events.removeOn(type);
    if (!this.$events || !this.$events[type]) return this;
    this.$events[type].each(function(fn){
      fn.create({'bind': this, 'delay': delay, 'arguments': args})();
    }, this);
    return this;
  },

  removeEvent: function(type, fn){
    type = Events.removeOn(type);
    if (!this.$events[type]) return this;
    if (!fn.internal) this.$events[type].erase(fn);
    return this;
  },

  removeEvents: function(events){
    if ($type(events) == 'object'){
      for (var type in events) this.removeEvent(type, events[type]);
      return this;
    }
    if (events) events = Events.removeOn(events);
    for (var type in this.$events){
      if (events && events != type) continue;
      var fns = this.$events[type];
      for (var i = fns.length; i--; i) this.removeEvent(type, fns[i]);
    }
    return this;
  }

});

Events.removeOn = function(string){
  return string.replace(/^on([A-Z])/, function(full, first) {
    return first.toLowerCase();
  });
};

var Options = new Class({

  setOptions: function(){
    this.options = $merge.run([this.options].extend(arguments));
    if (!this.addEvent) return this;
    for (var option in this.options){
      if ($type(this.options[option]) != 'function' || !(/^on[A-Z]/).test(option)) continue;
      this.addEvent(option, this.options[option]);
      delete this.options[option];
    }
    return this;
  }

});


/*
Script: Element.js
  One of the most important items in MooTools. Contains the dollar function, the dollars function, and an handful of cross-browser,
  time-saver methods to let you easily work with HTML Elements.

License:
  MIT-style license.
*/

var Element = new Native({

  name: 'Element',

  legacy: window.Element,

  initialize: function(tag, props){
    var konstructor = Element.Constructors.get(tag);
    if (konstructor) return konstructor(props);
    if (typeof tag == 'string') return document.newElement(tag, props);
    return $(tag).set(props);
  },

  afterImplement: function(key, value){
    Element.Prototype[key] = value;
    if (Array[key]) return;
    Elements.implement(key, function(){
      var items = [], elements = true;
      for (var i = 0, j = this.length; i < j; i++){
        var returns = this[i][key].apply(this[i], arguments);
        items.push(returns);
        if (elements) elements = ($type(returns) == 'element');
      }
      return (elements) ? new Elements(items) : items;
    });
  }

});

Element.Prototype = {$family: {name: 'element'}};

Element.Constructors = new Hash;

var IFrame = new Native({

  name: 'IFrame',

  generics: false,

  initialize: function(){
    var params = Array.link(arguments, {properties: Object.type, iframe: $defined});
    var props = params.properties || {};
    var iframe = $(params.iframe) || false;
    var onload = props.onload || $empty;
    delete props.onload;
    props.id = props.name = $pick(props.id, props.name, iframe.id, iframe.name, 'IFrame_' + $time());
    iframe = new Element(iframe || 'iframe', props);
    var onFrameLoad = function(){
      var host = $try(function(){
        return iframe.contentWindow.location.host;
      });
      if (host && host == window.location.host){
        var win = new Window(iframe.contentWindow);
        new Document(iframe.contentWindow.document);
        $extend(win.Element.prototype, Element.Prototype);
      }
      onload.call(iframe.contentWindow, iframe.contentWindow.document);
    };
    (window.frames[props.id]) ? onFrameLoad() : iframe.addListener('load', onFrameLoad);
    return iframe;
  }

});

var Elements = new Native({

  initialize: function(elements, options){
    options = $extend({ddup: true, cash: true}, options);
    elements = elements || [];
    if (options.ddup || options.cash){
      var uniques = {}, returned = [];
      for (var i = 0, l = elements.length; i < l; i++){
        var el = $.element(elements[i], !options.cash);
        if (options.ddup){
          if (uniques[el.uid]) continue;
          uniques[el.uid] = true;
        }
        returned.push(el);
      }
      elements = returned;
    }
    return (options.cash) ? $extend(elements, this) : elements;
  }

});

Elements.implement({

  filter: function(filter, bind){
    if (!filter) return this;
    return new Elements(Array.filter(this, (typeof filter == 'string') ? function(item){
      return item.match(filter);
    } : filter, bind));
  }

});

Document.implement({

  newElement: function(tag, props){
    if (Browser.Engine.trident && props){
      ['name', 'type', 'checked'].each(function(attribute){
        if (!props[attribute]) return;
        tag += ' ' + attribute + '="' + props[attribute] + '"';
        if (attribute != 'checked') delete props[attribute];
      });
      tag = '<' + tag + '>';
    }
    return $.element(this.createElement(tag)).set(props);
  },

  newTextNode: function(text){
    return this.createTextNode(text);
  },

  getDocument: function(){
    return this;
  },

  getWindow: function(){
    return this.window;
  }

});

Window.implement({

  $: function(el, nocash){
    if (el && el.$family && el.uid) return el;
    var type = $type(el);
    return ($[type]) ? $[type](el, nocash, this.document) : null;
  },

  $$: function(selector){
    if (arguments.length == 1 && typeof selector == 'string') return this.document.getElements(selector);
    var elements = [];
    var args = Array.flatten(arguments);
    for (var i = 0, l = args.length; i < l; i++){
      var item = args[i];
      switch ($type(item)){
        case 'element': elements.push(item); break;
        case 'string': elements.extend(this.document.getElements(item, true));
      }
    }
    return new Elements(elements);
  },

  getDocument: function(){
    return this.document;
  },

  getWindow: function(){
    return this;
  }

});

$.string = function(id, nocash, doc){
  id = doc.getElementById(id);
  return (id) ? $.element(id, nocash) : null;
};

$.element = function(el, nocash){
  $uid(el);
  if (!nocash && !el.$family && !(/^object|embed$/i).test(el.tagName)){
    var proto = Element.Prototype;
    for (var p in proto) el[p] = proto[p];
  };
  return el;
};

$.object = function(obj, nocash, doc){
  if (obj.toElement) return $.element(obj.toElement(doc), nocash);
  return null;
};

$.textnode = $.whitespace = $.window = $.document = $arguments(0);

Native.implement([Element, Document], {

  getElement: function(selector, nocash){
    return $(this.getElements(selector, true)[0] || null, nocash);
  },

  getElements: function(tags, nocash){
    tags = tags.split(',');
    var elements = [];
    var ddup = (tags.length > 1);
    tags.each(function(tag){
      var partial = this.getElementsByTagName(tag.trim());
      (ddup) ? elements.extend(partial) : elements = partial;
    }, this);
    return new Elements(elements, {ddup: ddup, cash: !nocash});
  }

});

(function(){

var collected = {}, storage = {};
var props = {input: 'checked', option: 'selected', textarea: (Browser.Engine.webkit && Browser.Engine.version < 420) ? 'innerHTML' : 'value'};

var get = function(uid){
  return (storage[uid] || (storage[uid] = {}));
};

var clean = function(item, retain){
  if (!item) return;
  var uid = item.uid;
  if (Browser.Engine.trident){
    if (item.clearAttributes){
      var clone = retain && item.cloneNode(false);
      item.clearAttributes();
      if (clone) item.mergeAttributes(clone);
    } else if (item.removeEvents){
      item.removeEvents();
    }
    if ((/object/i).test(item.tagName)){
      for (var p in item){
        if (typeof item[p] == 'function') item[p] = $empty;
      }
      Element.dispose(item);
    }
  } 
  if (!uid) return;
  collected[uid] = storage[uid] = null;
};

var purge = function(){
  Hash.each(collected, clean);
  if (Browser.Engine.trident) $A(document.getElementsByTagName('object')).each(clean);
  if (window.CollectGarbage) CollectGarbage();
  collected = storage = null;
};

var walk = function(element, walk, start, match, all, nocash){
  var el = element[start || walk];
  var elements = [];
  while (el){
    if (el.nodeType == 1 && (!match || Element.match(el, match))){
      if (!all) return $(el, nocash);
      elements.push(el);
    }
    el = el[walk];
  }
  return (all) ? new Elements(elements, {ddup: false, cash: !nocash}) : null;
};

var attributes = {
  'html': 'innerHTML',
  'class': 'className',
  'for': 'htmlFor',
  'text': (Browser.Engine.trident || (Browser.Engine.webkit && Browser.Engine.version < 420)) ? 'innerText' : 'textContent'
};
var bools = ['compact', 'nowrap', 'ismap', 'declare', 'noshade', 'checked', 'disabled', 'readonly', 'multiple', 'selected', 'noresize', 'defer'];
var camels = ['value', 'accessKey', 'cellPadding', 'cellSpacing', 'colSpan', 'frameBorder', 'maxLength', 'readOnly', 'rowSpan', 'tabIndex', 'useMap'];

Hash.extend(attributes, bools.associate(bools));
Hash.extend(attributes, camels.associate(camels.map(String.toLowerCase)));

var inserters = {

  before: function(context, element){
    if (element.parentNode) element.parentNode.insertBefore(context, element);
  },

  after: function(context, element){
    if (!element.parentNode) return;
    var next = element.nextSibling;
    (next) ? element.parentNode.insertBefore(context, next) : element.parentNode.appendChild(context);
  },

  bottom: function(context, element){
    element.appendChild(context);
  },

  top: function(context, element){
    var first = element.firstChild;
    (first) ? element.insertBefore(context, first) : element.appendChild(context);
  }

