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  • Mootools.js 简单

    /*
    ---
    MooTools: the javascript framework
    
    web build:
     - http://mootools.net/core/76bf47062d6c1983d66ce47ad66aa0e0
    
    packager build:
     - packager build Core/Core Core/Array Core/String Core/Number Core/Function Core/Object Core/Event Core/Browser Core/Class Core/Class.Extras Core/Slick.Parser Core/Slick.Finder Core/Element Core/Element.Style Core/Element.Event Core/Element.Delegation Core/Element.Dimensions Core/Fx Core/Fx.CSS Core/Fx.Tween Core/Fx.Morph Core/Fx.Transitions Core/Request Core/Request.HTML Core/Request.JSON Core/Cookie Core/JSON Core/DOMReady Core/Swiff
    
    ...
    */
    
    /*
    ---
    
    name: Core
    
    description: The heart of MooTools.
    
    license: MIT-style license.
    
    copyright: Copyright (c) 2006-2012 [Valerio Proietti](http://mad4milk.net/).
    
    authors: 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)
    
    provides: [Core, MooTools, Type, typeOf, instanceOf, Native]
    
    ...
    */
    
    (function(){
    
    this.MooTools = {
    	version: '1.4.5',
    	build: 'ab8ea8824dc3b24b6666867a2c4ed58ebb762cf0'
    };
    
    // typeOf, instanceOf
    
    var typeOf = this.typeOf = function(item){
    	if (item == null) return 'null';
    	if (item.$family != null) return item.$family();
    
    	if (item.nodeName){
    		if (item.nodeType == 1) return 'element';
    		if (item.nodeType == 3) return (/\S/).test(item.nodeValue) ? 'textnode' : 'whitespace';
    	} else if (typeof item.length == 'number'){
    		if (item.callee) return 'arguments';
    		if ('item' in item) return 'collection';
    	}
    
    	return typeof item;
    };
    
    var instanceOf = this.instanceOf = function(item, object){
    	if (item == null) return false;
    	var constructor = item.$constructor || item.constructor;
    	while (constructor){
    		if (constructor === object) return true;
    		constructor = constructor.parent;
    	}
    	/*<ltIE8>*/
    	if (!item.hasOwnProperty) return false;
    	/*</ltIE8>*/
    	return item instanceof object;
    };
    
    // Function overloading
    
    var Function = this.Function;
    
    var enumerables = true;
    for (var i in {toString: 1}) enumerables = null;
    if (enumerables) enumerables = ['hasOwnProperty', 'valueOf', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'constructor'];
    
    Function.prototype.overloadSetter = function(usePlural){
    	var self = this;
    	return function(a, b){
    		if (a == null) return this;
    		if (usePlural || typeof a != 'string'){
    			for (var k in a) self.call(this, k, a[k]);
    			if (enumerables) for (var i = enumerables.length; i--;){
    				k = enumerables[i];
    				if (a.hasOwnProperty(k)) self.call(this, k, a[k]);
    			}
    		} else {
    			self.call(this, a, b);
    		}
    		return this;
    	};
    };
    
    Function.prototype.overloadGetter = function(usePlural){
    	var self = this;
    	return function(a){
    		var args, result;
    		if (typeof a != 'string') args = a;
    		else if (arguments.length > 1) args = arguments;
    		else if (usePlural) args = [a];
    		if (args){
    			result = {};
    			for (var i = 0; i < args.length; i++) result[args[i]] = self.call(this, args[i]);
    		} else {
    			result = self.call(this, a);
    		}
    		return result;
    	};
    };
    
    Function.prototype.extend = function(key, value){
    	this[key] = value;
    }.overloadSetter();
    
    Function.prototype.implement = function(key, value){
    	this.prototype[key] = value;
    }.overloadSetter();
    
    // From
    
    var slice = Array.prototype.slice;
    
    Function.from = function(item){
    	return (typeOf(item) == 'function') ? item : function(){
    		return item;
    	};
    };
    
    Array.from = function(item){
    	if (item == null) return [];
    	return (Type.isEnumerable(item) && typeof item != 'string') ? (typeOf(item) == 'array') ? item : slice.call(item) : [item];
    };
    
    Number.from = function(item){
    	var number = parseFloat(item);
    	return isFinite(number) ? number : null;
    };
    
    String.from = function(item){
    	return item + '';
    };
    
    // hide, protect
    
    Function.implement({
    
    	hide: function(){
    		this.$hidden = true;
    		return this;
    	},
    
    	protect: function(){
    		this.$protected = true;
    		return this;
    	}
    
    });
    
    // Type
    
    var Type = this.Type = function(name, object){
    	if (name){
    		var lower = name.toLowerCase();
    		var typeCheck = function(item){
    			return (typeOf(item) == lower);
    		};
    
    		Type['is' + name] = typeCheck;
    		if (object != null){
    			object.prototype.$family = (function(){
    				return lower;
    			}).hide();
    			//<1.2compat>
    			object.type = typeCheck;
    			//</1.2compat>
    		}
    	}
    
    	if (object == null) return null;
    
    	object.extend(this);
    	object.$constructor = Type;
    	object.prototype.$constructor = object;
    
    	return object;
    };
    
    var toString = Object.prototype.toString;
    
    Type.isEnumerable = function(item){
    	return (item != null && typeof item.length == 'number' && toString.call(item) != '[object Function]' );
    };
    
    var hooks = {};
    
    var hooksOf = function(object){
    	var type = typeOf(object.prototype);
    	return hooks[type] || (hooks[type] = []);
    };
    
    var implement = function(name, method){
    	if (method && method.$hidden) return;
    
    	var hooks = hooksOf(this);
    
    	for (var i = 0; i < hooks.length; i++){
    		var hook = hooks[i];
    		if (typeOf(hook) == 'type') implement.call(hook, name, method);
    		else hook.call(this, name, method);
    	}
    
    	var previous = this.prototype[name];
    	if (previous == null || !previous.$protected) this.prototype[name] = method;
    
    	if (this[name] == null && typeOf(method) == 'function') extend.call(this, name, function(item){
    		return method.apply(item, slice.call(arguments, 1));
    	});
    };
    
    var extend = function(name, method){
    	if (method && method.$hidden) return;
    	var previous = this[name];
    	if (previous == null || !previous.$protected) this[name] = method;
    };
    
    Type.implement({
    
    	implement: implement.overloadSetter(),
    
    	extend: extend.overloadSetter(),
    
    	alias: function(name, existing){
    		implement.call(this, name, this.prototype[existing]);
    	}.overloadSetter(),
    
    	mirror: function(hook){
    		hooksOf(this).push(hook);
    		return this;
    	}
    
    });
    
    new Type('Type', Type);
    
    // Default Types
    
    var force = function(name, object, methods){
    	var isType = (object != Object),
    		prototype = object.prototype;
    
    	if (isType) object = new Type(name, object);
    
    	for (var i = 0, l = methods.length; i < l; i++){
    		var key = methods[i],
    			generic = object[key],
    			proto = prototype[key];
    
    		if (generic) generic.protect();
    		if (isType && proto) object.implement(key, proto.protect());
    	}
    
    	if (isType){
    		var methodsEnumerable = prototype.propertyIsEnumerable(methods[0]);
    		object.forEachMethod = function(fn){
    			if (!methodsEnumerable) for (var i = 0, l = methods.length; i < l; i++){
    				fn.call(prototype, prototype[methods[i]], methods[i]);
    			}
    			for (var key in prototype) fn.call(prototype, prototype[key], key)
    		};
    	}
    
    	return force;
    };
    
    force('String', String, [
    	'charAt', 'charCodeAt', 'concat', 'indexOf', 'lastIndexOf', 'match', 'quote', 'replace', 'search',
    	'slice', 'split', 'substr', 'substring', 'trim', 'toLowerCase', 'toUpperCase'
    ])('Array', Array, [
    	'pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice',
    	'indexOf', 'lastIndexOf', 'filter', 'forEach', 'every', 'map', 'some', 'reduce', 'reduceRight'
    ])('Number', Number, [
    	'toExponential', 'toFixed', 'toLocaleString', 'toPrecision'
    ])('Function', Function, [
    	'apply', 'call', 'bind'
    ])('RegExp', RegExp, [
    	'exec', 'test'
    ])('Object', Object, [
    	'create', 'defineProperty', 'defineProperties', 'keys',
    	'getPrototypeOf', 'getOwnPropertyDescriptor', 'getOwnPropertyNames',
    	'preventExtensions', 'isExtensible', 'seal', 'isSealed', 'freeze', 'isFrozen'
    ])('Date', Date, ['now']);
    
    Object.extend = extend.overloadSetter();
    
    Date.extend('now', function(){
    	return +(new Date);
    });
    
    new Type('Boolean', Boolean);
    
    // fixes NaN returning as Number
    
    Number.prototype.$family = function(){
    	return isFinite(this) ? 'number' : 'null';
    }.hide();
    
    // Number.random
    
    Number.extend('random', function(min, max){
    	return Math.floor(Math.random() * (max - min + 1) + min);
    });
    
    // forEach, each
    
    var hasOwnProperty = Object.prototype.hasOwnProperty;
    Object.extend('forEach', function(object, fn, bind){
    	for (var key in object){
    		if (hasOwnProperty.call(object, key)) fn.call(bind, object[key], key, object);
    	}
    });
    
    Object.each = Object.forEach;
    
    Array.implement({
    
    	forEach: function(fn, bind){
    		for (var i = 0, l = this.length; i < l; i++){
    			if (i in this) fn.call(bind, this[i], i, this);
    		}
    	},
    
    	each: function(fn, bind){
    		Array.forEach(this, fn, bind);
    		return this;
    	}
    
    });
    
    // Array & Object cloning, Object merging and appending
    
    var cloneOf = function(item){
    	switch (typeOf(item)){
    		case 'array': return item.clone();
    		case 'object': return Object.clone(item);
    		default: return item;
    	}
    };
    
    Array.implement('clone', function(){
    	var i = this.length, clone = new Array(i);
    	while (i--) clone[i] = cloneOf(this[i]);
    	return clone;
    });
    
    var mergeOne = function(source, key, current){
    	switch (typeOf(current)){
    		case 'object':
    			if (typeOf(source[key]) == 'object') Object.merge(source[key], current);
    			else source[key] = Object.clone(current);
    		break;
    		case 'array': source[key] = current.clone(); break;
    		default: source[key] = current;
    	}
    	return source;
    };
    
    Object.extend({
    
    	merge: function(source, k, v){
    		if (typeOf(k) == 'string') return mergeOne(source, k, v);
    		for (var i = 1, l = arguments.length; i < l; i++){
    			var object = arguments[i];
    			for (var key in object) mergeOne(source, key, object[key]);
    		}
    		return source;
    	},
    
    	clone: function(object){
    		var clone = {};
    		for (var key in object) clone[key] = cloneOf(object[key]);
    		return clone;
    	},
    
    	append: function(original){
    		for (var i = 1, l = arguments.length; i < l; i++){
    			var extended = arguments[i] || {};
    			for (var key in extended) original[key] = extended[key];
    		}
    		return original;
    	}
    
    });
    
    // Object-less types
    
    ['Object', 'WhiteSpace', 'TextNode', 'Collection', 'Arguments'].each(function(name){
    	new Type(name);
    });
    
    // Unique ID
    
    var UID = Date.now();
    
    String.extend('uniqueID', function(){
    	return (UID++).toString(36);
    });
    
    //<1.2compat>
    
    var Hash = this.Hash = new Type('Hash', function(object){
    	if (typeOf(object) == 'hash') object = Object.clone(object.getClean());
    	for (var key in object) this[key] = object[key];
    	return this;
    });
    
    Hash.implement({
    
    	forEach: function(fn, bind){
    		Object.forEach(this, fn, bind);
    	},
    
    	getClean: function(){
    		var clean = {};
    		for (var key in this){
    			if (this.hasOwnProperty(key)) clean[key] = this[key];
    		}
    		return clean;
    	},
    
    	getLength: function(){
    		var length = 0;
    		for (var key in this){
    			if (this.hasOwnProperty(key)) length++;
    		}
    		return length;
    	}
    
    });
    
    Hash.alias('each', 'forEach');
    
    Object.type = Type.isObject;
    
    var Native = this.Native = function(properties){
    	return new Type(properties.name, properties.initialize);
    };
    
    Native.type = Type.type;
    
    Native.implement = function(objects, methods){
    	for (var i = 0; i < objects.length; i++) objects[i].implement(methods);
    	return Native;
    };
    
    var arrayType = Array.type;
    Array.type = function(item){
    	return instanceOf(item, Array) || arrayType(item);
    };
    
    this.$A = function(item){
    	return Array.from(item).slice();
    };
    
    this.$arguments = function(i){
    	return function(){
    		return arguments[i];
    	};
    };
    
    this.$chk = function(obj){
    	return !!(obj || obj === 0);
    };
    
    this.$clear = function(timer){
    	clearTimeout(timer);
    	clearInterval(timer);
    	return null;
    };
    
    this.$defined = function(obj){
    	return (obj != null);
    };
    
    this.$each = function(iterable, fn, bind){
    	var type = typeOf(iterable);
    	((type == 'arguments' || type == 'collection' || type == 'array' || type == 'elements') ? Array : Object).each(iterable, fn, bind);
    };
    
    this.$empty = function(){};
    
    this.$extend = function(original, extended){
    	return Object.append(original, extended);
    };
    
    this.$H = function(object){
    	return new Hash(object);
    };
    
    this.$merge = function(){
    	var args = Array.slice(arguments);
    	args.unshift({});
    	return Object.merge.apply(null, args);
    };
    
    this.$lambda = Function.from;
    this.$mixin = Object.merge;
    this.$random = Number.random;
    this.$splat = Array.from;
    this.$time = Date.now;
    
    this.$type = function(object){
    	var type = typeOf(object);
    	if (type == 'elements') return 'array';
    	return (type == 'null') ? false : type;
    };
    
    this.$unlink = function(object){
    	switch (typeOf(object)){
    		case 'object': return Object.clone(object);
    		case 'array': return Array.clone(object);
    		case 'hash': return new Hash(object);
    		default: return object;
    	}
    };
    
    //</1.2compat>
    
    })();
    
    
    /*
    ---
    
    name: Array
    
    description: Contains Array Prototypes like each, contains, and erase.
    
    license: MIT-style license.
    
