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

License:
        MIT-style license.

Copyright:
        Copyright (c) 2006-2007 [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': '1.2.0',
        'build': ''
};
      
var Native = function(options){
        options = options || {};

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

        var object = initialize || legacy;

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

        return object;
};

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

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

Native.alias = function(objects, a1, a2, a3){
        for (var i = 0, j = objects.length; i < j; i++) objects[i].alias(a1, a2, a3);
};

(function(objects){
        for (var name in objects) Native.typize(objects[name], name);
})({'boolean': Boolean, 'native': Native, 'object': Object});

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

(function(object, methods){
        for (var i = methods.length; i--; i) Native.genericize(object, methods[i], true);
        return arguments.callee;
})
(Array, ['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice', 'toString', 'valueOf', 'indexOf', 'lastIndexOf'])
(String, ['charAt', 'charCodeAt', 'concat', 'indexOf', 'lastIndexOf', 'match', 'replace', 'search', 'slice', 'split', 'substr', 'substring', 'toLowerCase', 'toUpperCase', 'valueOf']);

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

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

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

function $empty(){};

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

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

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

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 = $unlink(object.getClean());
                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;
};

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().getTime();
};

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;
};

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

        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;
        }

});

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

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

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


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

License:
        MIT-style license.
*/

var Browser = new Hash({
        Engine: {name: 'unknown', version: ''},
        Platform: {name: (navigator.platform.match(/mac|win|linux/i) || ['other'])[0].toLowerCase()},
        Features: {xpath: !!(document.evaluate), air: !!(window.runtime)},
        Plugins: {}
});

if (window.opera) Browser.Engine = {name: 'presto', version: (document.getElementsByClassName) ? 950 : 925};
else if (window.ActiveXObject) Browser.Engine = {name: 'trident', version: (window.XMLHttpRequest) ? 5 : 4};
else if (!navigator.taintEnabled) Browser.Engine = {name: 'webkit', version: (Browser.Features.xpath) ? 420 : 419};
else if (document.getBoxObjectFor != null) Browser.Engine = {name: 'gecko', version: (document.getElementsByClassName) ? 19 : 18};
Browser.Engine[Browser.Engine.name] = Browser.Engine[Browser.Engine.name + Browser.Engine.version] = true;

if (window.orientation != undefined) Browser.Platform.name = 'ipod';

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

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.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]]"] : {};
                }
                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];
                doc.window = doc.defaultView || doc.parentWindow;
                if (Browser.Engine.trident4) $try(function(){
                        doc.execCommand("BackgroundImageCache", false, true);
                });
                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 copy, each, contains, and remove.

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();
                };
        },

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

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

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

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

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

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

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

});

/*
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(empty){
                        for (var key in this) this[key] = $unlink(this[key]);
                        for (var mutator in Class.Mutators){
                                if (!this[mutator]) continue;
                                Class.Mutators[mutator](this, this[mutator]);
                                delete this[mutator];
                        }

                        this.constructor = klass;
                        if (empty === $empty) return this;
                        
                        var self = (this.initialize) ? this.initialize.apply(this, arguments) : this;
                        if (this.options && this.options.initialize) this.options.initialize.call(this);
                        return self;
                };

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

});

Class.implement({

        implement: function(){
                Class.Mutators.Implements(this.prototype, Array.slice(arguments));
                return this;
        }

});

Class.Mutators = {
  
  Implements: function(self, klasses){
          $splat(klasses).each(function(klass){
                  $extend(self, ($type(klass) == 'class') ? new klass($empty) : klass);
          });
  },
  
  Extends: function(self, klass){
          var instance = new klass($empty);
          delete instance.parent;
          delete instance.parentOf;

          for (var key in instance){
                  var current = self[key], previous = instance[key];
                  if (current == undefined){
                          self[key] = previous;
                          continue;
                  }

                  var ctype = $type(current), ptype = $type(previous);
                  if (ctype != ptype) continue;

                  switch (ctype){
                          case 'function': 
                                  // this code will be only executed if the current browser does not support function.caller (currently only opera).
                                  // we replace the function code with brute force. Not pretty, but it will only be executed if function.caller is not supported.