};

inserters.inside = inserters.bottom;

Hash.each(inserters, function(inserter, where){

  where = where.capitalize();

  Element.implement('inject' + where, function(el){
    inserter(this, $(el, true));
    return this;
  });

  Element.implement('grab' + where, function(el){
    inserter($(el, true), this);
    return this;
  });

});

Element.implement({

  set: function(prop, value){
    switch ($type(prop)){
      case 'object':
        for (var p in prop) this.set(p, prop[p]);
        break;
      case 'string':
        var property = Element.Properties.get(prop);
        (property && property.set) ? property.set.apply(this, Array.slice(arguments, 1)) : this.setProperty(prop, value);
    }
    return this;
  },

  get: function(prop){
    var property = Element.Properties.get(prop);
    return (property && property.get) ? property.get.apply(this, Array.slice(arguments, 1)) : this.getProperty(prop);
  },

  erase: function(prop){
    var property = Element.Properties.get(prop);
    (property && property.erase) ? property.erase.apply(this) : this.removeProperty(prop);
    return this;
  },

  setProperty: function(attribute, value){
    var key = attributes[attribute];
    if (value == undefined) return this.removeProperty(attribute);
    if (key && bools[attribute]) value = !!value;
    (key) ? this[key] = value : this.setAttribute(attribute, '' + value);
    return this;
  },

  setProperties: function(attributes){
    for (var attribute in attributes) this.setProperty(attribute, attributes[attribute]);
    return this;
  },

  getProperty: function(attribute){
    var key = attributes[attribute];
    var value = (key) ? this[key] : this.getAttribute(attribute, 2);
    return (bools[attribute]) ? !!value : (key) ? value : value || null;
  },

  getProperties: function(){
    var args = $A(arguments);
    return args.map(this.getProperty, this).associate(args);
  },

  removeProperty: function(attribute){
    var key = attributes[attribute];
    (key) ? this[key] = (key && bools[attribute]) ? false : '' : this.removeAttribute(attribute);
    return this;
  },

  removeProperties: function(){
    Array.each(arguments, this.removeProperty, this);
    return this;
  },

  hasClass: function(className){
    return this.className.contains(className, ' ');
  },

  addClass: function(className){
    if (!this.hasClass(className)) this.className = (this.className + ' ' + className).clean();
    return this;
  },

  removeClass: function(className){
    this.className = this.className.replace(new RegExp('(^|\\s)' + className + '(?:\\s|$)'), '$1');
    return this;
  },

  toggleClass: function(className){
    return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);
  },

  adopt: function(){
    Array.flatten(arguments).each(function(element){
      element = $(element, true);
      if (element) this.appendChild(element);
    }, this);
    return this;
  },

  appendText: function(text, where){
    return this.grab(this.getDocument().newTextNode(text), where);
  },

  grab: function(el, where){
    inserters[where || 'bottom']($(el, true), this);
    return this;
  },

  inject: function(el, where){
    inserters[where || 'bottom'](this, $(el, true));
    return this;
  },

  replaces: function(el){
    el = $(el, true);
    el.parentNode.replaceChild(this, el);
    return this;
  },

  wraps: function(el, where){
    el = $(el, true);
    return this.replaces(el).grab(el, where);
  },

  getPrevious: function(match, nocash){
    return walk(this, 'previousSibling', null, match, false, nocash);
  },

  getAllPrevious: function(match, nocash){
    return walk(this, 'previousSibling', null, match, true, nocash);
  },

  getNext: function(match, nocash){
    return walk(this, 'nextSibling', null, match, false, nocash);
  },

  getAllNext: function(match, nocash){
    return walk(this, 'nextSibling', null, match, true, nocash);
  },

  getFirst: function(match, nocash){
    return walk(this, 'nextSibling', 'firstChild', match, false, nocash);
  },

  getLast: function(match, nocash){
    return walk(this, 'previousSibling', 'lastChild', match, false, nocash);
  },

  getParent: function(match, nocash){
    return walk(this, 'parentNode', null, match, false, nocash);
  },

  getParents: function(match, nocash){
    return walk(this, 'parentNode', null, match, true, nocash);
  },

  getChildren: function(match, nocash){
    return walk(this, 'nextSibling', 'firstChild', match, true, nocash);
  },

  getWindow: function(){
    return this.ownerDocument.window;
  },

  getDocument: function(){
    return this.ownerDocument;
  },

  getElementById: function(id, nocash){
    var el = this.ownerDocument.getElementById(id);
    if (!el) return null;
    for (var parent = el.parentNode; parent != this; parent = parent.parentNode){
      if (!parent) return null;
    }
    return $.element(el, nocash);
  },

  getSelected: function(){
    return new Elements($A(this.options).filter(function(option){
      return option.selected;
    }));
  },

  getComputedStyle: function(property){
    if (this.currentStyle) return this.currentStyle[property.camelCase()];
    var computed = this.getDocument().defaultView.getComputedStyle(this, null);
    return (computed) ? computed.getPropertyValue([property.hyphenate()]) : null;
  },

  toQueryString: function(){
    var queryString = [];
    this.getElements('input, select, textarea', true).each(function(el){
      if (!el.name || el.disabled) return;
      var value = (el.tagName.toLowerCase() == 'select') ? Element.getSelected(el).map(function(opt){
        return opt.value;
      }) : ((el.type == 'radio' || el.type == 'checkbox') && !el.checked) ? null : el.value;
      $splat(value).each(function(val){
        if (typeof val != 'undefined') queryString.push(el.name + '=' + encodeURIComponent(val));
      });
    });
    return queryString.join('&');
  },

  clone: function(contents, keepid){
    contents = contents !== false;
    var clone = this.cloneNode(contents);
    var clean = function(node, element){
      if (!keepid) node.removeAttribute('id');
      if (Browser.Engine.trident){
        node.clearAttributes();
        node.mergeAttributes(element);
        node.removeAttribute('uid');
        if (node.options){
          var no = node.options, eo = element.options;
          for (var j = no.length; j--;) no[j].selected = eo[j].selected;
        }
      }
      var prop = props[element.tagName.toLowerCase()];
      if (prop && element[prop]) node[prop] = element[prop];
    };

    if (contents){
      var ce = clone.getElementsByTagName('*'), te = this.getElementsByTagName('*');
      for (var i = ce.length; i--;) clean(ce[i], te[i]);
    }

    clean(clone, this);
    return $(clone);
  },

  destroy: function(){
    Element.empty(this);
    Element.dispose(this);
    clean(this, true);
    return null;
  },

  empty: function(){
    $A(this.childNodes).each(function(node){
      Element.destroy(node);
    });
    return this;
  },

  dispose: function(){
    return (this.parentNode) ? this.parentNode.removeChild(this) : this;
  },

  hasChild: function(el){
    el = $(el, true);
    if (!el) return false;
    if (Browser.Engine.webkit && Browser.Engine.version < 420) return $A(this.getElementsByTagName(el.tagName)).contains(el);
    return (this.contains) ? (this != el && this.contains(el)) : !!(this.compareDocumentPosition(el) & 16);
  },

  match: function(tag){
    return (!tag || (tag == this) || (Element.get(this, 'tag') == tag));
  }

});

Native.implement([Element, Window, Document], {

  addListener: function(type, fn){
    if (type == 'unload'){
      var old = fn, self = this;
      fn = function(){
        self.removeListener('unload', fn);
        old();
      };
    } else {
      collected[this.uid] = this;
    }
    if (this.addEventListener) this.addEventListener(type, fn, false);
    else this.attachEvent('on' + type, fn);
    return this;
  },

  removeListener: function(type, fn){
    if (this.removeEventListener) this.removeEventListener(type, fn, false);
    else this.detachEvent('on' + type, fn);
    return this;
  },

  retrieve: function(property, dflt){
    var storage = get(this.uid), prop = storage[property];
    if (dflt != undefined && prop == undefined) prop = storage[property] = dflt;
    return $pick(prop);
  },

  store: function(property, value){
    var storage = get(this.uid);
    storage[property] = value;
    return this;
  },

  eliminate: function(property){
    var storage = get(this.uid);
    delete storage[property];
    return this;
  }

});

window.addListener('unload', purge);

})();

Element.Properties = new Hash;

Element.Properties.style = {

  set: function(style){
    this.style.cssText = style;
  },

  get: function(){
    return this.style.cssText;
  },

  erase: function(){
    this.style.cssText = '';
  }

};

Element.Properties.tag = {

  get: function(){
    return this.tagName.toLowerCase();
  }

};

Element.Properties.html = (function(){
  var wrapper = document.createElement('div');

  var translations = {
    table: [1, '<table>', '</table>'],
    select: [1, '<select>', '</select>'],
    tbody: [2, '<table><tbody>', '</tbody></table>'],
    tr: [3, '<table><tbody><tr>', '</tr></tbody></table>']
  };
  translations.thead = translations.tfoot = translations.tbody;

  var html = {
    set: function(){
      var html = Array.flatten(arguments).join('');
      var wrap = Browser.Engine.trident && translations[this.get('tag')];
      if (wrap){
        var first = wrapper;
        first.innerHTML = wrap[1] + html + wrap[2];
        for (var i = wrap[0]; i--;) first = first.firstChild;
        this.empty().adopt(first.childNodes);
      } else {
        this.innerHTML = html;
      }
    }
  };

  html.erase = html.set;

  return html;
})();

if (Browser.Engine.webkit && Browser.Engine.version < 420) Element.Properties.text = {
  get: function(){
    if (this.innerText) return this.innerText;
    var temp = this.ownerDocument.newElement('div', {html: this.innerHTML}).inject(this.ownerDocument.body);
    var text = temp.innerText;
    temp.destroy();
    return text;
  }
};


/*
Script: Element.Event.js
  Contains Element methods for dealing with events, and custom Events.