    requires: Type
    
    provides: Array
    
    ...
    */
    
    Array.implement({
    
    	/*<!ES5>*/
    	every: function(fn, bind){
    		for (var i = 0, l = this.length >>> 0; i < l; i++){
    			if ((i in this) && !fn.call(bind, this[i], i, this)) return false;
    		}
    		return true;
    	},
    
    	filter: function(fn, bind){
    		var results = [];
    		for (var value, i = 0, l = this.length >>> 0; i < l; i++) if (i in this){
    			value = this[i];
    			if (fn.call(bind, value, i, this)) results.push(value);
    		}
    		return results;
    	},
    
    	indexOf: function(item, from){
    		var length = this.length >>> 0;
    		for (var i = (from < 0) ? Math.max(0, length + from) : from || 0; i < length; i++){
    			if (this[i] === item) return i;
    		}
    		return -1;
    	},
    
    	map: function(fn, bind){
    		var length = this.length >>> 0, results = Array(length);
    		for (var i = 0; i < length; i++){
    			if (i in this) results[i] = fn.call(bind, this[i], i, this);
    		}
    		return results;
    	},
    
    	some: function(fn, bind){
    		for (var i = 0, l = this.length >>> 0; i < l; i++){
    			if ((i in this) && fn.call(bind, this[i], i, this)) return true;
    		}
    		return false;
    	},
    	/*</!ES5>*/
    
    	clean: function(){
    		return this.filter(function(item){
    			return item != null;
    		});
    	},
    
    	invoke: function(methodName){
    		var args = Array.slice(arguments, 1);
    		return this.map(function(item){
    			return item[methodName].apply(item, args);
    		});
    	},
    
    	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;
    	},
    
    	append: function(array){
    		this.push.apply(this, array);
    		return this;
    	},
    
    	getLast: function(){
    		return (this.length) ? this[this.length - 1] : null;
    	},
    
    	getRandom: function(){
    		return (this.length) ? this[Number.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--;){
    			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 = typeOf(this[i]);
    			if (type == 'null') continue;
    			array = array.concat((type == 'array' || type == 'collection' || type == 'arguments' || instanceOf(this[i], Array)) ? Array.flatten(this[i]) : this[i]);
    		}
    		return array;
    	},
    
    	pick: function(){
    		for (var i = 0, l = this.length; i < l; i++){
    			if (this[i] != null) return this[i];
    		}
    		return null;
    	},
    
    	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('');
    	}
    
    });
    
    //<1.2compat>
    
    Array.alias('extend', 'append');
    
    var $pick = function(){
    	return Array.from(arguments).pick();
    };
    
    //</1.2compat>
    
    
    /*
    ---
    
    name: String
    
    description: Contains String Prototypes like camelCase, capitalize, test, and toInt.
    
    license: MIT-style license.
    
    requires: Type
    
    provides: String
    
    ...
    */
    
    String.implement({
    
    	test: function(regex, params){
    		return ((typeOf(regex) == 'regexp') ? regex : new RegExp('' + regex, params)).test(this);
    	},
    
    	contains: function(string, separator){
    		return (separator) ? (separator + this + separator).indexOf(separator + string + separator) > -1 : String(this).indexOf(string) > -1;
    	},
    
    	trim: function(){
    		return String(this).replace(/^\s+|\s+$/g, '');
    	},
    
    	clean: function(){
    		return String(this).replace(/\s+/g, ' ').trim();
    	},
    
    	camelCase: function(){
    		return String(this).replace(/-\D/g, function(match){
    			return match.charAt(1).toUpperCase();
    		});
    	},
    
    	hyphenate: function(){
    		return String(this).replace(/[A-Z]/g, function(match){
    			return ('-' + match.charAt(0).toLowerCase());
    		});
    	},
    
    	capitalize: function(){
    		return String(this).replace(/\b[a-z]/g, function(match){
    			return match.toUpperCase();
    		});
    	},
    
    	escapeRegExp: function(){
    		return String(this).replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
    	},
    
    	toInt: function(base){
    		return parseInt(this, base || 10);
    	},
    
    	toFloat: function(){
    		return parseFloat(this);
    	},
    
    	hexToRgb: function(array){
    		var hex = String(this).match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
    		return (hex) ? hex.slice(1).hexToRgb(array) : null;
    	},
    
    	rgbToHex: function(array){
    		var rgb = String(this).match(/\d{1,3}/g);
    		return (rgb) ? rgb.rgbToHex(array) : null;
    	},
    
    	substitute: function(object, regexp){
    		return String(this).replace(regexp || (/\\?\{([^{}]+)\}/g), function(match, name){
    			if (match.charAt(0) == '\\') return match.slice(1);
    			return (object[name] != null) ? object[name] : '';
    		});
    	}
    
    });
    
    
    /*
    ---
    
    name: Number
    
    description: Contains Number Prototypes like limit, round, times, and ceil.
    
    license: MIT-style license.
    
    requires: Type
    
    provides: Number
    
    ...
    */
    
    Number.implement({
    
    	limit: function(min, max){
    		return Math.min(max, Math.max(min, this));
    	},
    
    	round: function(precision){
    		precision = Math.pow(10, precision || 0).toFixed(precision < 0 ? -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('each', 'times');
    
    (function(math){
    	var methods = {};
    	math.each(function(name){
    		if (!Number[name]) methods[name] = function(){
    			return Math[name].apply(null, [this].concat(Array.from(arguments)));
    		};
    	});
    	Number.implement(methods);
    })(['abs', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'exp', 'floor', 'log', 'max', 'min', 'pow', 'sin', 'sqrt', 'tan']);
    
    
    /*
    ---
    
    name: Function
    
    description: Contains Function Prototypes like create, bind, pass, and delay.
    
    license: MIT-style license.
    
    requires: Type
    
    provides: Function
    
    ...
    */
    
    Function.extend({
    
    	attempt: function(){
    		for (var i = 0, l = arguments.length; i < l; i++){
    			try {
    				return arguments[i]();
    			} catch (e){}
    		}
    		return null;
    	}
    
    });
    
    Function.implement({
    
    	attempt: function(args, bind){
    		try {
    			return this.apply(bind, Array.from(args));
    		} catch (e){}
    
    		return null;
    	},
    
    	/*<!ES5-bind>*/
    	bind: function(that){
    		var self = this,
    			args = arguments.length > 1 ? Array.slice(arguments, 1) : null,
    			F = function(){};
    
    		var bound = function(){
    			var context = that, length = arguments.length;
    			if (this instanceof bound){
    				F.prototype = self.prototype;
    				context = new F;
    			}
    			var result = (!args && !length)
    				? self.call(context)
    				: self.apply(context, args && length ? args.concat(Array.slice(arguments)) : args || arguments);
    			return context == that ? result : context;
    		};
    		return bound;
    	},
    	/*</!ES5-bind>*/
    
    	pass: function(args, bind){
    		var self = this;
    		if (args != null) args = Array.from(args);
    		return function(){
    			return self.apply(bind, args || arguments);
    		};
    	},
    
    	delay: function(delay, bind, args){
    		return setTimeout(this.pass((args == null ? [] : args), bind), delay);
    	},
    
    	periodical: function(periodical, bind, args){
    		return setInterval(this.pass((args == null ? [] : args), bind), periodical);
    	}
    
    });
    
    //<1.2compat>
    
    delete Function.prototype.bind;
    
    Function.implement({
    
    	create: function(options){
    		var self = this;
    		options = options || {};
    		return function(event){
    			var args = options.arguments;
    			args = (args != null) ? Array.from(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 Function.attempt(returns);
    			return returns();
    		};
    	},
    
    	bind: function(bind, args){
    		var self = this;
    		if (args != null) args = Array.from(args);
    		return function(){
    			return self.apply(bind, args || arguments);
    		};
    	},
    
    	bindWithEvent: function(bind, args){
    		var self = this;
    		if (args != null) args = Array.from(args);
    		return function(event){
    			return self.apply(bind, (args == null) ? arguments : [event].concat(args));
    		};
    	},
    
    	run: function(args, bind){
    		return this.apply(bind, Array.from(args));
    	}
    
    });
    
    if (Object.create == Function.prototype.create) Object.create = null;
    
    var $try = Function.attempt;
    
    //</1.2compat>
    
    
    /*
    ---
    
    name: Object
    
    description: Object generic methods
    
    license: MIT-style license.
    
    requires: Type
    
    provides: [Object, Hash]
    
    ...
    */
    
    (function(){
    
    var hasOwnProperty = Object.prototype.hasOwnProperty;
    
    Object.extend({
    
    	subset: function(object, keys){
    		var results = {};
    		for (var i = 0, l = keys.length; i < l; i++){
    			var k = keys[i];
    			if (k in object) results[k] = object[k];
    		}
    		return results;
    	},
    
    	map: function(object, fn, bind){
    		var results = {};
    		for (var key in object){
    			if (hasOwnProperty.call(object, key)) results[key] = fn.call(bind, object[key], key, object);
    		}
    		return results;
    	},
    
    	filter: function(object, fn, bind){
    		var results = {};
    		for (var key in object){
    			var value = object[key];
    			if (hasOwnProperty.call(object, key) && fn.call(bind, value, key, object)) results[key] = value;
    		}
    		return results;
    	},
    
    	every: function(object, fn, bind){
    		for (var key in object){
    			if (hasOwnProperty.call(object, key) && !fn.call(bind, object[key], key)) return false;
    		}
    		return true;
    	},
    
    	some: function(object, fn, bind){
    		for (var key in object){
    			if (hasOwnProperty.call(object, key) && fn.call(bind, object[key], key)) return true;
    		}
    		return false;
    	},
    
    	keys: function(object){
    		var keys = [];
    		for (var key in object){
    			if (hasOwnProperty.call(object, key)) keys.push(key);
    		}
    		return keys;
    	},
    
    	values: function(object){
    		var values = [];
    		for (var key in object){
    			if (hasOwnProperty.call(object, key)) values.push(object[key]);
    		}
    		return values;
    	},
    
    	getLength: function(object){
    		return Object.keys(object).length;
    	},
    
    	keyOf: function(object, value){
    		for (var key in object){
    			if (hasOwnProperty.call(object, key) && object[key] === value) return key;
    		}
    		return null;
    	},
    
    	contains: function(object, value){
    		return Object.keyOf(object, value) != null;
    	},
    
    	toQueryString: function(object, base){
    		var queryString = [];
    
    		Object.each(object, function(value, key){
    			if (base) key = base + '[' + key + ']';
    			var result;
    			switch (typeOf(value)){
    				case 'object': result = Object.toQueryString(value, key); break;
    				case 'array':
    					var qs = {};
    					value.each(function(val, i){
    						qs[i] = val;
    					});
    					result = Object.toQueryString(qs, key);
    				break;
    				default: result = key + '=' + encodeURIComponent(value);
    			}
    			if (value != null) queryString.push(result);
    		});
    
    		return queryString.join('&');
    	}
    
    });
    
    })();
    
    //<1.2compat>
    
    Hash.implement({
    
    	has: Object.prototype.hasOwnProperty,
    
    	keyOf: function(value){
    		return Object.keyOf(this, value);
    	},
    
    	hasValue: function(value){
    		return Object.contains(this, value);
    	},
    
    	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){
    		if (this[key] == null) this[key] = value;
    		return this;
    	},
    
    	map: function(fn, bind){
    		return new Hash(Object.map(this, fn, bind));
    	},
    
    	filter: function(fn, bind){
    		return new Hash(Object.filter(this, fn, bind));
    	},
    
    	every: function(fn, bind){
    		return Object.every(this, fn, bind);
    	},
    
    	some: function(fn, bind){
    		return Object.some(this, fn, bind);
    	},
    
    	getKeys: function(){
    		return Object.keys(this);
    	},
    
    	getValues: function(){
    		return Object.values(this);
    	},
    
    	toQueryString: function(base){
    		return Object.toQueryString(this, base);
    	}
    
    });
    
    Hash.extend = Object.append;
    
    Hash.alias({indexOf: 'keyOf', contains: 'hasValue'});
    
    //</1.2compat>
    
    
    /*
    ---
    
    name: Browser
    
    description: The Browser Object. Contains Browser initialization, Window and Document, and the Browser Hash.
    
    license: MIT-style license.
    
    requires: [Array, Function, Number, String]
    
    provides: [Browser, Window, Document]
    
    ...
    */
    
    (function(){
    
    var document = this.document;
    var window = document.window = this;
    
    var ua = navigator.userAgent.toLowerCase(),
    	platform = navigator.platform.toLowerCase(),
    	UA = ua.match(/(opera|ie|firefox|chrome|version)[\s\/:]([\w\d\.]+)?.*?(safari|version[\s\/:]([\w\d\.]+)|$)/) || [null, 'unknown', 0],
    	mode = UA[1] == 'ie' && document.documentMode;
    
    var Browser = this.Browser = {
    
    	extend: Function.prototype.extend,
    
    	name: (UA[1] == 'version') ? UA[3] : UA[1],
    
    	version: mode || parseFloat((UA[1] == 'opera' && UA[4]) ? UA[4] : UA[2]),
    
    	Platform: {
    		name: ua.match(/ip(?:ad|od|hone)/) ? 'ios' : (ua.match(/(?:webos|android)/) || platform.match(/mac|win|linux/) || ['other'])[0]
    	},
    
    	Features: {
    		xpath: !!(document.evaluate),
    		air: !!(window.runtime),
    		query: !!(document.querySelector),
    		json: !!(window.JSON)
    	},
    
    	Plugins: {}
    
    };
    
    Browser[Browser.name] = true;
    Browser[Browser.name + parseInt(Browser.version, 10)] = true;
    Browser.Platform[Browser.Platform.name] = true;
    
    // Request
    
    Browser.Request = (function(){
    
    	var XMLHTTP = function(){
    		return new XMLHttpRequest();
    	};
    
    	var MSXML2 = function(){
    		return new ActiveXObject('MSXML2.XMLHTTP');
    	};
    
    	var MSXML = function(){
    		return new ActiveXObject('Microsoft.XMLHTTP');
    	};
    
    	return Function.attempt(function(){
    		XMLHTTP();
    		return XMLHTTP;
    	}, function(){
    		MSXML2();
    		return MSXML2;
    	}, function(){
    		MSXML();
    		return MSXML;
    	});
    
    })();
    
    Browser.Features.xhr = !!(Browser.Request);
    
    // Flash detection
    
    var version = (Function.attempt(function(){
    	return navigator.plugins['Shockwave Flash'].description;
    }, function(){
    	return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
    }) || '0 r0').match(/\d+/g);
    
    Browser.Plugins.Flash = {
    	version: Number(version[0] || '0.' + version[1]) || 0,
    	build: Number(version[2]) || 0
    };
    
    // String scripts
    
    Browser.exec = function(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;
    };
    
    String.implement('stripScripts', function(exec){
    	var scripts = '';
    	var text = this.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(all, code){
    		scripts += code + '\n';
    		return '';
    	});
    	if (exec === true) Browser.exec(scripts);
    	else if (typeOf(exec) == 'function') exec(scripts, text);
    	return text;
    });
    
    // Window, Document
    
    Browser.extend({
    	Document: this.Document,
    	Window: this.Window,
    	Element: this.Element,
    	Event: this.Event
    });
    
    this.Window = this.$constructor = new Type('Window', function(){});
    
    this.$family = Function.from('window').hide();
    