                                  if (!arguments.callee.caller) self[key] = eval('(' + String(current).replace(/\bthis\.parent\(\s*(\))?/g, function(full, close){
                                          return 'arguments.callee._parent_.call(this' + (close || ', ');
                                  }) + ')');

                                  // end "opera" code
                                  self[key]._parent_ = previous;
                            break;
                          case 'object': self[key] = $merge(previous, current);
                  }

          }

          self.parent = function(){
                  return arguments.callee.caller._parent_.apply(this, arguments);
          };

          self.parentOf = function(descendant){
                  return descendant._parent_.apply(this, Array.slice(arguments, 1));
          };
  }
  
};


/*
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: function(){
                this.$chain = (this.$chain || []).extend(arguments);
                return this;
        },

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

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

});

var Events = new Class({

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

        removeEvents: function(type){
                for (var e in this.$events){
                        if (type && type != e) continue;
                        var fns = this.$events[e];
                        for (var i = fns.length; i--; i) this.removeEvent(e, 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.
*/

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.defaultView || this.parentWindow;
        },

        purge: function(){
                var elements = this.getElementsByTagName('*');
                for (var i = 0, l = elements.length; i < l; i++) Browser.freeMem(elements[i]);
        }

});

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){
                if (!Array[key]) Elements.implement(key, Elements.multi(key));
                Element.Prototype[key] = value;
        }

});

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);
                                var doc = new Document(iframe.contentWindow.document);
                                $extend(win.Element.prototype, Element.Prototype);
                        }
                        onload.call(iframe.contentWindow, iframe.contentWindow.document);
                };
                (!window.frames[props.id]) ? iframe.addListener('load', onFrameLoad) : 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));
        }

});

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

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': item = [item]; break;
                                case 'string': item = this.document.getElements(item, true); break;
                                default: item = false;
                        }
                        if (item) elements.extend(item);
                }
                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});
        }

});

Element.Storage = {

        get: function(uid){
                return (this[uid] || (this[uid] = {}));
        }

};

Element.Inserters = new Hash({

        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);
        }

});

Element.Inserters.inside = Element.Inserters.bottom;

Element.Inserters.each(function(value, key){

        var Key = key.capitalize();

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

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

});

Element.implement({

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

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

        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);
        },

        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, Array.slice(arguments, 1)) : this.removeProperty(prop);
                return this;
        },

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

        inject: function(el, where){
                Element.Inserters.get(where || 'bottom')(this, $(el, true));
                return this;
        },

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

        grab: function(el, where){
                Element.Inserters.get(where || 'bottom')($(el, true), this);
                return this;
        },

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

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

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

        clone: function(contents, keepid){
                switch ($type(this)){
                        case 'element':
                                var attributes = {};
                                for (var j = 0, l = this.attributes.length; j < l; j++){
                                        var attribute = this.attributes[j], key = attribute.nodeName.toLowerCase();
                                        if (Browser.Engine.trident && (/input/i).test(this.tagName) && (/width|height/).test(key)) continue;
                                        var value = (key == 'style' && this.style) ? this.style.cssText : attribute.nodeValue;
                                        if (!$chk(value) || key == 'uid' || (key == 'id' && !keepid)) continue;
                                        if (value != 'inherit' && ['string', 'number'].contains($type(value))) attributes[key] = value;
                                }
                                var element = new Element(this.nodeName.toLowerCase(), attributes);
                                if (contents !== false){
                                        for (var i = 0, k = this.childNodes.length; i < k; i++){
                                                var child = Element.clone(this.childNodes[i], true, keepid);
                                                if (child) element.grab(child);
                                        }
                                }
                                return element;
                        case 'textnode': return document.newTextNode(this.nodeValue);
                }
                return null;
        },

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

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

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

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

        destroy: function(){
                Browser.freeMem(this.empty().dispose());
                return null;
        },

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

        toQueryString: function(){
                var queryString = [];
                this.getElements('input, select, textarea').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 (val) queryString.push(el.name + '=' + encodeURIComponent(val));
                        });
                });
                return queryString.join('&');
        },

        getProperty: function(attribute){
                var EA = Element.Attributes, key = EA.Props[attribute];
                var value = (key) ? this[key] : this.getAttribute(attribute, 2);
                return (EA.Bools[attribute]) ? !!value : (key) ? value : value || null;
        },

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

        setProperty: function(attribute, value){
                var EA = Element.Attributes, key = EA.Props[attribute], hasValue = $defined(value);
                if (key && EA.Bools[attribute]) value = (value || !hasValue) ? true : false;
                else if (!hasValue) return this.removeProperty(attribute);
                (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;
        },

        removeProperty: function(attribute){
                var EA = Element.Attributes, key = EA.Props[attribute], isBool = (key && EA.Bools[attribute]);
                (key) ? this[key] = (isBool) ? false : '' : this.removeAttribute(attribute);
                return this;
        },

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

});

(function(){

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))){
                        elements.push(el);
                        if (!all) break;
                }
                el = el[walk];
        }
        return (all) ? new Elements(elements, {ddup: false, cash: !nocash}) : $(elements[0], nocash);
};