License:
  MIT-style license.
*/

Element.Properties.events = {set: function(events){
  this.addEvents(events);
}};

Native.implement([Element, Window, Document], {

  addEvent: function(type, fn){
    var events = this.retrieve('events', {});
    events[type] = events[type] || {'keys': [], 'values': []};
    if (events[type].keys.contains(fn)) return this;
    events[type].keys.push(fn);
    var realType = type, custom = Element.Events.get(type), condition = fn, self = this;
    if (custom){
      if (custom.onAdd) custom.onAdd.call(this, fn);
      if (custom.condition){
        condition = function(event){
          if (custom.condition.call(this, event)) return fn.call(this, event);
          return true;
        };
      }
      realType = custom.base || realType;
    }
    var defn = function(){
      return fn.call(self);
    };
    var nativeEvent = Element.NativeEvents[realType];
    if (nativeEvent){
      if (nativeEvent == 2){
        defn = function(event){
          event = new Event(event, self.getWindow());
          if (condition.call(self, event) === false) event.stop();
        };
      }
      this.addListener(realType, defn);
    }
    events[type].values.push(defn);
    return this;
  },

  removeEvent: function(type, fn){
    var events = this.retrieve('events');
    if (!events || !events[type]) return this;
    var pos = events[type].keys.indexOf(fn);
    if (pos == -1) return this;
    events[type].keys.splice(pos, 1);
    var value = events[type].values.splice(pos, 1)[0];
    var custom = Element.Events.get(type);
    if (custom){
      if (custom.onRemove) custom.onRemove.call(this, fn);
      type = custom.base || type;
    }
    return (Element.NativeEvents[type]) ? this.removeListener(type, value) : this;
  },

  addEvents: function(events){
    for (var event in events) this.addEvent(event, events[event]);
    return this;
  },

  removeEvents: function(events){
    if ($type(events) == 'object'){
      for (var type in events) this.removeEvent(type, events[type]);
      return this;
    }
    var attached = this.retrieve('events');
    if (!attached) return this;
    if (!events){
      for (var type in attached) this.removeEvents(type);
      this.eliminate('events');
    } else if (attached[events]){
      while (attached[events].keys[0]) this.removeEvent(events, attached[events].keys[0]);
      attached[events] = null;
    }
    return this;
  },

  fireEvent: function(type, args, delay){
    var events = this.retrieve('events');
    if (!events || !events[type]) return this;
    events[type].keys.each(function(fn){
      fn.create({'bind': this, 'delay': delay, 'arguments': args})();
    }, this);
    return this;
  },

  cloneEvents: function(from, type){
    from = $(from);
    var fevents = from.retrieve('events');
    if (!fevents) return this;
    if (!type){
      for (var evType in fevents) this.cloneEvents(from, evType);
    } else if (fevents[type]){
      fevents[type].keys.each(function(fn){
        this.addEvent(type, fn);
      }, this);
    }
    return this;
  }

});

Element.NativeEvents = {
  click: 2, dblclick: 2, mouseup: 2, mousedown: 2, contextmenu: 2, //mouse buttons
  mousewheel: 2, DOMMouseScroll: 2, //mouse wheel
  mouseover: 2, mouseout: 2, mousemove: 2, selectstart: 2, selectend: 2, //mouse movement
  keydown: 2, keypress: 2, keyup: 2, //keyboard
  focus: 2, blur: 2, change: 2, reset: 2, select: 2, submit: 2, //form elements
  load: 1, unload: 1, beforeunload: 2, resize: 1, move: 1, DOMContentLoaded: 1, readystatechange: 1, //window
  error: 1, abort: 1, scroll: 1 //misc
};

(function(){

var $check = function(event){
  var related = event.relatedTarget;
  if (related == undefined) return true;
  if (related === false) return false;
  return ($type(this) != 'document' && related != this && related.prefix != 'xul' && !this.hasChild(related));
};

Element.Events = new Hash({

  mouseenter: {
    base: 'mouseover',
    condition: $check
  },

  mouseleave: {
    base: 'mouseout',
    condition: $check
  },

  mousewheel: {
    base: (Browser.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel'
  }

});

})();


/*
Script: Element.Style.js
  Contains methods for interacting with the styles of Elements in a fashionable way.

License:
  MIT-style license.
*/

Element.Properties.styles = {set: function(styles){
  this.setStyles(styles);
}};

Element.Properties.opacity = {

  set: function(opacity, novisibility){
    if (!novisibility){
      if (opacity == 0){
        if (this.style.visibility != 'hidden') this.style.visibility = 'hidden';
      } else {
        if (this.style.visibility != 'visible') this.style.visibility = 'visible';
      }
    }
    if (!this.currentStyle || !this.currentStyle.hasLayout) this.style.zoom = 1;
    if (Browser.Engine.trident) this.style.filter = (opacity == 1) ? '' : 'alpha(opacity=' + opacity * 100 + ')';
    this.style.opacity = opacity;
    this.store('opacity', opacity);
  },

  get: function(){
    return this.retrieve('opacity', 1);
  }

};

Element.implement({

  setOpacity: function(value){
    return this.set('opacity', value, true);
  },

  getOpacity: function(){
    return this.get('opacity');
  },

  setStyle: function(property, value){
    switch (property){
      case 'opacity': return this.set('opacity', parseFloat(value));
      case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';
    }
    property = property.camelCase();
    if ($type(value) != 'string'){
      var map = (Element.Styles.get(property) || '@').split(' ');
      value = $splat(value).map(function(val, i){
        if (!map[i]) return '';
        return ($type(val) == 'number') ? map[i].replace('@', Math.round(val)) : val;
      }).join(' ');
    } else if (value == String(Number(value))){
      value = Math.round(value);
    }
    this.style[property] = value;
    return this;
  },

  getStyle: function(property){
    switch (property){
      case 'opacity': return this.get('opacity');
      case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';
    }
    property = property.camelCase();
    var result = this.style[property];
    if (!$chk(result)){
      result = [];
      for (var style in Element.ShortStyles){
        if (property != style) continue;
        for (var s in Element.ShortStyles[style]) result.push(this.getStyle(s));
        return result.join(' ');
      }
      result = this.getComputedStyle(property);
    }
    if (result){
      result = String(result);
      var color = result.match(/rgba?\([\d\s,]+\)/);
      if (color) result = result.replace(color[0], color[0].rgbToHex());
    }
    if (Browser.Engine.presto || (Browser.Engine.trident && !$chk(parseInt(result)))){
      if (property.test(/^(height|width)$/)){
        var values = (property == 'width') ? ['left', 'right'] : ['top', 'bottom'], size = 0;
        values.each(function(value){
          size += this.getStyle('border-' + value + '-width').toInt() + this.getStyle('padding-' + value).toInt();
        }, this);
        return this['offset' + property.capitalize()] - size + 'px';
      }
      if ((Browser.Engine.presto) && String(result).test('px')) return result;
      if (property.test(/(border(.+)Width|margin|padding)/)) return '0px';
    }
    return result;
  },

  setStyles: function(styles){
    for (var style in styles) this.setStyle(style, styles[style]);
    return this;
  },

  getStyles: function(){
    var result = {};
    Array.each(arguments, function(key){
      result[key] = this.getStyle(key);
    }, this);
    return result;
  }

});

Element.Styles = new Hash({
  left: '@px', top: '@px', bottom: '@px', right: '@px',
  width: '@px', height: '@px', maxWidth: '@px', maxHeight: '@px', minWidth: '@px', minHeight: '@px',
  backgroundColor: 'rgb(@, @, @)', backgroundPosition: '@px @px', color: 'rgb(@, @, @)',
  fontSize: '@px', letterSpacing: '@px', lineHeight: '@px', clip: 'rect(@px @px @px @px)',
  margin: '@px @px @px @px', padding: '@px @px @px @px', border: '@px @ rgb(@, @, @) @px @ rgb(@, @, @) @px @ rgb(@, @, @)',
  borderWidth: '@px @px @px @px', borderStyle: '@ @ @ @', borderColor: 'rgb(@, @, @) rgb(@, @, @) rgb(@, @, @) rgb(@, @, @)',
  zIndex: '@', 'zoom': '@', fontWeight: '@', textIndent: '@px', opacity: '@'
});

Element.ShortStyles = {margin: {}, padding: {}, border: {}, borderWidth: {}, borderStyle: {}, borderColor: {}};

['Top', 'Right', 'Bottom', 'Left'].each(function(direction){
  var Short = Element.ShortStyles;
  var All = Element.Styles;
  ['margin', 'padding'].each(function(style){
    var sd = style + direction;
    Short[style][sd] = All[sd] = '@px';
  });
  var bd = 'border' + direction;
  Short.border[bd] = All[bd] = '@px @ rgb(@, @, @)';
  var bdw = bd + 'Width', bds = bd + 'Style', bdc = bd + 'Color';
  Short[bd] = {};
  Short.borderWidth[bdw] = Short[bd][bdw] = All[bdw] = '@px';
  Short.borderStyle[bds] = Short[bd][bds] = All[bds] = '@';
  Short.borderColor[bdc] = Short[bd][bdc] = All[bdc] = 'rgb(@, @, @)';
});


/*
Script: Element.Dimensions.js
  Contains methods to work with size, scroll, or positioning of Elements and the window object.