    Window.mirror(function(name, method){
    	window[name] = method;
    });
    
    this.Document = document.$constructor = new Type('Document', function(){});
    
    document.$family = Function.from('document').hide();
    
    Document.mirror(function(name, method){
    	document[name] = method;
    });
    
    document.html = document.documentElement;
    if (!document.head) document.head = document.getElementsByTagName('head')[0];
    
    if (document.execCommand) try {
    	document.execCommand("BackgroundImageCache", false, true);
    } catch (e){}
    
    /*<ltIE9>*/
    if (this.attachEvent && !this.addEventListener){
    	var unloadEvent = function(){
    		this.detachEvent('onunload', unloadEvent);
    		document.head = document.html = document.window = null;
    	};
    	this.attachEvent('onunload', unloadEvent);
    }
    
    // IE fails on collections and <select>.options (refers to <select>)
    var arrayFrom = Array.from;
    try {
    	arrayFrom(document.html.childNodes);
    } catch(e){
    	Array.from = function(item){
    		if (typeof item != 'string' && Type.isEnumerable(item) && typeOf(item) != 'array'){
    			var i = item.length, array = new Array(i);
    			while (i--) array[i] = item[i];
    			return array;
    		}
    		return arrayFrom(item);
    	};
    
    	var prototype = Array.prototype,
    		slice = prototype.slice;
    	['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice'].each(function(name){
    		var method = prototype[name];
    		Array[name] = function(item){
    			return method.apply(Array.from(item), slice.call(arguments, 1));
    		};
    	});
    }
    /*</ltIE9>*/
    
    //<1.2compat>
    
    if (Browser.Platform.ios) Browser.Platform.ipod = true;
    
    Browser.Engine = {};
    
    var setEngine = function(name, version){
    	Browser.Engine.name = name;
    	Browser.Engine[name + version] = true;
    	Browser.Engine.version = version;
    };
    
    if (Browser.ie){
    	Browser.Engine.trident = true;
    
    	switch (Browser.version){
    		case 6: setEngine('trident', 4); break;
    		case 7: setEngine('trident', 5); break;
    		case 8: setEngine('trident', 6);
    	}
    }
    
    if (Browser.firefox){
    	Browser.Engine.gecko = true;
    
    	if (Browser.version >= 3) setEngine('gecko', 19);
    	else setEngine('gecko', 18);
    }
    
    if (Browser.safari || Browser.chrome){
    	Browser.Engine.webkit = true;
    
    	switch (Browser.version){
    		case 2: setEngine('webkit', 419); break;
    		case 3: setEngine('webkit', 420); break;
    		case 4: setEngine('webkit', 525);
    	}
    }
    
    if (Browser.opera){
    	Browser.Engine.presto = true;
    
    	if (Browser.version >= 9.6) setEngine('presto', 960);
    	else if (Browser.version >= 9.5) setEngine('presto', 950);
    	else setEngine('presto', 925);
    }
    
    if (Browser.name == 'unknown'){
    	switch ((ua.match(/(?:webkit|khtml|gecko)/) || [])[0]){
    		case 'webkit':
    		case 'khtml':
    			Browser.Engine.webkit = true;
    		break;
    		case 'gecko':
    			Browser.Engine.gecko = true;
    	}
    }
    
    this.$exec = Browser.exec;
    
    //</1.2compat>
    
    })();
    
    
    /*
    ---
    
    name: Event
    
    description: Contains the Event Type, to make the event object cross-browser.
    
    license: MIT-style license.
    
    requires: [Window, Document, Array, Function, String, Object]
    
    provides: Event
    
    ...
    */
    
    (function() {
    
    var _keys = {};
    
    var DOMEvent = this.DOMEvent = new Type('DOMEvent', function(event, win){
    	if (!win) win = window;
    	event = event || win.event;
    	if (event.$extended) return event;
    	this.event = event;
    	this.$extended = true;
    	this.shift = event.shiftKey;
    	this.control = event.ctrlKey;
    	this.alt = event.altKey;
    	this.meta = event.metaKey;
    	var type = this.type = event.type;
    	var target = event.target || event.srcElement;
    	while (target && target.nodeType == 3) target = target.parentNode;
    	this.target = document.id(target);
    
    	if (type.indexOf('key') == 0){
    		var code = this.code = (event.which || event.keyCode);
    		this.key = _keys[code]/*<1.3compat>*/ || Object.keyOf(Event.Keys, code)/*</1.3compat>*/;
    		if (type == 'keydown'){
    			if (code > 111 && code < 124) this.key = 'f' + (code - 111);
    			else if (code > 95 && code < 106) this.key = code - 96;
    		}
    		if (this.key == null) this.key = String.fromCharCode(code).toLowerCase();
    	} else if (type == 'click' || type == 'dblclick' || type == 'contextmenu' || type == 'DOMMouseScroll' || type.indexOf('mouse') == 0){
    		var doc = win.document;
    		doc = (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
    		this.page = {
    			x: (event.pageX != null) ? event.pageX : event.clientX + doc.scrollLeft,
    			y: (event.pageY != null) ? event.pageY : event.clientY + doc.scrollTop
    		};
    		this.client = {
    			x: (event.pageX != null) ? event.pageX - win.pageXOffset : event.clientX,
    			y: (event.pageY != null) ? event.pageY - win.pageYOffset : event.clientY
    		};
    		if (type == 'DOMMouseScroll' || type == 'mousewheel')
    			this.wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;
    
    		this.rightClick = (event.which == 3 || event.button == 2);
    		if (type == 'mouseover' || type == 'mouseout'){
    			var related = event.relatedTarget || event[(type == 'mouseover' ? 'from' : 'to') + 'Element'];
    			while (related && related.nodeType == 3) related = related.parentNode;
    			this.relatedTarget = document.id(related);
    		}
    	} else if (type.indexOf('touch') == 0 || type.indexOf('gesture') == 0){
    		this.rotation = event.rotation;
    		this.scale = event.scale;
    		this.targetTouches = event.targetTouches;
    		this.changedTouches = event.changedTouches;
    		var touches = this.touches = event.touches;
    		if (touches && touches[0]){
    			var touch = touches[0];
    			this.page = {x: touch.pageX, y: touch.pageY};
    			this.client = {x: touch.clientX, y: touch.clientY};
    		}
    	}
    
    	if (!this.client) this.client = {};
    	if (!this.page) this.page = {};
    });
    
    DOMEvent.implement({
    
    	stop: function(){
    		return this.preventDefault().stopPropagation();
    	},
    
    	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;
    	}
    
    });
    
    DOMEvent.defineKey = function(code, key){
    	_keys[code] = key;
    	return this;
    };
    
    DOMEvent.defineKeys = DOMEvent.defineKey.overloadSetter(true);
    
    DOMEvent.defineKeys({
    	'38': 'up', '40': 'down', '37': 'left', '39': 'right',
    	'27': 'esc', '32': 'space', '8': 'backspace', '9': 'tab',
    	'46': 'delete', '13': 'enter'
    });
    
    })();
    
    /*<1.3compat>*/
    var Event = DOMEvent;
    Event.Keys = {};
    /*</1.3compat>*/
    
    /*<1.2compat>*/
    
    Event.Keys = new Hash(Event.Keys);
    
    /*</1.2compat>*/
    
    
    /*
    ---
    
    name: Class
    
    description: Contains the Class Function for easily creating, extending, and implementing reusable Classes.
    
    license: MIT-style license.
    
    requires: [Array, String, Function, Number]
    
    provides: Class
    
    ...
    */
    
    (function(){
    
    var Class = this.Class = new Type('Class', function(params){
    	if (instanceOf(params, Function)) params = {initialize: params};
    
    	var newClass = function(){
    		reset(this);
    		if (newClass.$prototyping) return this;
    		this.$caller = null;
    		var value = (this.initialize) ? this.initialize.apply(this, arguments) : this;
    		this.$caller = this.caller = null;
    		return value;
    	}.extend(this).implement(params);
    
    	newClass.$constructor = Class;
    	newClass.prototype.$constructor = newClass;
    	newClass.prototype.parent = parent;
    
    	return newClass;
    });
    
    var parent = function(){
    	if (!this.$caller) throw new Error('The method "parent" cannot be called.');
    	var name = this.$caller.$name,
    		parent = this.$caller.$owner.parent,
    		previous = (parent) ? parent.prototype[name] : null;
    	if (!previous) throw new Error('The method "' + name + '" has no parent.');
    	return previous.apply(this, arguments);
    };
    
    var reset = function(object){
    	for (var key in object){
    		var value = object[key];
    		switch (typeOf(value)){
    			case 'object':
    				var F = function(){};
    				F.prototype = value;
    				object[key] = reset(new F);
    			break;
    			case 'array': object[key] = value.clone(); break;
    		}
    	}
    	return object;
    };
    
    var wrap = function(self, key, method){
    	if (method.$origin) method = method.$origin;
    	var wrapper = function(){
    		if (method.$protected && this.$caller == null) throw new Error('The method "' + key + '" cannot be called.');
    		var caller = this.caller, current = this.$caller;
    		this.caller = current; this.$caller = wrapper;
    		var result = method.apply(this, arguments);
    		this.$caller = current; this.caller = caller;
    		return result;
    	}.extend({$owner: self, $origin: method, $name: key});
    	return wrapper;
    };
    
    var implement = function(key, value, retain){
    	if (Class.Mutators.hasOwnProperty(key)){
    		value = Class.Mutators[key].call(this, value);
    		if (value == null) return this;
    	}
    
    	if (typeOf(value) == 'function'){
    		if (value.$hidden) return this;
    		this.prototype[key] = (retain) ? value : wrap(this, key, value);
    	} else {
    		Object.merge(this.prototype, key, value);
    	}
    
    	return this;
    };
    
    var getInstance = function(klass){
    	klass.$prototyping = true;
    	var proto = new klass;
    	delete klass.$prototyping;
    	return proto;
    };
    
    Class.implement('implement', implement.overloadSetter());
    
    Class.Mutators = {
    
    	Extends: function(parent){
    		this.parent = parent;
    		this.prototype = getInstance(parent);
    	},
    
    	Implements: function(items){
    		Array.from(items).each(function(item){
    			var instance = new item;
    			for (var key in instance) implement.call(this, key, instance[key], true);
    		}, this);
    	}
    };
    
    })();
    
    
    /*
    ---
    
    name: Class.Extras
    
    description: Contains Utility Classes that can be implemented into your own Classes to ease the execution of many common tasks.
    
    license: MIT-style license.
    
    requires: Class
    
    provides: [Class.Extras, Chain, Events, Options]
    
    ...
    */
    
    (function(){
    
    this.Chain = new Class({
    
    	$chain: [],
    
    	chain: function(){
    		this.$chain.append(Array.flatten(arguments));
    		return this;
    	},
    
    	callChain: function(){
    		return (this.$chain.length) ? this.$chain.shift().apply(this, arguments) : false;
    	},
    
    	clearChain: function(){
    		this.$chain.empty();
    		return this;
    	}
    
    });
    
    var removeOn = function(string){
    	return string.replace(/^on([A-Z])/, function(full, first){
    		return first.toLowerCase();
    	});
    };
    
    this.Events = new Class({
    
    	$events: {},
    
    	addEvent: function(type, fn, internal){
    		type = removeOn(type);
    
    		/*<1.2compat>*/
    		if (fn == $empty) return this;
    		/*</1.2compat>*/
    
    		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 = removeOn(type);
    		var events = this.$events[type];
    		if (!events) return this;
    		args = Array.from(args);
    		events.each(function(fn){
    			if (delay) fn.delay(delay, this, args);
    			else fn.apply(this, args);
    		}, this);
    		return this;
    	},
    
    	removeEvent: function(type, fn){
    		type = removeOn(type);
    		var events = this.$events[type];
    		if (events && !fn.internal){
    			var index =  events.indexOf(fn);
    			if (index != -1) delete events[index];
    		}
    		return this;
    	},
    
    	removeEvents: function(events){
    		var type;
    		if (typeOf(events) == 'object'){
    			for (type in events) this.removeEvent(type, events[type]);
    			return this;
    		}
    		if (events) events = removeOn(events);
    		for (type in this.$events){
    			if (events && events != type) continue;
    			var fns = this.$events[type];
    			for (var i = fns.length; i--;) if (i in fns){
    				this.removeEvent(type, fns[i]);
    			}
    		}
    		return this;
    	}
    
    });
    
    this.Options = new Class({
    
    	setOptions: function(){
    		var options = this.options = Object.merge.apply(null, [{}, this.options].append(arguments));
    		if (this.addEvent) for (var option in options){
    			if (typeOf(options[option]) != 'function' || !(/^on[A-Z]/).test(option)) continue;
    			this.addEvent(option, options[option]);
    			delete options[option];
    		}
    		return this;
    	}
    
    });
    
    })();
    
    
    /*
    ---
    name: Slick.Parser
    description: Standalone CSS3 Selector parser
    provides: Slick.Parser
    ...
    */
    