Element.implement({

        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);
        },

        hasChild: function(el){
                el = $(el, true);
                return (!!el && $A(this.getElementsByTagName(el.tagName)).contains(el));
        }

});

})();

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.href = {get: function(){
        return (!this.href) ? null : this.href.replace(new RegExp('^' + document.location.protocol + '\/\/' + document.location.host), '');
}};

Element.Properties.html = {set: function(){
        return this.innerHTML = Array.flatten(arguments).join('');
}};

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

        addListener: function(type, fn){
                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 = Element.Storage.get(this.uid);
                var prop = storage[property];
                if ($defined(dflt) && !$defined(prop)) prop = storage[property] = dflt;
                return $pick(prop);
        },

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

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

});

Element.Attributes = new Hash({
        Props: {'html': 'innerHTML', 'class': 'className', 'for': 'htmlFor', 'text': (Browser.Engine.trident) ? 'innerText' : 'textContent'},
        Bools: ['compact', 'nowrap', 'ismap', 'declare', 'noshade', 'checked', 'disabled', 'readonly', 'multiple', 'selected', 'noresize', 'defer'],
        Camels: ['value', 'accessKey', 'cellPadding', 'cellSpacing', 'colSpan', 'frameBorder', 'maxLength', 'readOnly', 'rowSpan', 'tabIndex', 'useMap']
});

Browser.freeMem = function(item){
        if (!item) return;
        if (Browser.Engine.trident && (/object/i).test(item.tagName)){
                for (var p in item){
                        if (typeof item[p] == 'function') item[p] = $empty;
                }
                Element.dispose(item);
        }
        if (item.uid && item.removeEvents) item.removeEvents();
};

(function(EA){

        var EAB = EA.Bools, EAC = EA.Camels;
        EA.Bools = EAB = EAB.associate(EAB);
        Hash.extend(Hash.combine(EA.Props, EAB), EAC.associate(EAC.map(function(v){
                return v.toLowerCase();
        })));
        EA.erase('Camels');

})(Element.Attributes);

window.addListener('unload', function(){
        window.removeListener('unload', arguments.callee);
        document.purge();
        if (Browser.Engine.trident) CollectGarbage();
});

/*
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 false;
                                };
                        }
                        realType = custom.base || realType;
                }
                var defn = function(){
                        return fn.call(self);
                };
                var nativeEvent = Element.NativeEvents[realType] || 0;
                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;
                var key = events[type].keys.splice(pos, 1)[0];
                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(type){
                var events = this.retrieve('events');
                if (!events) return this;
                if (!type){
                        for (var evType in events) this.removeEvents(evType);
                        events = null;
                } else if (events[type]){
                        while (events[type].keys[0]) this.removeEvent(type, events[type].keys[0]);
                        events[type] = 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(){
                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.trident || Browser.Engine.webkit)){
                                position.x += leftBorder(element);
                                position.y += topBorder(element);
                        }

                        element = element.offsetParent;
                        if (Browser.Engine.trident){
                                while (element && !element.currentStyle.hasLayout) 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) 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-]+)|\[(\w+)(?:([!*^$~|]?=)["']?(.*?)["']?)?\]|:([\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[4], pn = m[5], pa = m[6];
                        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, match, 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){
             if (self.className.contains)
                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 false;
                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
        
        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');
        };
        
        switch (Browser.Engine.name){

                case 'webkit': (function(){
                        (['loaded', 'complete'].contains(document.readyState)) ? domready() : arguments.callee.delay(50);
                })(); break;

                case '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);
                        })();
                break;
                
                default:
                        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({

        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;
        },

        $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);
        },

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

        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';
        },

        step: function(){
                var time = $time();
                if (time < this.time + this.options.duration){
                        var delta = this.options.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.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.
*/

(function(){

        var old = Fx.prototype.initialize;

        Fx.prototype.initialize = function(options){
                old.call(this, options);
                var trans = this.options.transition;
                if (typeof trans == 'string' && (trans = trans.split(':'))){
                        var base = Fx.Transitions;
                        base = base[trans[0]] || base[trans[0].capitalize()];
                        if (trans[1]) base = base['ease' + trans[1].capitalize() + (trans[2] ? trans[2].capitalize() : '')];
                        this.options.transition = base;
                }
        };

})();

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 = - Math.pow((11 - 6 * a - 11 * p) / 4, 2) + b * b;
                                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,
                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){
                        if (!$try(function(){
                                this.xhr.setRequestHeader(key, value);
                                return true;
                        }.bind(this))) 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;
                       // var root = '<root>' + text + '</root>';
                        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().adopt(response.tree);
                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) send.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);
        }

});