License:
  MIT-style license.

Credits:
  - Element positioning based on the [qooxdoo](http://qooxdoo.org/) code and smart browser fixes, [LGPL License](http://www.gnu.org/licenses/lgpl.html).
  - Viewport dimensions based on [YUI](http://developer.yahoo.com/yui/) code, [BSD License](http://developer.yahoo.com/yui/license.html).
*/

(function(){

Element.implement({

  scrollTo: function(x, y){
    if (isBody(this)){
      this.getWindow().scrollTo(x, y);
    } else {
      this.scrollLeft = x;
      this.scrollTop = y;
    }
    return this;
  },

  getSize: function(){
    if (isBody(this)) return this.getWindow().getSize();
    return {x: this.offsetWidth, y: this.offsetHeight};
  },

  getScrollSize: function(){
    if (isBody(this)) return this.getWindow().getScrollSize();
    return {x: this.scrollWidth, y: this.scrollHeight};
  },

  getScroll: function(){
    if (isBody(this)) return this.getWindow().getScroll();
    return {x: this.scrollLeft, y: this.scrollTop};
  },

  getScrolls: function(){
    var element = this, position = {x: 0, y: 0};
    while (element && !isBody(element)){
      position.x += element.scrollLeft;
      position.y += element.scrollTop;
      element = element.parentNode;
    }
    return position;
  },

  getOffsetParent: function(){
    var element = this;
    if (isBody(element)) return null;
    if (!Browser.Engine.trident) return element.offsetParent;
    while ((element = element.parentNode) && !isBody(element)){
      if (styleString(element, 'position') != 'static') return element;
    }
    return null;
  },

  getOffsets: function(){
    if (Browser.Engine.trident){
      var bound = this.getBoundingClientRect(), html = this.getDocument().documentElement;
      return {
        x: bound.left + html.scrollLeft - html.clientLeft,
        y: bound.top + html.scrollTop - html.clientTop
      };
    }

    var element = this, position = {x: 0, y: 0};
    if (isBody(this)) return position;

    while (element && !isBody(element)){
      position.x += element.offsetLeft;
      position.y += element.offsetTop;

      if (Browser.Engine.gecko){
        if (!borderBox(element)){
          position.x += leftBorder(element);
          position.y += topBorder(element);
        }
        var parent = element.parentNode;
        if (parent && styleString(parent, 'overflow') != 'visible'){
          position.x += leftBorder(parent);
          position.y += topBorder(parent);
        }
      } else if (element != this && Browser.Engine.webkit){
        position.x += leftBorder(element);
        position.y += topBorder(element);
      }

      element = element.offsetParent;
    }
    if (Browser.Engine.gecko && !borderBox(this)){
      position.x -= leftBorder(this);
      position.y -= topBorder(this);
    }
    return position;
  },

  getPosition: function(relative){
    if (isBody(this)) return {x: 0, y: 0};
    var offset = this.getOffsets(), scroll = this.getScrolls();
    var position = {x: offset.x - scroll.x, y: offset.y - scroll.y};
    var relativePosition = (relative && (relative = $(relative))) ? relative.getPosition() : {x: 0, y: 0};
    return {x: position.x - relativePosition.x, y: position.y - relativePosition.y};
  },

  getCoordinates: function(element){
    if (isBody(this)) return this.getWindow().getCoordinates();
    var position = this.getPosition(element), size = this.getSize();
    var obj = {left: position.x, top: position.y, width: size.x, height: size.y};
    obj.right = obj.left + obj.width;
    obj.bottom = obj.top + obj.height;
    return obj;
  },

  computePosition: function(obj){
    return {left: obj.x - styleNumber(this, 'margin-left'), top: obj.y - styleNumber(this, 'margin-top')};
  },

  position: function(obj){
    return this.setStyles(this.computePosition(obj));
  }

});

Native.implement([Document, Window], {

  getSize: function(){
    var win = this.getWindow();
    if (Browser.Engine.presto || Browser.Engine.webkit) return {x: win.innerWidth, y: win.innerHeight};
    var doc = getCompatElement(this);
    return {x: doc.clientWidth, y: doc.clientHeight};
  },

  getScroll: function(){
    var win = this.getWindow();
    var doc = getCompatElement(this);
    return {x: win.pageXOffset || doc.scrollLeft, y: win.pageYOffset || doc.scrollTop};
  },

  getScrollSize: function(){
    var doc = getCompatElement(this);
    var min = this.getSize();
    return {x: Math.max(doc.scrollWidth, min.x), y: Math.max(doc.scrollHeight, min.y)};
  },

  getPosition: function(){
    return {x: 0, y: 0};
  },

  getCoordinates: function(){
    var size = this.getSize();
    return {top: 0, left: 0, bottom: size.y, right: size.x, height: size.y, width: size.x};
  }

});

// private methods

var styleString = Element.getComputedStyle;

function styleNumber(element, style){
  return styleString(element, style).toInt() || 0;
};

function borderBox(element){
  return styleString(element, '-moz-box-sizing') == 'border-box';
};

function topBorder(element){
  return styleNumber(element, 'border-top-width');
};

function leftBorder(element){
  return styleNumber(element, 'border-left-width');
};

function isBody(element){
  return (/^(?:body|html)$/i).test(element.tagName);
};

function getCompatElement(element){
  var doc = element.getDocument();
  return (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
};

})();

//aliases

Native.implement([Window, Document, Element], {

  getHeight: function(){
    return this.getSize().y;
  },

  getWidth: function(){
    return this.getSize().x;
  },

  getScrollTop: function(){
    return this.getScroll().y;
  },

  getScrollLeft: function(){
    return this.getScroll().x;
  },

  getScrollHeight: function(){
    return this.getScrollSize().y;
  },

  getScrollWidth: function(){
    return this.getScrollSize().x;
  },

  getTop: function(){
    return this.getPosition().y;
  },

  getLeft: function(){
    return this.getPosition().x;
  }

});


/*
Script: Selectors.js
  Adds advanced CSS Querying capabilities for targeting elements. Also includes pseudoselectors support.

License:
  MIT-style license.
*/

Native.implement([Document, Element], {

  getElements: function(expression, nocash){
    expression = expression.split(',');
    var items, local = {};
    for (var i = 0, l = expression.length; i < l; i++){
      var selector = expression[i], elements = Selectors.Utils.search(this, selector, local);
      if (i != 0 && elements.item) elements = $A(elements);
      items = (i == 0) ? elements : (items.item) ? $A(items).concat(elements) : items.concat(elements);
    }
    return new Elements(items, {ddup: (expression.length > 1), cash: !nocash});
  }

});

Element.implement({

  match: function(selector){
    if (!selector || (selector == this)) return true;
    var tagid = Selectors.Utils.parseTagAndID(selector);
    var tag = tagid[0], id = tagid[1];
    if (!Selectors.Filters.byID(this, id) || !Selectors.Filters.byTag(this, tag)) return false;
    var parsed = Selectors.Utils.parseSelector(selector);
    return (parsed) ? Selectors.Utils.filter(this, parsed, {}) : true;
  }

});

var Selectors = {Cache: {nth: {}, parsed: {}}};

Selectors.RegExps = {
  id: (/#([\w-]+)/),
  tag: (/^(\w+|\*)/),
  quick: (/^(\w+|\*)$/),
  splitter: (/\s*([+>~\s])\s*([a-zA-Z#.*:\[])/g),
  combined: (/\.([\w-]+)|\[(\w+)(?:([!*^$~|]?=)(["']?)([^\4]*?)\4)?\]|:([\w-]+)(?:\(["']?(.*?)?["']?\)|$)/g)
};