    ;(function(){
    
    var parsed,
    	separatorIndex,
    	combinatorIndex,
    	reversed,
    	cache = {},
    	reverseCache = {},
    	reUnescape = /\\/g;
    
    var parse = function(expression, isReversed){
    	if (expression == null) return null;
    	if (expression.Slick === true) return expression;
    	expression = ('' + expression).replace(/^\s+|\s+$/g, '');
    	reversed = !!isReversed;
    	var currentCache = (reversed) ? reverseCache : cache;
    	if (currentCache[expression]) return currentCache[expression];
    	parsed = {
    		Slick: true,
    		expressions: [],
    		raw: expression,
    		reverse: function(){
    			return parse(this.raw, true);
    		}
    	};
    	separatorIndex = -1;
    	while (expression != (expression = expression.replace(regexp, parser)));
    	parsed.length = parsed.expressions.length;
    	return currentCache[parsed.raw] = (reversed) ? reverse(parsed) : parsed;
    };
    
    var reverseCombinator = function(combinator){
    	if (combinator === '!') return ' ';
    	else if (combinator === ' ') return '!';
    	else if ((/^!/).test(combinator)) return combinator.replace(/^!/, '');
    	else return '!' + combinator;
    };
    
    var reverse = function(expression){
    	var expressions = expression.expressions;
    	for (var i = 0; i < expressions.length; i++){
    		var exp = expressions[i];
    		var last = {parts: [], tag: '*', combinator: reverseCombinator(exp[0].combinator)};
    
    		for (var j = 0; j < exp.length; j++){
    			var cexp = exp[j];
    			if (!cexp.reverseCombinator) cexp.reverseCombinator = ' ';
    			cexp.combinator = cexp.reverseCombinator;
    			delete cexp.reverseCombinator;
    		}
    
    		exp.reverse().push(last);
    	}
    	return expression;
    };
    
    var escapeRegExp = function(string){// Credit: XRegExp 0.6.1 (c) 2007-2008 Steven Levithan <http://stevenlevithan.com/regex/xregexp/> MIT License
    	return string.replace(/[-[\]{}()*+?.\\^$|,#\s]/g, function(match){
    		return '\\' + match;
    	});
    };
    
    var regexp = new RegExp(
    /*
    #!/usr/bin/env ruby
    puts "\t\t" + DATA.read.gsub(/\(\?x\)|\s+#.*$|\s+|\\$|\\n/,'')
    __END__
    	"(?x)^(?:\
    	  \\s* ( , ) \\s*               # Separator          \n\
    	| \\s* ( <combinator>+ ) \\s*   # Combinator         \n\
    	|      ( \\s+ )                 # CombinatorChildren \n\
    	|      ( <unicode>+ | \\* )     # Tag                \n\
    	| \\#  ( <unicode>+       )     # ID                 \n\
    	| \\.  ( <unicode>+       )     # ClassName          \n\
    	|                               # Attribute          \n\
    	\\[  \
    		\\s* (<unicode1>+)  (?:  \
    			\\s* ([*^$!~|]?=)  (?:  \
    				\\s* (?:\
    					([\"']?)(.*?)\\9 \
    				)\
    			)  \
    		)?  \\s*  \
    	\\](?!\\]) \n\
    	|   :+ ( <unicode>+ )(?:\
    	\\( (?:\
    		(?:([\"'])([^\\12]*)\\12)|((?:\\([^)]+\\)|[^()]*)+)\
    	) \\)\
    	)?\
    	)"
    */
    	"^(?:\\s*(,)\\s*|\\s*(<combinator>+)\\s*|(\\s+)|(<unicode>+|\\*)|\\#(<unicode>+)|\\.(<unicode>+)|\\[\\s*(<unicode1>+)(?:\\s*([*^$!~|]?=)(?:\\s*(?:([\"']?)(.*?)\\9)))?\\s*\\](?!\\])|(:+)(<unicode>+)(?:\\((?:(?:([\"'])([^\\13]*)\\13)|((?:\\([^)]+\\)|[^()]*)+))\\))?)"
    	.replace(/<combinator>/, '[' + escapeRegExp(">+~`!@$%^&={}\\;</") + ']')
    	.replace(/<unicode>/g, '(?:[\\w\\u00a1-\\uFFFF-]|\\\\[^\\s0-9a-f])')
    	.replace(/<unicode1>/g, '(?:[:\\w\\u00a1-\\uFFFF-]|\\\\[^\\s0-9a-f])')
    );
    
    function parser(
    	rawMatch,
    
    	separator,
    	combinator,
    	combinatorChildren,
    
    	tagName,
    	id,
    	className,
    
    	attributeKey,
    	attributeOperator,
    	attributeQuote,
    	attributeValue,
    
    	pseudoMarker,
    	pseudoClass,
    	pseudoQuote,
    	pseudoClassQuotedValue,
    	pseudoClassValue
    ){
    	if (separator || separatorIndex === -1){
    		parsed.expressions[++separatorIndex] = [];
    		combinatorIndex = -1;
    		if (separator) return '';
    	}
    
    	if (combinator || combinatorChildren || combinatorIndex === -1){
    		combinator = combinator || ' ';
    		var currentSeparator = parsed.expressions[separatorIndex];
    		if (reversed && currentSeparator[combinatorIndex])
    			currentSeparator[combinatorIndex].reverseCombinator = reverseCombinator(combinator);
    		currentSeparator[++combinatorIndex] = {combinator: combinator, tag: '*'};
    	}
    
    	var currentParsed = parsed.expressions[separatorIndex][combinatorIndex];
    
    	if (tagName){
    		currentParsed.tag = tagName.replace(reUnescape, '');
    
    	} else if (id){
    		currentParsed.id = id.replace(reUnescape, '');
    
    	} else if (className){
    		className = className.replace(reUnescape, '');
    
    		if (!currentParsed.classList) currentParsed.classList = [];
    		if (!currentParsed.classes) currentParsed.classes = [];
    		currentParsed.classList.push(className);
    		currentParsed.classes.push({
    			value: className,
    			regexp: new RegExp('(^|\\s)' + escapeRegExp(className) + '(\\s|$)')
    		});
    
    	} else if (pseudoClass){
    		pseudoClassValue = pseudoClassValue || pseudoClassQuotedValue;
    		pseudoClassValue = pseudoClassValue ? pseudoClassValue.replace(reUnescape, '') : null;
    
    		if (!currentParsed.pseudos) currentParsed.pseudos = [];
    		currentParsed.pseudos.push({
    			key: pseudoClass.replace(reUnescape, ''),
    			value: pseudoClassValue,
    			type: pseudoMarker.length == 1 ? 'class' : 'element'
    		});
    
    	} else if (attributeKey){
    		attributeKey = attributeKey.replace(reUnescape, '');
    		attributeValue = (attributeValue || '').replace(reUnescape, '');
    
    		var test, regexp;
    
    		switch (attributeOperator){
    			case '^=' : regexp = new RegExp(       '^'+ escapeRegExp(attributeValue)            ); break;
    			case '$=' : regexp = new RegExp(            escapeRegExp(attributeValue) +'$'       ); break;
    			case '~=' : regexp = new RegExp( '(^|\\s)'+ escapeRegExp(attributeValue) +'(\\s|$)' ); break;
    			case '|=' : regexp = new RegExp(       '^'+ escapeRegExp(attributeValue) +'(-|$)'   ); break;
    			case  '=' : test = function(value){
    				return attributeValue == value;
    			}; break;
    			case '*=' : test = function(value){
    				return value && value.indexOf(attributeValue) > -1;
    			}; break;
    			case '!=' : test = function(value){
    				return attributeValue != value;
    			}; break;
    			default   : test = function(value){
    				return !!value;
    			};
    		}
    
    		if (attributeValue == '' && (/^[*$^]=$/).test(attributeOperator)) test = function(){
    			return false;
    		};
    
    		if (!test) test = function(value){
    			return value && regexp.test(value);
    		};
    
    		if (!currentParsed.attributes) currentParsed.attributes = [];
    		currentParsed.attributes.push({
    			key: attributeKey,
    			operator: attributeOperator,
    			value: attributeValue,
    			test: test
    		});
    
    	}
    
    	return '';
    };
    
    // Slick NS
    
    var Slick = (this.Slick || {});
    
    Slick.parse = function(expression){
    	return parse(expression);
    };
    
    Slick.escapeRegExp = escapeRegExp;
    
    if (!this.Slick) this.Slick = Slick;
    
    }).apply(/*<CommonJS>*/(typeof exports != 'undefined') ? exports : /*</CommonJS>*/this);
    
    
    /*
    ---
    name: Slick.Finder
    description: The new, superfast css selector engine.
    provides: Slick.Finder
    requires: Slick.Parser
    ...
    */
    
    ;(function(){
    
    var local = {},
    	featuresCache = {},
    	toString = Object.prototype.toString;
    
    // Feature / Bug detection
    
    local.isNativeCode = function(fn){
    	return (/\{\s*\[native code\]\s*\}/).test('' + fn);
    };
    
    local.isXML = function(document){
    	return (!!document.xmlVersion) || (!!document.xml) || (toString.call(document) == '[object XMLDocument]') ||
    	(document.nodeType == 9 && document.documentElement.nodeName != 'HTML');
    };
    
    local.setDocument = function(document){
    
    	// convert elements / window arguments to document. if document cannot be extrapolated, the function returns.
    	var nodeType = document.nodeType;
    	if (nodeType == 9); // document
    	else if (nodeType) document = document.ownerDocument; // node
    	else if (document.navigator) document = document.document; // window
    	else return;
    
    	// check if it's the old document
    
    	if (this.document === document) return;
    	this.document = document;
    
    	// check if we have done feature detection on this document before
    
    	var root = document.documentElement,
    		rootUid = this.getUIDXML(root),
    		features = featuresCache[rootUid],
    		feature;
    
    	if (features){
    		for (feature in features){
    			this[feature] = features[feature];
    		}
    		return;
    	}
    
    	features = featuresCache[rootUid] = {};
    
    	features.root = root;
    	features.isXMLDocument = this.isXML(document);
    
    	features.brokenStarGEBTN
    	= features.starSelectsClosedQSA
    	= features.idGetsName
    	= features.brokenMixedCaseQSA
    	= features.brokenGEBCN
    	= features.brokenCheckedQSA
    	= features.brokenEmptyAttributeQSA
    	= features.isHTMLDocument
    	= features.nativeMatchesSelector
    	= false;
    
    	var starSelectsClosed, starSelectsComments,
    		brokenSecondClassNameGEBCN, cachedGetElementsByClassName,
    		brokenFormAttributeGetter;
    
    	var selected, id = 'slick_uniqueid';
    	var testNode = document.createElement('div');
    
    	var testRoot = document.body || document.getElementsByTagName('body')[0] || root;
    	testRoot.appendChild(testNode);
    
    	// on non-HTML documents innerHTML and getElementsById doesnt work properly
    	try {
    		testNode.innerHTML = '<a id="'+id+'"></a>';
    		features.isHTMLDocument = !!document.getElementById(id);
    	} catch(e){};
    
    	if (features.isHTMLDocument){
    
    		testNode.style.display = 'none';
    
    		// IE returns comment nodes for getElementsByTagName('*') for some documents
    		testNode.appendChild(document.createComment(''));
    		starSelectsComments = (testNode.getElementsByTagName('*').length > 1);
    
    		// IE returns closed nodes (EG:"</foo>") for getElementsByTagName('*') for some documents
    		try {
    			testNode.innerHTML = 'foo</foo>';
    			selected = testNode.getElementsByTagName('*');
    			starSelectsClosed = (selected && !!selected.length && selected[0].nodeName.charAt(0) == '/');
    		} catch(e){};
    
    		features.brokenStarGEBTN = starSelectsComments || starSelectsClosed;
    
    		// IE returns elements with the name instead of just id for getElementsById for some documents
    		try {
    			testNode.innerHTML = '<a name="'+ id +'"></a><b id="'+ id +'"></b>';
    			features.idGetsName = document.getElementById(id) === testNode.firstChild;
    		} catch(e){};
    
    		if (testNode.getElementsByClassName){
    
    			// Safari 3.2 getElementsByClassName caches results
    			try {
    				testNode.innerHTML = '<a class="f"></a><a class="b"></a>';
    				testNode.getElementsByClassName('b').length;
    				testNode.firstChild.className = 'b';
    				cachedGetElementsByClassName = (testNode.getElementsByClassName('b').length != 2);
    			} catch(e){};
    
    			// Opera 9.6 getElementsByClassName doesnt detects the class if its not the first one
    			try {
    				testNode.innerHTML = '<a class="a"></a><a class="f b a"></a>';
    				brokenSecondClassNameGEBCN = (testNode.getElementsByClassName('a').length != 2);
    			} catch(e){};
    
    			features.brokenGEBCN = cachedGetElementsByClassName || brokenSecondClassNameGEBCN;
    		}
    
    		if (testNode.querySelectorAll){
    			// IE 8 returns closed nodes (EG:"</foo>") for querySelectorAll('*') for some documents
    			try {
    				testNode.innerHTML = 'foo</foo>';
    				selected = testNode.querySelectorAll('*');
    				features.starSelectsClosedQSA = (selected && !!selected.length && selected[0].nodeName.charAt(0) == '/');
    			} catch(e){};
    
    			// Safari 3.2 querySelectorAll doesnt work with mixedcase on quirksmode
    			try {
    				testNode.innerHTML = '<a class="MiX"></a>';
    				features.brokenMixedCaseQSA = !testNode.querySelectorAll('.MiX').length;
    			} catch(e){};
    
    			// Webkit and Opera dont return selected options on querySelectorAll
    			try {
    				testNode.innerHTML = '<select><option selected="selected">a</option></select>';
    				features.brokenCheckedQSA = (testNode.querySelectorAll(':checked').length == 0);
    			} catch(e){};
    
    			// IE returns incorrect results for attr[*^$]="" selectors on querySelectorAll
    			try {
    				testNode.innerHTML = '<a class=""></a>';
    				features.brokenEmptyAttributeQSA = (testNode.querySelectorAll('[class*=""]').length != 0);
    			} catch(e){};
    
    		}
    
    		// IE6-7, if a form has an input of id x, form.getAttribute(x) returns a reference to the input
    		try {
    			testNode.innerHTML = '<form action="s"><input id="action"/></form>';
    			brokenFormAttributeGetter = (testNode.firstChild.getAttribute('action') != 's');
    		} catch(e){};
    
    		// native matchesSelector function
    
    		features.nativeMatchesSelector = root.matchesSelector || /*root.msMatchesSelector ||*/ root.mozMatchesSelector || root.webkitMatchesSelector;
    		if (features.nativeMatchesSelector) try {
    			// if matchesSelector trows errors on incorrect sintaxes we can use it
    			features.nativeMatchesSelector.call(root, ':slick');
    			features.nativeMatchesSelector = null;
    		} catch(e){};
    
    	}
    
    	try {
    		root.slick_expando = 1;
    		delete root.slick_expando;
    		features.getUID = this.getUIDHTML;
    	} catch(e) {
    		features.getUID = this.getUIDXML;
    	}
    
    	testRoot.removeChild(testNode);
    	testNode = selected = testRoot = null;
    
    	// getAttribute
    
    	features.getAttribute = (features.isHTMLDocument && brokenFormAttributeGetter) ? function(node, name){
    		var method = this.attributeGetters[name];
    		if (method) return method.call(node);
    		var attributeNode = node.getAttributeNode(name);
    		return (attributeNode) ? attributeNode.nodeValue : null;
    	} : function(node, name){
    		var method = this.attributeGetters[name];
    		return (method) ? method.call(node) : node.getAttribute(name);
    	};
    
    	// hasAttribute
    
    	features.hasAttribute = (root && this.isNativeCode(root.hasAttribute)) ? function(node, attribute) {
    		return node.hasAttribute(attribute);
    	} : function(node, attribute) {
    		node = node.getAttributeNode(attribute);
    		return !!(node && (node.specified || node.nodeValue));
    	};
    
    	// contains
    	// FIXME: Add specs: local.contains should be different for xml and html documents?
    	var nativeRootContains = root && this.isNativeCode(root.contains),
    		nativeDocumentContains = document && this.isNativeCode(document.contains);
    
    	features.contains = (nativeRootContains && nativeDocumentContains) ? function(context, node){
    		return context.contains(node);
    	} : (nativeRootContains && !nativeDocumentContains) ? function(context, node){
    		// IE8 does not have .contains on document.
    		return context === node || ((context === document) ? document.documentElement : context).contains(node);
    	} : (root && root.compareDocumentPosition) ? function(context, node){
    		return context === node || !!(context.compareDocumentPosition(node) & 16);
    	} : function(context, node){
    		if (node) do {
    			if (node === context) return true;
    		} while ((node = node.parentNode));
    		return false;
    	};
    
