/*
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){
			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;
				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);
		}
	
});