Selectors.Utils = {

  chk: function(item, uniques){
    if (!uniques) return true;
    var uid = $uid(item);
    if (!uniques[uid]) return uniques[uid] = true;
    return false;
  },

  parseNthArgument: function(argument){
    if (Selectors.Cache.nth[argument]) return Selectors.Cache.nth[argument];
    var parsed = argument.match(/^([+-]?\d*)?([a-z]+)?([+-]?\d*)?$/);
    if (!parsed) return false;
    var inta = parseInt(parsed[1]);
    var a = (inta || inta === 0) ? inta : 1;
    var special = parsed[2] || false;
    var b = parseInt(parsed[3]) || 0;
    if (a != 0){
      b--;
      while (b < 1) b += a;
      while (b >= a) b -= a;
    } else {
      a = b;
      special = 'index';
    }
    switch (special){
      case 'n': parsed = {a: a, b: b, special: 'n'}; break;
      case 'odd': parsed = {a: 2, b: 0, special: 'n'}; break;
      case 'even': parsed = {a: 2, b: 1, special: 'n'}; break;
      case 'first': parsed = {a: 0, special: 'index'}; break;
      case 'last': parsed = {special: 'last-child'}; break;
      case 'only': parsed = {special: 'only-child'}; break;
      default: parsed = {a: (a - 1), special: 'index'};
    }

    return Selectors.Cache.nth[argument] = parsed;
  },

  parseSelector: function(selector){
    if (Selectors.Cache.parsed[selector]) return Selectors.Cache.parsed[selector];
    var m, parsed = {classes: [], pseudos: [], attributes: []};
    while ((m = Selectors.RegExps.combined.exec(selector))){
      var cn = m[1], an = m[2], ao = m[3], av = m[5], pn = m[6], pa = m[7];
      if (cn){
        parsed.classes.push(cn);
      } else if (pn){
        var parser = Selectors.Pseudo.get(pn);
        if (parser) parsed.pseudos.push({parser: parser, argument: pa});
        else parsed.attributes.push({name: pn, operator: '=', value: pa});
      } else if (an){
        parsed.attributes.push({name: an, operator: ao, value: av});
      }
    }
    if (!parsed.classes.length) delete parsed.classes;
    if (!parsed.attributes.length) delete parsed.attributes;
    if (!parsed.pseudos.length) delete parsed.pseudos;
    if (!parsed.classes && !parsed.attributes && !parsed.pseudos) parsed = null;
    return Selectors.Cache.parsed[selector] = parsed;
  },

  parseTagAndID: function(selector){
    var tag = selector.match(Selectors.RegExps.tag);
    var id = selector.match(Selectors.RegExps.id);
    return [(tag) ? tag[1] : '*', (id) ? id[1] : false];
  },

  filter: function(item, parsed, local){
    var i;
    if (parsed.classes){
      for (i = parsed.classes.length; i--; i){
        var cn = parsed.classes[i];
        if (!Selectors.Filters.byClass(item, cn)) return false;
      }
    }
    if (parsed.attributes){
      for (i = parsed.attributes.length; i--; i){
        var att = parsed.attributes[i];
        if (!Selectors.Filters.byAttribute(item, att.name, att.operator, att.value)) return false;
      }
    }
    if (parsed.pseudos){
      for (i = parsed.pseudos.length; i--; i){
        var psd = parsed.pseudos[i];
        if (!Selectors.Filters.byPseudo(item, psd.parser, psd.argument, local)) return false;
      }
    }
    return true;
  },

  getByTagAndID: function(ctx, tag, id){
    if (id){
      var item = (ctx.getElementById) ? ctx.getElementById(id, true) : Element.getElementById(ctx, id, true);
      return (item && Selectors.Filters.byTag(item, tag)) ? [item] : [];
    } else {
      return ctx.getElementsByTagName(tag);
    }
  },

  search: function(self, expression, local){
    var splitters = [];

    var selectors = expression.trim().replace(Selectors.RegExps.splitter, function(m0, m1, m2){
      splitters.push(m1);
      return ':)' + m2;
    }).split(':)');

    var items, filtered, item;

    for (var i = 0, l = selectors.length; i < l; i++){

      var selector = selectors[i];

      if (i == 0 && Selectors.RegExps.quick.test(selector)){
        items = self.getElementsByTagName(selector);
        continue;
      }

      var splitter = splitters[i - 1];

      var tagid = Selectors.Utils.parseTagAndID(selector);
      var tag = tagid[0], id = tagid[1];

      if (i == 0){
        items = Selectors.Utils.getByTagAndID(self, tag, id);
      } else {
        var uniques = {}, found = [];
        for (var j = 0, k = items.length; j < k; j++) found = Selectors.Getters[splitter](found, items[j], tag, id, uniques);
        items = found;
      }

      var parsed = Selectors.Utils.parseSelector(selector);

      if (parsed){
        filtered = [];
        for (var m = 0, n = items.length; m < n; m++){
          item = items[m];
          if (Selectors.Utils.filter(item, parsed, local)) filtered.push(item);
        }
        items = filtered;
      }

    }

    return items;

  }

};

Selectors.Getters = {

  ' ': function(found, self, tag, id, uniques){
    var items = Selectors.Utils.getByTagAndID(self, tag, id);
    for (var i = 0, l = items.length; i < l; i++){
      var item = items[i];
      if (Selectors.Utils.chk(item, uniques)) found.push(item);
    }
    return found;
  },

  '>': function(found, self, tag, id, uniques){
    var children = Selectors.Utils.getByTagAndID(self, tag, id);
    for (var i = 0, l = children.length; i < l; i++){
      var child = children[i];
      if (child.parentNode == self && Selectors.Utils.chk(child, uniques)) found.push(child);
    }
    return found;
  },

  '+': function(found, self, tag, id, uniques){
    while ((self = self.nextSibling)){
      if (self.nodeType == 1){
        if (Selectors.Utils.chk(self, uniques) && Selectors.Filters.byTag(self, tag) && Selectors.Filters.byID(self, id)) found.push(self);
        break;
      }
    }
    return found;
  },

  '~': function(found, self, tag, id, uniques){
    while ((self = self.nextSibling)){
      if (self.nodeType == 1){
        if (!Selectors.Utils.chk(self, uniques)) break;
        if (Selectors.Filters.byTag(self, tag) && Selectors.Filters.byID(self, id)) found.push(self);
      }
    }
    return found;
  }

};

Selectors.Filters = {

  byTag: function(self, tag){
    return (tag == '*' || (self.tagName && self.tagName.toLowerCase() == tag));
  },

  byID: function(self, id){
    return (!id || (self.id && self.id == id));
  },

  byClass: function(self, klass){
    return (self.className && self.className.contains(klass, ' '));
  },

  byPseudo: function(self, parser, argument, local){
    return parser.call(self, argument, local);
  },

  byAttribute: function(self, name, operator, value){
    var result = Element.prototype.getProperty.call(self, name);
    if (!result) return (operator == '!=');
    if (!operator || value == undefined) return true;
    switch (operator){
      case '=': return (result == value);
      case '*=': return (result.contains(value));
      case '^=': return (result.substr(0, value.length) == value);
      case '$=': return (result.substr(result.length - value.length) == value);
      case '!=': return (result != value);
      case '~=': return result.contains(value, ' ');
      case '|=': return result.contains(value, '-');
    }
    return false;
  }

};

Selectors.Pseudo = new Hash({

  // w3c pseudo selectors

  checked: function(){
    return this.checked;
  },

  empty: function(){
    return !(this.innerText || this.textContent || '').length;
  },

  not: function(selector){
    return !Element.match(this, selector);
  },

  contains: function(text){
    return (this.innerText || this.textContent || '').contains(text);
  },

  'first-child': function(){
    return Selectors.Pseudo.index.call(this, 0);
  },

  'last-child': function(){
    var element = this;
    while ((element = element.nextSibling)){
      if (element.nodeType == 1) return false;
    }
    return true;
  },

  'only-child': function(){
    var prev = this;
    while ((prev = prev.previousSibling)){
      if (prev.nodeType == 1) return false;
    }
    var next = this;
    while ((next = next.nextSibling)){
      if (next.nodeType == 1) return false;
    }
    return true;
  },

  'nth-child': function(argument, local){
    argument = (argument == undefined) ? 'n' : argument;
    var parsed = Selectors.Utils.parseNthArgument(argument);
    if (parsed.special != 'n') return Selectors.Pseudo[parsed.special].call(this, parsed.a, local);
    var count = 0;
    local.positions = local.positions || {};
    var uid = $uid(this);
    if (!local.positions[uid]){
      var self = this;
      while ((self = self.previousSibling)){
        if (self.nodeType != 1) continue;
        count ++;
        var position = local.positions[$uid(self)];
        if (position != undefined){
          count = position + count;
          break;
        }
      }
      local.positions[uid] = count;
    }
    return (local.positions[uid] % parsed.a == parsed.b);
  },

  // custom pseudo selectors

  index: function(index){
    var element = this, count = 0;
    while ((element = element.previousSibling)){
      if (element.nodeType == 1 && ++count > index) return false;
    }
    return (count == index);
  },

  even: function(argument, local){
    return Selectors.Pseudo['nth-child'].call(this, '2n+1', local);
  },

  odd: function(argument, local){
    return Selectors.Pseudo['nth-child'].call(this, '2n', local);
  }

});


/*
Script: Domready.js
  Contains the domready custom event.