    	// document order sorting
    	// credits to Sizzle (http://sizzlejs.com/)
    
    	features.documentSorter = (root.compareDocumentPosition) ? function(a, b){
    		if (!a.compareDocumentPosition || !b.compareDocumentPosition) return 0;
    		return a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
    	} : ('sourceIndex' in root) ? function(a, b){
    		if (!a.sourceIndex || !b.sourceIndex) return 0;
    		return a.sourceIndex - b.sourceIndex;
    	} : (document.createRange) ? function(a, b){
    		if (!a.ownerDocument || !b.ownerDocument) return 0;
    		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
    		aRange.setStart(a, 0);
    		aRange.setEnd(a, 0);
    		bRange.setStart(b, 0);
    		bRange.setEnd(b, 0);
    		return aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
    	} : null ;
    
    	root = null;
    
    	for (feature in features){
    		this[feature] = features[feature];
    	}
    };
    
    // Main Method
    
    var reSimpleSelector = /^([#.]?)((?:[\w-]+|\*))$/,
    	reEmptyAttribute = /\[.+[*$^]=(?:""|'')?\]/,
    	qsaFailExpCache = {};
    
    local.search = function(context, expression, append, first){
    
    	var found = this.found = (first) ? null : (append || []);
    
    	if (!context) return found;
    	else if (context.navigator) context = context.document; // Convert the node from a window to a document
    	else if (!context.nodeType) return found;
    
    	// setup
    
    	var parsed, i,
    		uniques = this.uniques = {},
    		hasOthers = !!(append && append.length),
    		contextIsDocument = (context.nodeType == 9);
    
    	if (this.document !== (contextIsDocument ? context : context.ownerDocument)) this.setDocument(context);
    
    	// avoid duplicating items already in the append array
    	if (hasOthers) for (i = found.length; i--;) uniques[this.getUID(found[i])] = true;
    
    	// expression checks
    
    	if (typeof expression == 'string'){ // expression is a string
    
    		/*<simple-selectors-override>*/
    		var simpleSelector = expression.match(reSimpleSelector);
    		simpleSelectors: if (simpleSelector) {
    
    			var symbol = simpleSelector[1],
    				name = simpleSelector[2],
    				node, nodes;
    
    			if (!symbol){
    
    				if (name == '*' && this.brokenStarGEBTN) break simpleSelectors;
    				nodes = context.getElementsByTagName(name);
    				if (first) return nodes[0] || null;
    				for (i = 0; node = nodes[i++];){
    					if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
    				}
    
    			} else if (symbol == '#'){
    
    				if (!this.isHTMLDocument || !contextIsDocument) break simpleSelectors;
    				node = context.getElementById(name);
    				if (!node) return found;
    				if (this.idGetsName && node.getAttributeNode('id').nodeValue != name) break simpleSelectors;
    				if (first) return node || null;
    				if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
    
    			} else if (symbol == '.'){
    
    				if (!this.isHTMLDocument || ((!context.getElementsByClassName || this.brokenGEBCN) && context.querySelectorAll)) break simpleSelectors;
    				if (context.getElementsByClassName && !this.brokenGEBCN){
    					nodes = context.getElementsByClassName(name);
    					if (first) return nodes[0] || null;
    					for (i = 0; node = nodes[i++];){
    						if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
    					}
    				} else {
    					var matchClass = new RegExp('(^|\\s)'+ Slick.escapeRegExp(name) +'(\\s|$)');
    					nodes = context.getElementsByTagName('*');
    					for (i = 0; node = nodes[i++];){
    						className = node.className;
    						if (!(className && matchClass.test(className))) continue;
    						if (first) return node;
    						if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
    					}
    				}
    
    			}
    
    			if (hasOthers) this.sort(found);
    			return (first) ? null : found;
    
    		}
    		/*</simple-selectors-override>*/
    
    		/*<query-selector-override>*/
    		querySelector: if (context.querySelectorAll) {
    
    			if (!this.isHTMLDocument
    				|| qsaFailExpCache[expression]
    				//TODO: only skip when expression is actually mixed case
    				|| this.brokenMixedCaseQSA
    				|| (this.brokenCheckedQSA && expression.indexOf(':checked') > -1)
    				|| (this.brokenEmptyAttributeQSA && reEmptyAttribute.test(expression))
    				|| (!contextIsDocument //Abort when !contextIsDocument and...
    					//  there are multiple expressions in the selector
    					//  since we currently only fix non-document rooted QSA for single expression selectors
    					&& expression.indexOf(',') > -1
    				)
    				|| Slick.disableQSA
    			) break querySelector;
    
    			var _expression = expression, _context = context;
    			if (!contextIsDocument){
    				// non-document rooted QSA
    				// credits to Andrew Dupont
    				var currentId = _context.getAttribute('id'), slickid = 'slickid__';
    				_context.setAttribute('id', slickid);
    				_expression = '#' + slickid + ' ' + _expression;
    				context = _context.parentNode;
    			}
    
    			try {
    				if (first) return context.querySelector(_expression) || null;
    				else nodes = context.querySelectorAll(_expression);
    			} catch(e) {
    				qsaFailExpCache[expression] = 1;
    				break querySelector;
    			} finally {
    				if (!contextIsDocument){
    					if (currentId) _context.setAttribute('id', currentId);
    					else _context.removeAttribute('id');
    					context = _context;
    				}
    			}
    
    			if (this.starSelectsClosedQSA) for (i = 0; node = nodes[i++];){
    				if (node.nodeName > '@' && !(hasOthers && uniques[this.getUID(node)])) found.push(node);
    			} else for (i = 0; node = nodes[i++];){
    				if (!(hasOthers && uniques[this.getUID(node)])) found.push(node);
    			}
    
    			if (hasOthers) this.sort(found);
    			return found;
    
    		}
    		/*</query-selector-override>*/
    
    		parsed = this.Slick.parse(expression);
    		if (!parsed.length) return found;
    	} else if (expression == null){ // there is no expression
    		return found;
    	} else if (expression.Slick){ // expression is a parsed Slick object
    		parsed = expression;
    	} else if (this.contains(context.documentElement || context, expression)){ // expression is a node
    		(found) ? found.push(expression) : found = expression;
    		return found;
    	} else { // other junk
    		return found;
    	}
    
    	/*<pseudo-selectors>*//*<nth-pseudo-selectors>*/
    
    	// cache elements for the nth selectors
    
    	this.posNTH = {};
    	this.posNTHLast = {};
    	this.posNTHType = {};
    	this.posNTHTypeLast = {};
    
    	/*</nth-pseudo-selectors>*//*</pseudo-selectors>*/
    
    	// if append is null and there is only a single selector with one expression use pushArray, else use pushUID
    	this.push = (!hasOthers && (first || (parsed.length == 1 && parsed.expressions[0].length == 1))) ? this.pushArray : this.pushUID;
    
    	if (found == null) found = [];
    
    	// default engine
    
    	var j, m, n;
    	var combinator, tag, id, classList, classes, attributes, pseudos;
    	var currentItems, currentExpression, currentBit, lastBit, expressions = parsed.expressions;
    
    	search: for (i = 0; (currentExpression = expressions[i]); i++) for (j = 0; (currentBit = currentExpression[j]); j++){
    
    		combinator = 'combinator:' + currentBit.combinator;
    		if (!this[combinator]) continue search;
    
    		tag        = (this.isXMLDocument) ? currentBit.tag : currentBit.tag.toUpperCase();
    		id         = currentBit.id;
    		classList  = currentBit.classList;
    		classes    = currentBit.classes;
    		attributes = currentBit.attributes;
    		pseudos    = currentBit.pseudos;
    		lastBit    = (j === (currentExpression.length - 1));
    
    		this.bitUniques = {};
    
    		if (lastBit){
    			this.uniques = uniques;
    			this.found = found;
    		} else {
    			this.uniques = {};
    			this.found = [];
    		}
    
    		if (j === 0){
    			this[combinator](context, tag, id, classes, attributes, pseudos, classList);
    			if (first && lastBit && found.length) break search;
    		} else {
    			if (first && lastBit) for (m = 0, n = currentItems.length; m < n; m++){
    				this[combinator](currentItems[m], tag, id, classes, attributes, pseudos, classList);
    				if (found.length) break search;
    			} else for (m = 0, n = currentItems.length; m < n; m++) this[combinator](currentItems[m], tag, id, classes, attributes, pseudos, classList);
    		}
    
    		currentItems = this.found;
    	}
    
    	// should sort if there are nodes in append and if you pass multiple expressions.
    	if (hasOthers || (parsed.expressions.length > 1)) this.sort(found);
    
    	return (first) ? (found[0] || null) : found;
    };
    
    // Utils
    
    local.uidx = 1;
    local.uidk = 'slick-uniqueid';
    
    local.getUIDXML = function(node){
    	var uid = node.getAttribute(this.uidk);
    	if (!uid){
    		uid = this.uidx++;
    		node.setAttribute(this.uidk, uid);
    	}
    	return uid;
    };
    
    local.getUIDHTML = function(node){
    	return node.uniqueNumber || (node.uniqueNumber = this.uidx++);
    };
    
    // sort based on the setDocument documentSorter method.
    
    local.sort = function(results){
    	if (!this.documentSorter) return results;
    	results.sort(this.documentSorter);
    	return results;
    };
    
    /*<pseudo-selectors>*//*<nth-pseudo-selectors>*/
    
    local.cacheNTH = {};
    
    local.matchNTH = /^([+-]?\d*)?([a-z]+)?([+-]\d+)?$/;
    
    local.parseNTHArgument = function(argument){
    	var parsed = argument.match(this.matchNTH);
    	if (!parsed) return false;
    	var special = parsed[2] || false;
    	var a = parsed[1] || 1;
    	if (a == '-') a = -1;
    	var b = +parsed[3] || 0;
    	parsed =
    		(special == 'n')	? {a: a, b: b} :
    		(special == 'odd')	? {a: 2, b: 1} :
    		(special == 'even')	? {a: 2, b: 0} : {a: 0, b: a};
    
    	return (this.cacheNTH[argument] = parsed);
    };
    
    local.createNTHPseudo = function(child, sibling, positions, ofType){
    	return function(node, argument){
    		var uid = this.getUID(node);
    		if (!this[positions][uid]){
    			var parent = node.parentNode;
    			if (!parent) return false;
    			var el = parent[child], count = 1;
    			if (ofType){
    				var nodeName = node.nodeName;
    				do {
    					if (el.nodeName != nodeName) continue;
    					this[positions][this.getUID(el)] = count++;
    				} while ((el = el[sibling]));
    			} else {
    				do {
    					if (el.nodeType != 1) continue;
    					this[positions][this.getUID(el)] = count++;
    				} while ((el = el[sibling]));
    			}
    		}
    		argument = argument || 'n';
    		var parsed = this.cacheNTH[argument] || this.parseNTHArgument(argument);
    		if (!parsed) return false;
    		var a = parsed.a, b = parsed.b, pos = this[positions][uid];
    		if (a == 0) return b == pos;
    		if (a > 0){
    			if (pos < b) return false;
    		} else {
    			if (b < pos) return false;
    		}
    		return ((pos - b) % a) == 0;
    	};
    };
    
    /*</nth-pseudo-selectors>*//*</pseudo-selectors>*/
    
    local.pushArray = function(node, tag, id, classes, attributes, pseudos){
    	if (this.matchSelector(node, tag, id, classes, attributes, pseudos)) this.found.push(node);
    };
    
    local.pushUID = function(node, tag, id, classes, attributes, pseudos){
    	var uid = this.getUID(node);
    	if (!this.uniques[uid] && this.matchSelector(node, tag, id, classes, attributes, pseudos)){
    		this.uniques[uid] = true;
    		this.found.push(node);
    	}
    };
    
    local.matchNode = function(node, selector){
    	if (this.isHTMLDocument && this.nativeMatchesSelector){
    		try {
    			return this.nativeMatchesSelector.call(node, selector.replace(/\[([^=]+)=\s*([^'"\]]+?)\s*\]/g, '[$1="$2"]'));
    		} catch(matchError) {}
    	}
    
    	var parsed = this.Slick.parse(selector);
    	if (!parsed) return true;
    
    	// simple (single) selectors
    	var expressions = parsed.expressions, simpleExpCounter = 0, i;
    	for (i = 0; (currentExpression = expressions[i]); i++){
    		if (currentExpression.length == 1){
    			var exp = currentExpression[0];
    			if (this.matchSelector(node, (this.isXMLDocument) ? exp.tag : exp.tag.toUpperCase(), exp.id, exp.classes, exp.attributes, exp.pseudos)) return true;
    			simpleExpCounter++;
    		}
    	}
    
    	if (simpleExpCounter == parsed.length) return false;
    
    	var nodes = this.search(this.document, parsed), item;
    	for (i = 0; item = nodes[i++];){
    		if (item === node) return true;
    	}
    	return false;
    };
    
    local.matchPseudo = function(node, name, argument){
    	var pseudoName = 'pseudo:' + name;
    	if (this[pseudoName]) return this[pseudoName](node, argument);
    	var attribute = this.getAttribute(node, name);
    	return (argument) ? argument == attribute : !!attribute;
    };
    
    local.matchSelector = function(node, tag, id, classes, attributes, pseudos){
    	if (tag){
    		var nodeName = (this.isXMLDocument) ? node.nodeName : node.nodeName.toUpperCase();
    		if (tag == '*'){
    			if (nodeName < '@') return false; // Fix for comment nodes and closed nodes
    		} else {
    			if (nodeName != tag) return false;
    		}
    	}
    
    	if (id && node.getAttribute('id') != id) return false;
    
    	var i, part, cls;
    	if (classes) for (i = classes.length; i--;){
    		cls = this.getAttribute(node, 'class');
    		if (!(cls && classes[i].regexp.test(cls))) return false;
    	}
    	if (attributes) for (i = attributes.length; i--;){
    		part = attributes[i];
    		if (part.operator ? !part.test(this.getAttribute(node, part.key)) : !this.hasAttribute(node, part.key)) return false;
    	}
    	if (pseudos) for (i = pseudos.length; i--;){
    		part = pseudos[i];
    		if (!this.matchPseudo(node, part.key, part.value)) return false;
    	}
    	return true;
    };
    
    var combinators = {
    
    	' ': function(node, tag, id, classes, attributes, pseudos, classList){ // all child nodes, any level
    
    		var i, item, children;
    
    		if (this.isHTMLDocument){
    			getById: if (id){
    				item = this.document.getElementById(id);
    				if ((!item && node.all) || (this.idGetsName && item && item.getAttributeNode('id').nodeValue != id)){
    					// all[id] returns all the elements with that name or id inside node
    					// if theres just one it will return the element, else it will be a collection
    					children = node.all[id];
    					if (!children) return;
    					if (!children[0]) children = [children];
    					for (i = 0; item = children[i++];){
    						var idNode = item.getAttributeNode('id');
    						if (idNode && idNode.nodeValue == id){
    							this.push(item, tag, null, classes, attributes, pseudos);
    							break;
    						}
    					}
    					return;
    				}
    				if (!item){
    					// if the context is in the dom we return, else we will try GEBTN, breaking the getById label
    					if (this.contains(this.root, node)) return;
    					else break getById;
    				} else if (this.document !== node && !this.contains(node, item)) return;
    				this.push(item, tag, null, classes, attributes, pseudos);
    				return;
    			}
    			getByClass: if (classes && node.getElementsByClassName && !this.brokenGEBCN){
    				children = node.getElementsByClassName(classList.join(' '));
    				if (!(children && children.length)) break getByClass;
    				for (i = 0; item = children[i++];) this.push(item, tag, id, null, attributes, pseudos);
    				return;
    			}
    		}
    		getByTag: {
    			children = node.getElementsByTagName(tag);
    			if (!(children && children.length)) break getByTag;
    			if (!this.brokenStarGEBTN) tag = null;
    			for (i = 0; item = children[i++];) this.push(item, tag, id, classes, attributes, pseudos);
    		}
    	},
    