License:
  MIT-style license.
*/

Element.Events.domready = {

  onAdd: function(fn){
    if (Browser.loaded) fn.call(this);
  }

};

(function(){

  var domready = function(){
    if (Browser.loaded) return;
    Browser.loaded = true;
    window.fireEvent('domready');
    document.fireEvent('domready');
  };

  if (Browser.Engine.trident){
    var temp = document.createElement('div');
    (function(){
      ($try(function(){
        temp.doScroll('left');
        return $(temp).inject(document.body).set('html', 'temp').dispose();
      })) ? domready() : arguments.callee.delay(50);
    })();
  } else if (Browser.Engine.webkit && Browser.Engine.version < 525){
    (function(){
      (['loaded', 'complete'].contains(document.readyState)) ? domready() : arguments.callee.delay(50);
    })();
  } else {
    window.addEvent('load', domready);
    document.addEvent('DOMContentLoaded', domready);
  }

})();


/*
Script: JSON.js
  JSON encoder and decoder.

License:
  MIT-style license.

See Also:
  <http://www.json.org/>
*/

var JSON = new Hash({

  $specialChars: {'\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"' : '\\"', '\\': '\\\\'},

  $replaceChars: function(chr){
    return JSON.$specialChars[chr] || '\\u00' + Math.floor(chr.charCodeAt() / 16).toString(16) + (chr.charCodeAt() % 16).toString(16);
  },

  encode: function(obj){
    switch ($type(obj)){
      case 'string':
        return '"' + obj.replace(/[\x00-\x1f\\"]/g, JSON.$replaceChars) + '"';
      case 'array':
        return '[' + String(obj.map(JSON.encode).filter($defined)) + ']';
      case 'object': case 'hash':
        var string = [];
        Hash.each(obj, function(value, key){
          var json = JSON.encode(value);
          if (json) string.push(JSON.encode(key) + ':' + json);
        });
        return '{' + string + '}';
      case 'number': case 'boolean': return String(obj);
      case false: return 'null';
    }
    return null;
  },

  decode: function(string, secure){
    if ($type(string) != 'string' || !string.length) return null;
    if (secure && !(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(string.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''))) return null;
    return eval('(' + string + ')');
  }

});

Native.implement([Hash, Array, String, Number], {

  toJSON: function(){
    return JSON.encode(this);
  }

});


/*
Script: Cookie.js
  Class for creating, loading, and saving browser Cookies.

License:
  MIT-style license.

Credits:
  Based on the functions by Peter-Paul Koch (http://quirksmode.org).
*/

var Cookie = new Class({

  Implements: Options,

  options: {
    path: false,
    domain: false,
    duration: false,
    secure: false,
    document: document
  },

  initialize: function(key, options){
    this.key = key;
    this.setOptions(options);
  },

  write: function(value){
    value = encodeURIComponent(value);
    if (this.options.domain) value += '; domain=' + this.options.domain;
    if (this.options.path) value += '; path=' + this.options.path;
    if (this.options.duration){
      var date = new Date();
      date.setTime(date.getTime() + this.options.duration * 24 * 60 * 60 * 1000);
      value += '; expires=' + date.toGMTString();
    }
    if (this.options.secure) value += '; secure';
    this.options.document.cookie = this.key + '=' + value;
    return this;
  },

  read: function(){
    var value = this.options.document.cookie.match('(?:^|;)\\s*' + this.key.escapeRegExp() + '=([^;]*)');
    return (value) ? decodeURIComponent(value[1]) : null;
  },

  dispose: function(){
    new Cookie(this.key, $merge(this.options, {duration: -1})).write('');
    return this;
  }

});

Cookie.write = function(key, value, options){
  return new Cookie(key, options).write(value);
};

Cookie.read = function(key){
  return new Cookie(key).read();
};

Cookie.dispose = function(key, options){
  return new Cookie(key, options).dispose();
};


/*
Script: Swiff.js
  Wrapper for embedding SWF movies. Supports (and fixes) External Interface Communication.

License:
  MIT-style license.

Credits:
  Flash detection & Internet Explorer + Flash Player 9 fix inspired by SWFObject.
*/

var Swiff = new Class({

  Implements: [Options],

  options: {
    id: null,
    height: 1,
    width: 1,
    container: null,
    properties: {},
    params: {
      quality: 'high',
      allowScriptAccess: 'always',
      wMode: 'transparent',
      swLiveConnect: true
    },
    callBacks: {},
    vars: {}
  },

  toElement: function(){
    return this.object;
  },

  initialize: function(path, options){
    this.instance = 'Swiff_' + $time();

    this.setOptions(options);
    options = this.options;
    var id = this.id = options.id || this.instance;
    var container = $(options.container);

    Swiff.CallBacks[this.instance] = {};

    var params = options.params, vars = options.vars, callBacks = options.callBacks;
    var properties = $extend({height: options.height, width: options.width}, options.properties);

    var self = this;

    for (var callBack in callBacks){
      Swiff.CallBacks[this.instance][callBack] = (function(option){
        return function(){
          return option.apply(self.object, arguments);
        };
      })(callBacks[callBack]);
      vars[callBack] = 'Swiff.CallBacks.' + this.instance + '.' + callBack;
    }

    params.flashVars = Hash.toQueryString(vars);
    if (Browser.Engine.trident){
      properties.classid = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
      params.movie = path;
    } else {
      properties.type = 'application/x-shockwave-flash';
      properties.data = path;
    }
    var build = '<object id="' + id + '"';
    for (var property in properties) build += ' ' + property + '="' + properties[property] + '"';
    build += '>';
    for (var param in params){
      if (params[param]) build += '<param name="' + param + '" value="' + params[param] + '" />';
    }
    build += '</object>';
    this.object = ((container) ? container.empty() : new Element('div')).set('html', build).firstChild;
  },

  replaces: function(element){
    element = $(element, true);
    element.parentNode.replaceChild(this.toElement(), element);
    return this;
  },

  inject: function(element){
    $(element, true).appendChild(this.toElement());
    return this;
  },

  remote: function(){
    return Swiff.remote.apply(Swiff, [this.toElement()].extend(arguments));
  }

});

Swiff.CallBacks = {};

Swiff.remote = function(obj, fn){
  var rs = obj.CallFunction('<invoke name="' + fn + '" returntype="javascript">' + __flash__argumentsToXML(arguments, 2) + '</invoke>');
  return eval(rs);
};


/*
Script: Fx.js
  Contains the basic animation logic to be extended by all other Fx Classes.

License:
  MIT-style license.
*/

var Fx = new Class({

  Implements: [Chain, Events, Options],

  options: {
    /*
    onStart: $empty,
    onCancel: $empty,
    onComplete: $empty,
    */
    fps: 50,
    unit: false,
    duration: 500,
    link: 'ignore'
  },

  initialize: function(options){
    this.subject = this.subject || this;
    this.setOptions(options);
    this.options.duration = Fx.Durations[this.options.duration] || this.options.duration.toInt();
    var wait = this.options.wait;
    if (wait === false) this.options.link = 'cancel';
  },

  getTransition: function(){
    return function(p){
      return -(Math.cos(Math.PI * p) - 1) / 2;
    };
  },

  step: function(){
    var time = $time();
    if (time < this.time + this.options.duration){
      var delta = this.transition((time - this.time) / this.options.duration);
      this.set(this.compute(this.from, this.to, delta));
    } else {
      this.set(this.compute(this.from, this.to, 1));
      this.complete();
    }
  },

  set: function(now){
    return now;
  },

  compute: function(from, to, delta){
    return Fx.compute(from, to, delta);
  },

  check: function(caller){
    if (!this.timer) return true;
    switch (this.options.link){
      case 'cancel': this.cancel(); return true;
      case 'chain': this.chain(caller.bind(this, Array.slice(arguments, 1))); return false;
    }
    return false;
  },

  start: function(from, to){
    if (!this.check(arguments.callee, from, to)) return this;
    this.from = from;
    this.to = to;
    this.time = 0;
    this.transition = this.getTransition();
    this.startTimer();
    this.onStart();
    return this;
  },

  complete: function(){
    if (this.stopTimer()) this.onComplete();
    return this;
  },

  cancel: function(){
    if (this.stopTimer()) this.onCancel();
    return this;
  },

  onStart: function(){
    this.fireEvent('start', this.subject);
  },

  onComplete: function(){
    this.fireEvent('complete', this.subject);
    if (!this.callChain()) this.fireEvent('chainComplete', this.subject);
  },

  onCancel: function(){
    this.fireEvent('cancel', this.subject).clearChain();
  },

  pause: function(){
    this.stopTimer();
    return this;
  },

  resume: function(){
    this.startTimer();
    return this;
  },

  stopTimer: function(){
    if (!this.timer) return false;
    this.time = $time() - this.time;
    this.timer = $clear(this.timer);
    return true;
  },

  startTimer: function(){
    if (this.timer) return false;
    this.time = $time() - this.time;
    this.timer = this.step.periodical(Math.round(1000 / this.options.fps), this);
    return true;
  }

});

Fx.compute = function(from, to, delta){
  return (to - from) * delta + from;
};

Fx.Durations = {'short': 250, 'normal': 500, 'long': 1000};


/*
Script: Fx.CSS.js
  Contains the CSS animation logic. Used by Fx.Tween, Fx.Morph, Fx.Elements.

License:
  MIT-style license.
*/

Fx.CSS = new Class({

  Extends: Fx,

  //prepares the base from/to object

  prepare: function(element, property, values){
    values = $splat(values);
    var values1 = values[1];
    if (!$chk(values1)){
      values[1] = values[0];
      values[0] = element.getStyle(property);
    }
    var parsed = values.map(this.parse);
    return {from: parsed[0], to: parsed[1]};
  },

  //parses a value into an array

  parse: function(value){
    value = $lambda(value)();
    value = (typeof value == 'string') ? value.split(' ') : $splat(value);
    return value.map(function(val){
      val = String(val);
      var found = false;
      Fx.CSS.Parsers.each(function(parser, key){
        if (found) return;
        var parsed = parser.parse(val);
        if ($chk(parsed)) found = {value: parsed, parser: parser};
      });
      found = found || {value: val, parser: Fx.CSS.Parsers.String};
      return found;
    });
  },

  //computes by a from and to prepared objects, using their parsers.

  compute: function(from, to, delta){
    var computed = [];
    (Math.min(from.length, to.length)).times(function(i){
      computed.push({value: from[i].parser.compute(from[i].value, to[i].value, delta), parser: from[i].parser});
    });
    computed.$family = {name: 'fx:css:value'};
    return computed;
  },

  //serves the value as settable

  serve: function(value, unit){
    if ($type(value) != 'fx:css:value') value = this.parse(value);
    var returned = [];
    value.each(function(bit){
      returned = returned.concat(bit.parser.serve(bit.value, unit));
    });
    return returned;
  },

  //renders the change to an element

  render: function(element, property, value, unit){
    element.setStyle(property, this.serve(value, unit));
  },

  //searches inside the page css to find the values for a selector

  search: function(selector){
    if (Fx.CSS.Cache[selector]) return Fx.CSS.Cache[selector];
    var to = {};
    Array.each(document.styleSheets, function(sheet, j){
      var href = sheet.href;
      if (href && href.contains('://') && !href.contains(document.domain)) return;
      var rules = sheet.rules || sheet.cssRules;
      Array.each(rules, function(rule, i){
        if (!rule.style) return;
        var selectorText = (rule.selectorText) ? rule.selectorText.replace(/^\w+/, function(m){
          return m.toLowerCase();
        }) : null;
        if (!selectorText || !selectorText.test('^' + selector + '$')) return;
        Element.Styles.each(function(value, style){
          if (!rule.style[style] || Element.ShortStyles[style]) return;
          value = String(rule.style[style]);
          to[style] = (value.test(/^rgb/)) ? value.rgbToHex() : value;
        });
      });
    });
    return Fx.CSS.Cache[selector] = to;
  }

});

Fx.CSS.Cache = {};

Fx.CSS.Parsers = new Hash({

  Color: {
    parse: function(value){
      if (value.match(/^#[0-9a-f]{3,6}$/i)) return value.hexToRgb(true);
      return ((value = value.match(/(\d+),\s*(\d+),\s*(\d+)/))) ? [value[1], value[2], value[3]] : false;
    },
    compute: function(from, to, delta){
      return from.map(function(value, i){
        return Math.round(Fx.compute(from[i], to[i], delta));
      });
    },
    serve: function(value){
      return value.map(Number);
    }
  },

  Number: {
    parse: parseFloat,
    compute: Fx.compute,
    serve: function(value, unit){
      return (unit) ? value + unit : value;
    }
  },

  String: {
    parse: $lambda(false),
    compute: $arguments(1),
    serve: $arguments(0)
  }

});


/*
Script: Fx.Tween.js
  Formerly Fx.Style, effect to transition any CSS property for an element.

License:
  MIT-style license.
*/

Fx.Tween = new Class({

  Extends: Fx.CSS,

  initialize: function(element, options){
    this.element = this.subject = $(element);
    this.parent(options);
  },

  set: function(property, now){
    if (arguments.length == 1){
      now = property;
      property = this.property || this.options.property;
    }
    this.render(this.element, property, now, this.options.unit);
    return this;
  },

  start: function(property, from, to){
    if (!this.check(arguments.callee, property, from, to)) return this;
    var args = Array.flatten(arguments);
    this.property = this.options.property || args.shift();
    var parsed = this.prepare(this.element, this.property, args);
    return this.parent(parsed.from, parsed.to);
  }

});

Element.Properties.tween = {

  set: function(options){
    var tween = this.retrieve('tween');
    if (tween) tween.cancel();
    return this.eliminate('tween').store('tween:options', $extend({link: 'cancel'}, options));
  },

  get: function(options){
    if (options || !this.retrieve('tween')){
      if (options || !this.retrieve('tween:options')) this.set('tween', options);
      this.store('tween', new Fx.Tween(this, this.retrieve('tween:options')));
    }
    return this.retrieve('tween');
  }

};

Element.implement({

  tween: function(property, from, to){
    this.get('tween').start(arguments);
    return this;
  },

  fade: function(how){
    var fade = this.get('tween'), o = 'opacity', toggle;
    how = $pick(how, 'toggle');
    switch (how){
      case 'in': fade.start(o, 1); break;
      case 'out': fade.start(o, 0); break;
      case 'show': fade.set(o, 1); break;
      case 'hide': fade.set(o, 0); break;
      case 'toggle':
        var flag = this.retrieve('fade:flag', this.get('opacity') == 1);
        fade.start(o, (flag) ? 0 : 1);
        this.store('fade:flag', !flag);
        toggle = true;
      break;
      default: fade.start(o, arguments);
    }
    if (!toggle) this.eliminate('fade:flag');
    return this;
  },

  highlight: function(start, end){
    if (!end){
      end = this.retrieve('highlight:original', this.getStyle('background-color'));
      end = (end == 'transparent') ? '#fff' : end;
    }
    var tween = this.get('tween');
    tween.start('background-color', start || '#ffff88', end).chain(function(){
      this.setStyle('background-color', this.retrieve('highlight:original'));
      tween.callChain();
    }.bind(this));
    return this;
  }

});


/*
Script: Fx.Morph.js
  Formerly Fx.Styles, effect to transition any number of CSS properties for an element using an object of rules, or CSS based selector rules.

License:
  MIT-style license.
*/

Fx.Morph = new Class({

  Extends: Fx.CSS,

  initialize: function(element, options){
    this.element = this.subject = $(element);
    this.parent(options);
  },

  set: function(now){
    if (typeof now == 'string') now = this.search(now);
    for (var p in now) this.render(this.element, p, now[p], this.options.unit);
    return this;
  },

  compute: function(from, to, delta){
    var now = {};
    for (var p in from) now[p] = this.parent(from[p], to[p], delta);
    return now;
  },

  start: function(properties){
    if (!this.check(arguments.callee, properties)) return this;
    if (typeof properties == 'string') properties = this.search(properties);
    var from = {}, to = {};
    for (var p in properties){
      var parsed = this.prepare(this.element, p, properties[p]);
      from[p] = parsed.from;
      to[p] = parsed.to;
    }
    return this.parent(from, to);
  }

});

Element.Properties.morph = {

  set: function(options){
    var morph = this.retrieve('morph');
    if (morph) morph.cancel();
    return this.eliminate('morph').store('morph:options', $extend({link: 'cancel'}, options));
  },

  get: function(options){
    if (options || !this.retrieve('morph')){
      if (options || !this.retrieve('morph:options')) this.set('morph', options);
      this.store('morph', new Fx.Morph(this, this.retrieve('morph:options')));
    }
    return this.retrieve('morph');
  }

};

Element.implement({

  morph: function(props){
    this.get('morph').start(props);
    return this;
  }

});


/*
Script: Fx.Transitions.js
  Contains a set of advanced transitions to be used with any of the Fx Classes.

License:
  MIT-style license.

Credits:
  Easing Equations by Robert Penner, <http://www.robertpenner.com/easing/>, modified and optimized to be used with MooTools.
*/

Fx.implement({

  getTransition: function(){
    var trans = this.options.transition || Fx.Transitions.Sine.easeInOut;
    if (typeof trans == 'string'){
      var data = trans.split(':');
      trans = Fx.Transitions;
      trans = trans[data[0]] || trans[data[0].capitalize()];
      if (data[1]) trans = trans['ease' + data[1].capitalize() + (data[2] ? data[2].capitalize() : '')];
    }
    return trans;
  }

});

Fx.Transition = function(transition, params){
  params = $splat(params);
  return $extend(transition, {
    easeIn: function(pos){
      return transition(pos, params);
    },
    easeOut: function(pos){
      return 1 - transition(1 - pos, params);
    },
    easeInOut: function(pos){
      return (pos <= 0.5) ? transition(2 * pos, params) / 2 : (2 - transition(2 * (1 - pos), params)) / 2;
    }
  });
};

Fx.Transitions = new Hash({

  linear: $arguments(0)

});

Fx.Transitions.extend = function(transitions){
  for (var transition in transitions) Fx.Transitions[transition] = new Fx.Transition(transitions[transition]);
};

Fx.Transitions.extend({

  Pow: function(p, x){
    return Math.pow(p, x[0] || 6);
  },

  Expo: function(p){
    return Math.pow(2, 8 * (p - 1));
  },

  Circ: function(p){
    return 1 - Math.sin(Math.acos(p));
  },

  Sine: function(p){
    return 1 - Math.sin((1 - p) * Math.PI / 2);
  },

  Back: function(p, x){
    x = x[0] || 1.618;
    return Math.pow(p, 2) * ((x + 1) * p - x);
  },

  Bounce: function(p){
    var value;
    for (var a = 0, b = 1; 1; a += b, b /= 2){
      if (p >= (7 - 4 * a) / 11){
        value = b * b - Math.pow((11 - 6 * a - 11 * p) / 4, 2);
        break;
      }
    }
    return value;
  },

  Elastic: function(p, x){
    return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x[0] || 1) / 3);
  }

});

['Quad', 'Cubic', 'Quart', 'Quint'].each(function(transition, i){
  Fx.Transitions[transition] = new Fx.Transition(function(p){
    return Math.pow(p, [i + 2]);
  });
});


/*
Script: Request.js
  Powerful all purpose Request Class. Uses XMLHTTPRequest.