    	'>': function(node, tag, id, classes, attributes, pseudos){ // direct children
    		if ((node = node.firstChild)) do {
    			if (node.nodeType == 1) this.push(node, tag, id, classes, attributes, pseudos);
    		} while ((node = node.nextSibling));
    	},
    
    	'+': function(node, tag, id, classes, attributes, pseudos){ // next sibling
    		while ((node = node.nextSibling)) if (node.nodeType == 1){
    			this.push(node, tag, id, classes, attributes, pseudos);
    			break;
    		}
    	},
    
    	'^': function(node, tag, id, classes, attributes, pseudos){ // first child
    		node = node.firstChild;
    		if (node){
    			if (node.nodeType == 1) this.push(node, tag, id, classes, attributes, pseudos);
    			else this['combinator:+'](node, tag, id, classes, attributes, pseudos);
    		}
    	},
    
    	'~': function(node, tag, id, classes, attributes, pseudos){ // next siblings
    		while ((node = node.nextSibling)){
    			if (node.nodeType != 1) continue;
    			var uid = this.getUID(node);
    			if (this.bitUniques[uid]) break;
    			this.bitUniques[uid] = true;
    			this.push(node, tag, id, classes, attributes, pseudos);
    		}
    	},
    
    	'++': function(node, tag, id, classes, attributes, pseudos){ // next sibling and previous sibling
    		this['combinator:+'](node, tag, id, classes, attributes, pseudos);
    		this['combinator:!+'](node, tag, id, classes, attributes, pseudos);
    	},
    
    	'~~': function(node, tag, id, classes, attributes, pseudos){ // next siblings and previous siblings
    		this['combinator:~'](node, tag, id, classes, attributes, pseudos);
    		this['combinator:!~'](node, tag, id, classes, attributes, pseudos);
    	},
    
    	'!': function(node, tag, id, classes, attributes, pseudos){ // all parent nodes up to document
    		while ((node = node.parentNode)) if (node !== this.document) this.push(node, tag, id, classes, attributes, pseudos);
    	},
    
    	'!>': function(node, tag, id, classes, attributes, pseudos){ // direct parent (one level)
    		node = node.parentNode;
    		if (node !== this.document) this.push(node, tag, id, classes, attributes, pseudos);
    	},
    
    	'!+': function(node, tag, id, classes, attributes, pseudos){ // previous sibling
    		while ((node = node.previousSibling)) if (node.nodeType == 1){
    			this.push(node, tag, id, classes, attributes, pseudos);
    			break;
    		}
    	},
    
    	'!^': function(node, tag, id, classes, attributes, pseudos){ // last child
    		node = node.lastChild;
    		if (node){
    			if (node.nodeType == 1) this.push(node, tag, id, classes, attributes, pseudos);
    			else this['combinator:!+'](node, tag, id, classes, attributes, pseudos);
    		}
    	},
    
    	'!~': function(node, tag, id, classes, attributes, pseudos){ // previous siblings
    		while ((node = node.previousSibling)){
    			if (node.nodeType != 1) continue;
    			var uid = this.getUID(node);
    			if (this.bitUniques[uid]) break;
    			this.bitUniques[uid] = true;
    			this.push(node, tag, id, classes, attributes, pseudos);
    		}
    	}
    
    };
    
    for (var c in combinators) local['combinator:' + c] = combinators[c];
    
    var pseudos = {
    
    	/*<pseudo-selectors>*/
    
    	'empty': function(node){
    		var child = node.firstChild;
    		return !(child && child.nodeType == 1) && !(node.innerText || node.textContent || '').length;
    	},
    
    	'not': function(node, expression){
    		return !this.matchNode(node, expression);
    	},
    
    	'contains': function(node, text){
    		return (node.innerText || node.textContent || '').indexOf(text) > -1;
    	},
    
    	'first-child': function(node){
    		while ((node = node.previousSibling)) if (node.nodeType == 1) return false;
    		return true;
    	},
    
    	'last-child': function(node){
    		while ((node = node.nextSibling)) if (node.nodeType == 1) return false;
    		return true;
    	},
    
    	'only-child': function(node){
    		var prev = node;
    		while ((prev = prev.previousSibling)) if (prev.nodeType == 1) return false;
    		var next = node;
    		while ((next = next.nextSibling)) if (next.nodeType == 1) return false;
    		return true;
    	},
    
    	/*<nth-pseudo-selectors>*/
    
    	'nth-child': local.createNTHPseudo('firstChild', 'nextSibling', 'posNTH'),
    
    	'nth-last-child': local.createNTHPseudo('lastChild', 'previousSibling', 'posNTHLast'),
    
    	'nth-of-type': local.createNTHPseudo('firstChild', 'nextSibling', 'posNTHType', true),
    
    	'nth-last-of-type': local.createNTHPseudo('lastChild', 'previousSibling', 'posNTHTypeLast', true),
    
    	'index': function(node, index){
    		return this['pseudo:nth-child'](node, '' + (index + 1));
    	},
    
    	'even': function(node){
    		return this['pseudo:nth-child'](node, '2n');
    	},
    
    	'odd': function(node){
    		return this['pseudo:nth-child'](node, '2n+1');
    	},
    
    	/*</nth-pseudo-selectors>*/
    
    	/*<of-type-pseudo-selectors>*/
    
    	'first-of-type': function(node){
    		var nodeName = node.nodeName;
    		while ((node = node.previousSibling)) if (node.nodeName == nodeName) return false;
    		return true;
    	},
    
    	'last-of-type': function(node){
    		var nodeName = node.nodeName;
    		while ((node = node.nextSibling)) if (node.nodeName == nodeName) return false;
    		return true;
    	},
    
    	'only-of-type': function(node){
    		var prev = node, nodeName = node.nodeName;
    		while ((prev = prev.previousSibling)) if (prev.nodeName == nodeName) return false;
    		var next = node;
    		while ((next = next.nextSibling)) if (next.nodeName == nodeName) return false;
    		return true;
    	},
    
    	/*</of-type-pseudo-selectors>*/
    
    	// custom pseudos
    
    	'enabled': function(node){
    		return !node.disabled;
    	},
    
    	'disabled': function(node){
    		return node.disabled;
    	},
    
    	'checked': function(node){
    		return node.checked || node.selected;
    	},
    
    	'focus': function(node){
    		return this.isHTMLDocument && this.document.activeElement === node && (node.href || node.type || this.hasAttribute(node, 'tabindex'));
    	},
    
    	'root': function(node){
    		return (node === this.root);
    	},
    
    	'selected': function(node){
    		return node.selected;
    	}
    
    	/*</pseudo-selectors>*/
    };
    
    for (var p in pseudos) local['pseudo:' + p] = pseudos[p];
    
    // attributes methods
    
    var attributeGetters = local.attributeGetters = {
    
    	'for': function(){
    		return ('htmlFor' in this) ? this.htmlFor : this.getAttribute('for');
    	},
    
    	'href': function(){
    		return ('href' in this) ? this.getAttribute('href', 2) : this.getAttribute('href');
    	},
    
    	'style': function(){
    		return (this.style) ? this.style.cssText : this.getAttribute('style');
    	},
    
    	'tabindex': function(){
    		var attributeNode = this.getAttributeNode('tabindex');
    		return (attributeNode && attributeNode.specified) ? attributeNode.nodeValue : null;
    	},
    
    	'type': function(){
    		return this.getAttribute('type');
    	},
    
    	'maxlength': function(){
    		var attributeNode = this.getAttributeNode('maxLength');
    		return (attributeNode && attributeNode.specified) ? attributeNode.nodeValue : null;
    	}
    
    };
    
    attributeGetters.MAXLENGTH = attributeGetters.maxLength = attributeGetters.maxlength;
    
    // Slick
    
    var Slick = local.Slick = (this.Slick || {});
    
    Slick.version = '1.1.7';
    
    // Slick finder
    
    Slick.search = function(context, expression, append){
    	return local.search(context, expression, append);
    };
    
    Slick.find = function(context, expression){
    	return local.search(context, expression, null, true);
    };
    
    // Slick containment checker
    
    Slick.contains = function(container, node){
    	local.setDocument(container);
    	return local.contains(container, node);
    };
    
    // Slick attribute getter
    
    Slick.getAttribute = function(node, name){
    	local.setDocument(node);
    	return local.getAttribute(node, name);
    };
    
    Slick.hasAttribute = function(node, name){
    	local.setDocument(node);
    	return local.hasAttribute(node, name);
    };
    
    // Slick matcher
    
    Slick.match = function(node, selector){
    	if (!(node && selector)) return false;
    	if (!selector || selector === node) return true;
    	local.setDocument(node);
    	return local.matchNode(node, selector);
    };
    
    // Slick attribute accessor
    
    Slick.defineAttributeGetter = function(name, fn){
    	local.attributeGetters[name] = fn;
    	return this;
    };
    
    Slick.lookupAttributeGetter = function(name){
    	return local.attributeGetters[name];
    };
    
    // Slick pseudo accessor
    
    Slick.definePseudo = function(name, fn){
    	local['pseudo:' + name] = function(node, argument){
    		return fn.call(node, argument);
    	};
    	return this;
    };
    
    Slick.lookupPseudo = function(name){
    	var pseudo = local['pseudo:' + name];
    	if (pseudo) return function(argument){
    		return pseudo.call(this, argument);
    	};
    	return null;
    };
    
    // Slick overrides accessor
    
    Slick.override = function(regexp, fn){
    	local.override(regexp, fn);
    	return this;
    };
    
    Slick.isXML = local.isXML;
    
    Slick.uidOf = function(node){
    	return local.getUIDHTML(node);
    };
    
    if (!this.Slick) this.Slick = Slick;
    
    }).apply(/*<CommonJS>*/(typeof exports != 'undefined') ? exports : /*</CommonJS>*/this);
    
    
    /*
    ---
    
    name: Element
    
    description: 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.
    
    requires: [Window, Document, Array, String, Function, Object, Number, Slick.Parser, Slick.Finder]
    
    provides: [Element, Elements, $, $$, Iframe, Selectors]
    
    ...
    */
    
    var Element = function(tag, props){
    	var konstructor = Element.Constructors[tag];
    	if (konstructor) return konstructor(props);
    	if (typeof tag != 'string') return document.id(tag).set(props);
    
    	if (!props) props = {};
    
    	if (!(/^[\w-]+$/).test(tag)){
    		var parsed = Slick.parse(tag).expressions[0][0];
    		tag = (parsed.tag == '*') ? 'div' : parsed.tag;
    		if (parsed.id && props.id == null) props.id = parsed.id;
    
    		var attributes = parsed.attributes;
    		if (attributes) for (var attr, i = 0, l = attributes.length; i < l; i++){
    			attr = attributes[i];
    			if (props[attr.key] != null) continue;
    
    			if (attr.value != null && attr.operator == '=') props[attr.key] = attr.value;
    			else if (!attr.value && !attr.operator) props[attr.key] = true;
    		}
    
    		if (parsed.classList && props['class'] == null) props['class'] = parsed.classList.join(' ');
    	}
    
    	return document.newElement(tag, props);
    };
    
    
    if (Browser.Element){
    	Element.prototype = Browser.Element.prototype;
    	// IE8 and IE9 require the wrapping.
    	Element.prototype._fireEvent = (function(fireEvent){
    		return function(type, event){
    			return fireEvent.call(this, type, event);
    		};
    	})(Element.prototype.fireEvent);
    }
    
    new Type('Element', Element).mirror(function(name){
    	if (Array.prototype[name]) return;
    
    	var obj = {};
    	obj[name] = function(){
    		var results = [], args = arguments, elements = true;
    		for (var i = 0, l = this.length; i < l; i++){
    			var element = this[i], result = results[i] = element[name].apply(element, args);
    			elements = (elements && typeOf(result) == 'element');
    		}
    		return (elements) ? new Elements(results) : results;
    	};
    
    	Elements.implement(obj);
    });
    
    if (!Browser.Element){
    	Element.parent = Object;
    
    	Element.Prototype = {
    		'$constructor': Element,
    		'$family': Function.from('element').hide()
    	};
    
    	Element.mirror(function(name, method){
    		Element.Prototype[name] = method;
    	});
    }
    
    Element.Constructors = {};
    
    //<1.2compat>
    
    Element.Constructors = new Hash;
    
    //</1.2compat>
    
    var IFrame = new Type('IFrame', function(){
    	var params = Array.link(arguments, {
    		properties: Type.isObject,
    		iframe: function(obj){
    			return (obj != null);
    		}
    	});
    
    	var props = params.properties || {}, iframe;
    	if (params.iframe) iframe = document.id(params.iframe);
    	var onload = props.onload || function(){};
    	delete props.onload;
    	props.id = props.name = [props.id, props.name, iframe ? (iframe.id || iframe.name) : 'IFrame_' + String.uniqueID()].pick();
    	iframe = new Element(iframe || 'iframe', props);
    
    	var onLoad = function(){
    		onload.call(iframe.contentWindow);
    	};
    
    	if (window.frames[props.id]) onLoad();
    	else iframe.addListener('load', onLoad);
    	return iframe;
    });
    
    var Elements = this.Elements = function(nodes){
    	if (nodes && nodes.length){
    		var uniques = {}, node;
    		for (var i = 0; node = nodes[i++];){
    			var uid = Slick.uidOf(node);
    			if (!uniques[uid]){
    				uniques[uid] = true;
    				this.push(node);
    			}
    		}
    	}
    };
    