License:
  MIT-style license.
*/

var Request = new Class({

  Implements: [Chain, Events, Options],

  options: {/*
    onRequest: $empty,
    onComplete: $empty,
    onCancel: $empty,
    onSuccess: $empty,
    onFailure: $empty,
    onException: $empty,*/
    url: '',
    data: '',
    headers: {
      'X-Requested-With': 'XMLHttpRequest',
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    },
    async: true,
    format: false,
    method: 'post',
    link: 'ignore',
    isSuccess: null,
    emulation: true,
    urlEncoded: true,
    encoding: 'utf-8',
    evalScripts: false,
    evalResponse: false
  },

  initialize: function(options){
    this.xhr = new Browser.Request();
    this.setOptions(options);
    this.options.isSuccess = this.options.isSuccess || this.isSuccess;
    this.headers = new Hash(this.options.headers);
  },

  onStateChange: function(){
    if (this.xhr.readyState != 4 || !this.running) return;
    this.running = false;
    this.status = 0;
    $try(function(){
      this.status = this.xhr.status;
    }.bind(this));
    if (this.options.isSuccess.call(this, this.status)){
      this.response = {text: this.xhr.responseText, xml: this.xhr.responseXML};
      this.success(this.response.text, this.response.xml);
    } else {
      this.response = {text: null, xml: null};
      this.failure();
    }
    this.xhr.onreadystatechange = $empty;
  },

  isSuccess: function(){
    return ((this.status >= 200) && (this.status < 300));
  },

  processScripts: function(text){
    if (this.options.evalResponse || (/(ecma|java)script/).test(this.getHeader('Content-type'))) return $exec(text);
    return text.stripScripts(this.options.evalScripts);
  },

  success: function(text, xml){
    this.onSuccess(this.processScripts(text), xml);
  },

  onSuccess: function(){
    this.fireEvent('complete', arguments).fireEvent('success', arguments).callChain();
  },

  failure: function(){
    this.onFailure();
  },

  onFailure: function(){
    this.fireEvent('complete').fireEvent('failure', this.xhr);
  },

  setHeader: function(name, value){
    this.headers.set(name, value);
    return this;
  },

  getHeader: function(name){
    return $try(function(){
      return this.xhr.getResponseHeader(name);
    }.bind(this));
  },

  check: function(caller){
    if (!this.running) return true;
    switch (this.options.link){
      case 'cancel': this.cancel(); return true;
      case 'chain': this.chain(caller.bind(this, Array.slice(arguments, 1))); return false;
    }
    return false;
  },

  send: function(options){
    if (!this.check(arguments.callee, options)) return this;
    this.running = true;

    var type = $type(options);
    if (type == 'string' || type == 'element') options = {data: options};

    var old = this.options;
    options = $extend({data: old.data, url: old.url, method: old.method}, options);
    var data = options.data, url = options.url, method = options.method;

    switch ($type(data)){
      case 'element': data = $(data).toQueryString(); break;
      case 'object': case 'hash': data = Hash.toQueryString(data);
    }

    if (this.options.format){
      var format = 'format=' + this.options.format;
      data = (data) ? format + '&' + data : format;
    }

    if (this.options.emulation && ['put', 'delete'].contains(method)){
      var _method = '_method=' + method;
      data = (data) ? _method + '&' + data : _method;
      method = 'post';
    }

    if (this.options.urlEncoded && method == 'post'){
      var encoding = (this.options.encoding) ? '; charset=' + this.options.encoding : '';
      this.headers.set('Content-type', 'application/x-www-form-urlencoded' + encoding);
    }

    if (data && method == 'get'){
      url = url + (url.contains('?') ? '&' : '?') + data;
      data = null;
    }

    this.xhr.open(method.toUpperCase(), url, this.options.async);

    this.xhr.onreadystatechange = this.onStateChange.bind(this);

    this.headers.each(function(value, key){
      try {
        this.xhr.setRequestHeader(key, value);
      } catch (e){
        this.fireEvent('exception', [key, value]);
      }
    }, this);

    this.fireEvent('request');
    this.xhr.send(data);
    if (!this.options.async) this.onStateChange();
    return this;
  },

  cancel: function(){
    if (!this.running) return this;
    this.running = false;
    this.xhr.abort();
    this.xhr.onreadystatechange = $empty;
    this.xhr = new Browser.Request();
    this.fireEvent('cancel');
    return this;
  }

});

(function(){

var methods = {};
['get', 'post', 'put', 'delete', 'GET', 'POST', 'PUT', 'DELETE'].each(function(method){
  methods[method] = function(){
    var params = Array.link(arguments, {url: String.type, data: $defined});
    return this.send($extend(params, {method: method.toLowerCase()}));
  };
});

Request.implement(methods);

})();

Element.Properties.send = {

  set: function(options){
    var send = this.retrieve('send');
    if (send) send.cancel();
    return this.eliminate('send').store('send:options', $extend({
      data: this, link: 'cancel', method: this.get('method') || 'post', url: this.get('action')
    }, options));
  },

  get: function(options){
    if (options || !this.retrieve('send')){
      if (options || !this.retrieve('send:options')) this.set('send', options);
      this.store('send', new Request(this.retrieve('send:options')));
    }
    return this.retrieve('send');
  }

};

Element.implement({

  send: function(url){
    var sender = this.get('send');
    sender.send({data: this, url: url || sender.options.url});
    return this;
  }

});


/*
Script: Request.HTML.js
  Extends the basic Request Class with additional methods for interacting with HTML responses.

License:
  MIT-style license.
*/

Request.HTML = new Class({

  Extends: Request,

  options: {
    update: false,
    evalScripts: true,
    filter: false
  },

  processHTML: function(text){
    var match = text.match(/<body[^>]*>([\s\S]*?)<\/body>/i);
    text = (match) ? match[1] : text;

    var container = new Element('div');

    return $try(function(){
      var root = '<root>' + text + '</root>', doc;
      if (Browser.Engine.trident){
        doc = new ActiveXObject('Microsoft.XMLDOM');
        doc.async = false;
        doc.loadXML(root);
      } else {
        doc = new DOMParser().parseFromString(root, 'text/xml');
      }
      root = doc.getElementsByTagName('root')[0];
      for (var i = 0, k = root.childNodes.length; i < k; i++){
        var child = Element.clone(root.childNodes[i], true, true);
        if (child) container.grab(child);
      }
      return container;
    }) || container.set('html', text);
  },

  success: function(text){
    var options = this.options, response = this.response;

    response.html = text.stripScripts(function(script){
      response.javascript = script;
    });

    var temp = this.processHTML(response.html);

    response.tree = temp.childNodes;
    response.elements = temp.getElements('*');

    if (options.filter) response.tree = response.elements.filter(options.filter);
    if (options.update) $(options.update).empty().set('html', response.html);
    if (options.evalScripts) $exec(response.javascript);

    this.onSuccess(response.tree, response.elements, response.html, response.javascript);
  }

});

Element.Properties.load = {

  set: function(options){
    var load = this.retrieve('load');
    if (load) load.cancel();
    return this.eliminate('load').store('load:options', $extend({data: this, link: 'cancel', update: this, method: 'get'}, options));
  },

  get: function(options){
    if (options || ! this.retrieve('load')){
      if (options || !this.retrieve('load:options')) this.set('load', options);
      this.store('load', new Request.HTML(this.retrieve('load:options')));
    }
    return this.retrieve('load');
  }

};

Element.implement({

  load: function(){
    this.get('load').send(Array.link(arguments, {data: Object.type, url: String.type}));
    return this;
  }

});


/*
Script: Request.JSON.js
  Extends the basic Request Class with additional methods for sending and receiving JSON data.

License:
  MIT-style license.
*/

Request.JSON = new Class({

  Extends: Request,

  options: {
    secure: true
  },

  initialize: function(options){
    this.parent(options);
    this.headers.extend({'Accept': 'application/json', 'X-Request': 'JSON'});
  },

  success: function(text){
    this.response.json = JSON.decode(text, this.options.secure);
    this.onSuccess(this.response.json, text);
  }

});