    Elements.prototype = {length: 0};
    Elements.parent = Array;
    
    new Type('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));
    	}.protect(),
    
    	push: function(){
    		var length = this.length;
    		for (var i = 0, l = arguments.length; i < l; i++){
    			var item = document.id(arguments[i]);
    			if (item) this[length++] = item;
    		}
    		return (this.length = length);
    	}.protect(),
    
    	unshift: function(){
    		var items = [];
    		for (var i = 0, l = arguments.length; i < l; i++){
    			var item = document.id(arguments[i]);
    			if (item) items.push(item);
    		}
    		return Array.prototype.unshift.apply(this, items);
    	}.protect(),
    
    	concat: function(){
    		var newElements = new Elements(this);
    		for (var i = 0, l = arguments.length; i < l; i++){
    			var item = arguments[i];
    			if (Type.isEnumerable(item)) newElements.append(item);
    			else newElements.push(item);
    		}
    		return newElements;
    	}.protect(),
    
    	append: function(collection){
    		for (var i = 0, l = collection.length; i < l; i++) this.push(collection[i]);
    		return this;
    	}.protect(),
    
    	empty: function(){
    		while (this.length) delete this[--this.length];
    		return this;
    	}.protect()
    
    });
    
    //<1.2compat>
    
    Elements.alias('extend', 'append');
    
    //</1.2compat>
    
    (function(){
    
    // FF, IE
    var splice = Array.prototype.splice, object = {'0': 0, '1': 1, length: 2};
    
    splice.call(object, 1, 1);
    if (object[1] == 1) Elements.implement('splice', function(){
    	var length = this.length;
    	var result = splice.apply(this, arguments);
    	while (length >= this.length) delete this[length--];
    	return result;
    }.protect());
    
    Array.forEachMethod(function(method, name){
    	Elements.implement(name, method);
    });
    
    Array.mirror(Elements);
    
    /*<ltIE8>*/
    var createElementAcceptsHTML;
    try {
        createElementAcceptsHTML = (document.createElement('<input name=x>').name == 'x');
    } catch (e){}
    
    var escapeQuotes = function(html){
    	return ('' + html).replace(/&/g, '&amp;').replace(/"/g, '&quot;');
    };
    /*</ltIE8>*/
    
    Document.implement({
    
    	newElement: function(tag, props){
    		if (props && props.checked != null) props.defaultChecked = props.checked;
    		/*<ltIE8>*/// Fix for readonly name and type properties in IE < 8
    		if (createElementAcceptsHTML && props){
    			tag = '<' + tag;
    			if (props.name) tag += ' name="' + escapeQuotes(props.name) + '"';
    			if (props.type) tag += ' type="' + escapeQuotes(props.type) + '"';
    			tag += '>';
    			delete props.name;
    			delete props.type;
    		}
    		/*</ltIE8>*/
    		return this.id(this.createElement(tag)).set(props);
    	}
    
    });
    
    })();
    
    (function(){
    
    Slick.uidOf(window);
    Slick.uidOf(document);
    
    Document.implement({
    
    	newTextNode: function(text){
    		return this.createTextNode(text);
    	},
    
    	getDocument: function(){
    		return this;
    	},
    
    	getWindow: function(){
    		return this.window;
    	},
    
    	id: (function(){
    
    		var types = {
    
    			string: function(id, nocash, doc){
    				id = Slick.find(doc, '#' + id.replace(/(\W)/g, '\\$1'));
    				return (id) ? types.element(id, nocash) : null;
    			},
    
    			element: function(el, nocash){
    				Slick.uidOf(el);
    				if (!nocash && !el.$family && !(/^(?:object|embed)$/i).test(el.tagName)){
    					var fireEvent = el.fireEvent;
    					// wrapping needed in IE7, or else crash
    					el._fireEvent = function(type, event){
    						return fireEvent(type, event);
    					};
    					Object.append(el, Element.Prototype);
    				}
    				return el;
    			},
    
    			object: function(obj, nocash, doc){
    				if (obj.toElement) return types.element(obj.toElement(doc), nocash);
    				return null;
    			}
    
    		};
    
    		types.textnode = types.whitespace = types.window = types.document = function(zero){
    			return zero;
    		};
    
    		return function(el, nocash, doc){
    			if (el && el.$family && el.uniqueNumber) return el;
    			var type = typeOf(el);
    			return (types[type]) ? types[type](el, nocash, doc || document) : null;
    		};
    
    	})()
    
    });
    
    if (window.$ == null) Window.implement('$', function(el, nc){
    	return document.id(el, nc, this.document);
    });
    
    Window.implement({
    
    	getDocument: function(){
    		return this.document;
    	},
    
    	getWindow: function(){
    		return this;
    	}
    
    });
    
    [Document, Element].invoke('implement', {
    
    	getElements: function(expression){
    		return Slick.search(this, expression, new Elements);
    	},
    
    	getElement: function(expression){
    		return document.id(Slick.find(this, expression));
    	}
    
    });
    
    var contains = {contains: function(element){
    	return Slick.contains(this, element);
    }};
    
    if (!document.contains) Document.implement(contains);
    if (!document.createElement('div').contains) Element.implement(contains);
    
    //<1.2compat>
    
    Element.implement('hasChild', function(element){
    	return this !== element && this.contains(element);
    });
    
    (function(search, find, match){
    
    	this.Selectors = {};
    	var pseudos = this.Selectors.Pseudo = new Hash();
    
    	var addSlickPseudos = function(){
    		for (var name in pseudos) if (pseudos.hasOwnProperty(name)){
    			Slick.definePseudo(name, pseudos[name]);
    			delete pseudos[name];
    		}
    	};
    
    	Slick.search = function(context, expression, append){
    		addSlickPseudos();
    		return search.call(this, context, expression, append);
    	};
    
    	Slick.find = function(context, expression){
    		addSlickPseudos();
    		return find.call(this, context, expression);
    	};
    
    	Slick.match = function(node, selector){
    		addSlickPseudos();
    		return match.call(this, node, selector);
    	};
    
    })(Slick.search, Slick.find, Slick.match);
    
    //</1.2compat>
    
    // tree walking
    
    var injectCombinator = function(expression, combinator){
    	if (!expression) return combinator;
    
    	expression = Object.clone(Slick.parse(expression));
    
    	var expressions = expression.expressions;
    	for (var i = expressions.length; i--;)
    		expressions[i][0].combinator = combinator;
    
    	return expression;
    };
    
    Object.forEach({
    	getNext: '~',
    	getPrevious: '!~',
    	getParent: '!'
    }, function(combinator, method){
    	Element.implement(method, function(expression){
    		return this.getElement(injectCombinator(expression, combinator));
    	});
    });
    
    Object.forEach({
    	getAllNext: '~',
    	getAllPrevious: '!~',
    	getSiblings: '~~',
    	getChildren: '>',
    	getParents: '!'
    }, function(combinator, method){
    	Element.implement(method, function(expression){
    		return this.getElements(injectCombinator(expression, combinator));
    	});
    });
    
    Element.implement({
    
    	getFirst: function(expression){
    		return document.id(Slick.search(this, injectCombinator(expression, '>'))[0]);
    	},
    
    	getLast: function(expression){
    		return document.id(Slick.search(this, injectCombinator(expression, '>')).getLast());
    	},
    
    	getWindow: function(){
    		return this.ownerDocument.window;
    	},
    
    	getDocument: function(){
    		return this.ownerDocument;
    	},
    
    	getElementById: function(id){
    		return document.id(Slick.find(this, '#' + ('' + id).replace(/(\W)/g, '\\$1')));
    	},
    
    	match: function(expression){
    		return !expression || Slick.match(this, expression);
    	}
    
    });
    
    //<1.2compat>
    
    if (window.$$ == null) Window.implement('$$', function(selector){
    	var elements = new Elements;
    	if (arguments.length == 1 && typeof selector == 'string') return Slick.search(this.document, selector, elements);
    	var args = Array.flatten(arguments);
    	for (var i = 0, l = args.length; i < l; i++){
    		var item = args[i];
    		switch (typeOf(item)){
    			case 'element': elements.push(item); break;
    			case 'string': Slick.search(this.document, item, elements);
    		}
    	}
    	return elements;
    });
    
    //</1.2compat>
    
    if (window.$$ == null) Window.implement('$$', function(selector){
    	if (arguments.length == 1){
    		if (typeof selector == 'string') return Slick.search(this.document, selector, new Elements);
    		else if (Type.isEnumerable(selector)) return new Elements(selector);
    	}
    	return new Elements(arguments);
    });
    
    // Inserters
    
    var inserters = {
    
    	before: function(context, element){
    		var parent = element.parentNode;
    		if (parent) parent.insertBefore(context, element);
    	},
    
    	after: function(context, element){
    		var parent = element.parentNode;
    		if (parent) parent.insertBefore(context, element.nextSibling);
    	},
    
    	bottom: function(context, element){
    		element.appendChild(context);
    	},
    
    	top: function(context, element){
    		element.insertBefore(context, element.firstChild);
    	}
    
    };
    
    inserters.inside = inserters.bottom;
    
    //<1.2compat>
    
    Object.each(inserters, function(inserter, where){
    
    	where = where.capitalize();
    
    	var methods = {};
    
    	methods['inject' + where] = function(el){
    		inserter(this, document.id(el, true));
    		return this;
    	};
    
    	methods['grab' + where] = function(el){
    		inserter(document.id(el, true), this);
    		return this;
    	};
    
    	Element.implement(methods);
    
    });
    
    //</1.2compat>
    
    // getProperty / setProperty
    
    var propertyGetters = {}, propertySetters = {};
    
    // properties
    
    var properties = {};
    Array.forEach([
    	'type', 'value', 'defaultValue', 'accessKey', 'cellPadding', 'cellSpacing', 'colSpan',
    	'frameBorder', 'rowSpan', 'tabIndex', 'useMap'
    ], function(property){
    	properties[property.toLowerCase()] = property;
    });
    
    properties.html = 'innerHTML';
    properties.text = (document.createElement('div').textContent == null) ? 'innerText': 'textContent';
    
    Object.forEach(properties, function(real, key){
    	propertySetters[key] = function(node, value){
    		node[real] = value;
    	};
    	propertyGetters[key] = function(node){
    		return node[real];
    	};
    });
    
    // Booleans
    
    var bools = [
    	'compact', 'nowrap', 'ismap', 'declare', 'noshade', 'checked',
    	'disabled', 'readOnly', 'multiple', 'selected', 'noresize',
    	'defer', 'defaultChecked', 'autofocus', 'controls', 'autoplay',
    	'loop'
    ];
    
    var booleans = {};
    Array.forEach(bools, function(bool){
    	var lower = bool.toLowerCase();
    	booleans[lower] = bool;
    	propertySetters[lower] = function(node, value){
    		node[bool] = !!value;
    	};
    	propertyGetters[lower] = function(node){
    		return !!node[bool];
    	};
    });
    
    // Special cases
    
    Object.append(propertySetters, {
    
    	'class': function(node, value){
    		('className' in node) ? node.className = (value || '') : node.setAttribute('class', value);
    	},
    
    	'for': function(node, value){
    		('htmlFor' in node) ? node.htmlFor = value : node.setAttribute('for', value);
    	},
    
    	'style': function(node, value){
    		(node.style) ? node.style.cssText = value : node.setAttribute('style', value);
    	},
    
    	'value': function(node, value){
    		node.value = (value != null) ? value : '';
    	}
    
    });
    
    propertyGetters['class'] = function(node){
    	return ('className' in node) ? node.className || null : node.getAttribute('class');
    };
    
    /* <webkit> */
    var el = document.createElement('button');
    // IE sets type as readonly and throws
    try { el.type = 'button'; } catch(e){}
    if (el.type != 'button') propertySetters.type = function(node, value){
    	node.setAttribute('type', value);
    };
    el = null;
    /* </webkit> */
    
    /*<IE>*/
    var input = document.createElement('input');
    input.value = 't';
    input.type = 'submit';
    if (input.value != 't') propertySetters.type = function(node, type){
    	var value = node.value;
    	node.type = type;
    	node.value = value;
    };
    input = null;
    /*</IE>*/
    
    /* getProperty, setProperty */
    
    /* <ltIE9> */
    var pollutesGetAttribute = (function(div){
    	div.random = 'attribute';
    	return (div.getAttribute('random') == 'attribute');
    })(document.createElement('div'));
    
    /* <ltIE9> */
    
    Element.implement({
    
    	setProperty: function(name, value){
    		var setter = propertySetters[name.toLowerCase()];
    		if (setter){
    			setter(this, value);
    		} else {
    			/* <ltIE9> */
    			if (pollutesGetAttribute) var attributeWhiteList = this.retrieve('$attributeWhiteList', {});
    			/* </ltIE9> */
    
    			if (value == null){
    				this.removeAttribute(name);
    				/* <ltIE9> */
    				if (pollutesGetAttribute) delete attributeWhiteList[name];
    				/* </ltIE9> */
    			} else {
    				this.setAttribute(name, '' + value);
    				/* <ltIE9> */
    				if (pollutesGetAttribute) attributeWhiteList[name] = true;
    				/* </ltIE9> */
    			}
    		}
    		return this;
    	},
    
    	setProperties: function(attributes){
    		for (var attribute in attributes) this.setProperty(attribute, attributes[attribute]);
    		return this;
    	},
    
    	getProperty: function(name){
    		var getter = propertyGetters[name.toLowerCase()];
    		if (getter) return getter(this);
    		/* <ltIE9> */
    		if (pollutesGetAttribute){
    			var attr = this.getAttributeNode(name), attributeWhiteList = this.retrieve('$attributeWhiteList', {});
    			if (!attr) return null;
    			if (attr.expando && !attributeWhiteList[name]){
    				var outer = this.outerHTML;
    				// segment by the opening tag and find mention of attribute name
    				if (outer.substr(0, outer.search(/\/?['"]?>(?![^<]*<['"])/)).indexOf(name) < 0) return null;
    				attributeWhiteList[name] = true;
    			}
    		}
    		/* </ltIE9> */
    		var result = Slick.getAttribute(this, name);
    		return (!result && !Slick.hasAttribute(this, name)) ? null : result;
    	},
    
    	getProperties: function(){
    		var args = Array.from(arguments);
    		return args.map(this.getProperty, this).associate(args);
    	},
    
    	removeProperty: function(name){
    		return this.setProperty(name, null);
    	},
    
    	removeProperties: function(){
    		Array.each(arguments, this.removeProperty, this);
    		return this;
    	},
    
    	set: function(prop, value){
    		var property = Element.Properties[prop];
    		(property && property.set) ? property.set.call(this, value) : this.setProperty(prop, value);
    	}.overloadSetter(),
    
    	get: function(prop){
    		var property = Element.Properties[prop];
    		return (property && property.get) ? property.get.apply(this) : this.getProperty(prop);
    	}.overloadGetter(),
    
    	erase: function(prop){
    		var property = Element.Properties[prop];
    		(property && property.erase) ? property.erase.apply(this) : this.removeProperty(prop);
    		return this;
    	},
    
    	hasClass: function(className){
    		return this.className.clean().contains(className, ' ');
    	},
    
    	addClass: function(className){
    		if (!this.hasClass(className)) this.className = (this.className + ' ' + className).clean();
    		return this;
    	},
    
    	removeClass: function(className){
    		this.className = this.className.replace(new RegExp('(^|\\s)' + className + '(?:\\s|$)'), '$1');
    		return this;
    	},
    
    	toggleClass: function(className, force){
    		if (force == null) force = !this.hasClass(className);
    		return (force) ? this.addClass(className) : this.removeClass(className);
    	},
    
    	adopt: function(){
    		var parent = this, fragment, elements = Array.flatten(arguments), length = elements.length;
    		if (length > 1) parent = fragment = document.createDocumentFragment();
    
    		for (var i = 0; i < length; i++){
    			var element = document.id(elements[i], true);
    			if (element) parent.appendChild(element);
    		}
    
    		if (fragment) this.appendChild(fragment);
    
    		return this;
    	},
    
    	appendText: function(text, where){
    		return this.grab(this.getDocument().newTextNode(text), where);
    	},
    
    	grab: function(el, where){
    		inserters[where || 'bottom'](document.id(el, true), this);
    		return this;
    	},
    
    	inject: function(el, where){
    		inserters[where || 'bottom'](this, document.id(el, true));
    		return this;
    	},
    
    	replaces: function(el){
    		el = document.id(el, true);
    		el.parentNode.replaceChild(this, el);
    		return this;
    	},
    
    	wraps: function(el, where){
    		el = document.id(el, true);
    		return this.replaces(el).grab(el, where);
    	},
    
    	getSelected: function(){
    		this.selectedIndex; // Safari 3.2.1
    		return new Elements(Array.from(this.options).filter(function(option){
    			return option.selected;
    		}));
    	},
    
    	toQueryString: function(){
    		var queryString = [];
    		this.getElements('input, select, textarea').each(function(el){
    			var type = el.type;
    			if (!el.name || el.disabled || type == 'submit' || type == 'reset' || type == 'file' || type == 'image') return;
    
    			var value = (el.get('tag') == 'select') ? el.getSelected().map(function(opt){
    				// IE
    				return document.id(opt).get('value');
    			}) : ((type == 'radio' || type == 'checkbox') && !el.checked) ? null : el.get('value');
    
    			Array.from(value).each(function(val){
    				if (typeof val != 'undefined') queryString.push(encodeURIComponent(el.name) + '=' + encodeURIComponent(val));
    			});
    		});
    		return queryString.join('&');
    	}
    
    });
    
    var collected = {}, storage = {};
    
    var get = function(uid){
    	return (storage[uid] || (storage[uid] = {}));
    };
    
    var clean = function(item){
    	var uid = item.uniqueNumber;
    	if (item.removeEvents) item.removeEvents();
    	if (item.clearAttributes) item.clearAttributes();
    	if (uid != null){
    		delete collected[uid];
    		delete storage[uid];
    	}
    	return item;
    };
    
    var formProps = {input: 'checked', option: 'selected', textarea: 'value'};
    
    Element.implement({
    
    	destroy: function(){
    		var children = clean(this).getElementsByTagName('*');
    		Array.each(children, clean);
    		Element.dispose(this);
    		return null;
    	},
    
    	empty: function(){
    		Array.from(this.childNodes).each(Element.dispose);
    		return this;
    	},
    
    	dispose: function(){
    		return (this.parentNode) ? this.parentNode.removeChild(this) : this;
    	},
    
    	clone: function(contents, keepid){
    		contents = contents !== false;
    		var clone = this.cloneNode(contents), ce = [clone], te = [this], i;
    
    		if (contents){
    			ce.append(Array.from(clone.getElementsByTagName('*')));
    			te.append(Array.from(this.getElementsByTagName('*')));
    		}
    
    		for (i = ce.length; i--;){
    			var node = ce[i], element = te[i];
    			if (!keepid) node.removeAttribute('id');
    			/*<ltIE9>*/
    			if (node.clearAttributes){
    				node.clearAttributes();
    				node.mergeAttributes(element);
    				node.removeAttribute('uniqueNumber');
    				if (node.options){
    					var no = node.options, eo = element.options;
    					for (var j = no.length; j--;) no[j].selected = eo[j].selected;
    				}
    			}
    			/*</ltIE9>*/
    			var prop = formProps[element.tagName.toLowerCase()];
    			if (prop && element[prop]) node[prop] = element[prop];
    		}
    
    		/*<ltIE9>*/
    		if (Browser.ie){
    			var co = clone.getElementsByTagName('object'), to = this.getElementsByTagName('object');
    			for (i = co.length; i--;) co[i].outerHTML = to[i].outerHTML;
    		}
    		/*</ltIE9>*/
    		return document.id(clone);
    	}
    
    });
    
    [Element, Window, Document].invoke('implement', {
    
    	addListener: function(type, fn){
    		if (type == 'unload'){
    			var old = fn, self = this;
    			fn = function(){
    				self.removeListener('unload', fn);
    				old();
    			};
    		} else {
    			collected[Slick.uidOf(this)] = this;
    		}
    		if (this.addEventListener) this.addEventListener(type, fn, !!arguments[2]);
    		else this.attachEvent('on' + type, fn);
    		return this;
    	},
    
    	removeListener: function(type, fn){
    		if (this.removeEventListener) this.removeEventListener(type, fn, !!arguments[2]);
    		else this.detachEvent('on' + type, fn);
    		return this;
    	},
    
    	retrieve: function(property, dflt){
    		var storage = get(Slick.uidOf(this)), prop = storage[property];
    		if (dflt != null && prop == null) prop = storage[property] = dflt;
    		return prop != null ? prop : null;
    	},
    
    	store: function(property, value){
    		var storage = get(Slick.uidOf(this));
    		storage[property] = value;
    		return this;
    	},
    
    	eliminate: function(property){
    		var storage = get(Slick.uidOf(this));
    		delete storage[property];
    		return this;
    	}
    
    });
    
    /*<ltIE9>*/
    if (window.attachEvent && !window.addEventListener) window.addListener('unload', function(){
    	Object.each(collected, clean);
    	if (window.CollectGarbage) CollectGarbage();
    });
    /*</ltIE9>*/
    
    Element.Properties = {};
    
    //<1.2compat>
    
    Element.Properties = new Hash;
    
    //</1.2compat>
    
    Element.Properties.style = {
    
    	set: function(style){
    		this.style.cssText = style;
    	},
    
    	get: function(){
    		return this.style.cssText;
    	},
    
    	erase: function(){
    		this.style.cssText = '';
    	}
    
    };
    
    Element.Properties.tag = {
    
    	get: function(){
    		return this.tagName.toLowerCase();
    	}
    
    };
    
    Element.Properties.html = {
    
    	set: function(html){
    		if (html == null) html = '';
    		else if (typeOf(html) == 'array') html = html.join('');
    		this.innerHTML = html;
    	},
    
    	erase: function(){
    		this.innerHTML = '';
    	}
    
    };
    
    /*<ltIE9>*/
    // technique by jdbarlett - http://jdbartlett.com/innershiv/
    var div = document.createElement('div');
    div.innerHTML = '<nav></nav>';
    var supportsHTML5Elements = (div.childNodes.length == 1);
    if (!supportsHTML5Elements){
    	var tags = 'abbr article aside audio canvas datalist details figcaption figure footer header hgroup mark meter nav output progress section summary time video'.split(' '),
    		fragment = document.createDocumentFragment(), l = tags.length;
    	while (l--) fragment.createElement(tags[l]);
    }
    div = null;
    /*</ltIE9>*/
    
    /*<IE>*/
    var supportsTableInnerHTML = Function.attempt(function(){
    	var table = document.createElement('table');
    	table.innerHTML = '<tr><td></td></tr>';
    	return true;
    });
    
    /*<ltFF4>*/
    var tr = document.createElement('tr'), html = '<td></td>';
    tr.innerHTML = html;
    var supportsTRInnerHTML = (tr.innerHTML == html);
    tr = null;
    /*</ltFF4>*/
    
    if (!supportsTableInnerHTML || !supportsTRInnerHTML || !supportsHTML5Elements){
    
    	Element.Properties.html.set = (function(set){
    
    		var translations = {
    			table: [1, '<table>', '</table>'],
    			select: [1, '<select>', '</select>'],
    			tbody: [2, '<table><tbody>', '</tbody></table>'],
    			tr: [3, '<table><tbody><tr>', '</tr></tbody></table>']
    		};
    
    		translations.thead = translations.tfoot = translations.tbody;
    
    		return function(html){
    			var wrap = translations[this.get('tag')];
    			if (!wrap && !supportsHTML5Elements) wrap = [0, '', ''];
    			if (!wrap) return set.call(this, html);
    
    			var level = wrap[0], wrapper = document.createElement('div'), target = wrapper;
    			if (!supportsHTML5Elements) fragment.appendChild(wrapper);
    			wrapper.innerHTML = [wrap[1], html, wrap[2]].flatten().join('');
    			while (level--) target = target.firstChild;
    			this.empty().adopt(target.childNodes);
    			if (!supportsHTML5Elements) fragment.removeChild(wrapper);
    			wrapper = null;
    		};
    
    	})(Element.Properties.html.set);
    }
    /*</IE>*/
    
    /*<ltIE9>*/
    var testForm = document.createElement('form');
    testForm.innerHTML = '<select><option>s</option></select>';
    
    if (testForm.firstChild.value != 's') Element.Properties.value = {
    
    	set: function(value){
    		var tag = this.get('tag');
    		if (tag != 'select') return this.setProperty('value', value);
    		var options = this.getElements('option');
    		for (var i = 0; i < options.length; i++){
    			var option = options[i],
    				attr = option.getAttributeNode('value'),
    				optionValue = (attr && attr.specified) ? option.value : option.get('text');
    			if (optionValue == value) return option.selected = true;
    		}
    	},
    
    	get: function(){
    		var option = this, tag = option.get('tag');
    
    		if (tag != 'select' && tag != 'option') return this.getProperty('value');
    
    		if (tag == 'select' && !(option = option.getSelected()[0])) return '';
    
    		var attr = option.getAttributeNode('value');
    		return (attr && attr.specified) ? option.value : option.get('text');
    	}
    
    };
    testForm = null;
    /*</ltIE9>*/
    
    /*<IE>*/
    if (document.createElement('div').getAttributeNode('id')) Element.Properties.id = {
    	set: function(id){
    		this.id = this.getAttributeNode('id').value = id;
    	},
    	get: function(){
    		return this.id || null;
    	},
    	erase: function(){
    		this.id = this.getAttributeNode('id').value = '';
    	}
    };
    /*</IE>*/
    
    })();
    
    
    /*
    ---
    
    name: Element.Style
    
    description: Contains methods for interacting with the styles of Elements in a fashionable way.
    
    license: MIT-style license.
    
    requires: Element
    
    provides: Element.Style
    
    ...
    */
    
    (function(){
    
    var html = document.html;
    
    //<ltIE9>
    // Check for oldIE, which does not remove styles when they're set to null
    var el = document.createElement('div');
    el.style.color = 'red';
    el.style.color = null;
    var doesNotRemoveStyles = el.style.color == 'red';
    el = null;
    //</ltIE9>
    
    Element.Properties.styles = {set: function(styles){
    	this.setStyles(styles);
    }};
    
    var hasOpacity = (html.style.opacity != null),
    	hasFilter = (html.style.filter != null),
    	reAlpha = /alpha\(opacity=([\d.]+)\)/i;
    
    var setVisibility = function(element, opacity){
    	element.store('$opacity', opacity);
    	element.style.visibility = opacity > 0 || opacity == null ? 'visible' : 'hidden';
    };
    
    var setOpacity = (hasOpacity ? function(element, opacity){
    	element.style.opacity = opacity;
    } : (hasFilter ? function(element, opacity){
    	var style = element.style;
    	if (!element.currentStyle || !element.currentStyle.hasLayout) style.zoom = 1;
    	if (opacity == null || opacity == 1) opacity = '';
    	else opacity = 'alpha(opacity=' + (opacity * 100).limit(0, 100).round() + ')';
    	var filter = style.filter || element.getComputedStyle('filter') || '';
    	style.filter = reAlpha.test(filter) ? filter.replace(reAlpha, opacity) : filter + opacity;
    	if (!style.filter) style.removeAttribute('filter');
    } : setVisibility));
    
    var getOpacity = (hasOpacity ? function(element){
    	var opacity = element.style.opacity || element.getComputedStyle('opacity');
    	return (opacity == '') ? 1 : opacity.toFloat();
    } : (hasFilter ? function(element){
    	var filter = (element.style.filter || element.getComputedStyle('filter')),
    		opacity;
    	if (filter) opacity = filter.match(reAlpha);
    	return (opacity == null || filter == null) ? 1 : (opacity[1] / 100);
    } : function(element){
    	var opacity = element.retrieve('$opacity');
    	if (opacity == null) opacity = (element.style.visibility == 'hidden' ? 0 : 1);
    	return opacity;
    }));
    
    var floatName = (html.style.cssFloat == null) ? 'styleFloat' : 'cssFloat';
    
    Element.implement({
    
    	getComputedStyle: function(property){
    		if (this.currentStyle) return this.currentStyle[property.camelCase()];
    		var defaultView = Element.getDocument(this).defaultView,
    			computed = defaultView ? defaultView.getComputedStyle(this, null) : null;
    		return (computed) ? computed.getPropertyValue((property == floatName) ? 'float' : property.hyphenate()) : null;
    	},
    
    	setStyle: function(property, value){
    		if (property == 'opacity'){
    			if (value != null) value = parseFloat(value);
    			setOpacity(this, value);
    			return this;
    		}
    		property = (property == 'float' ? floatName : property).camelCase();
    		if (typeOf(value) != 'string'){
    			var map = (Element.Styles[property] || '@').split(' ');
    			value = Array.from(value).map(function(val, i){
    				if (!map[i]) return '';
    				return (typeOf(val) == 'number') ? map[i].replace('@', Math.round(val)) : val;
    			}).join(' ');
    		} else if (value == String(Number(value))){
    			value = Math.round(value);
    		}
    		this.style[property] = value;
    		//<ltIE9>
    		if ((value == '' || value == null) && doesNotRemoveStyles && this.style.removeAttribute){
    			this.style.removeAttribute(property);
    		}
    		//</ltIE9>
    		return this;
    	},
    
    	getStyle: function(property){
    		if (property == 'opacity') return getOpacity(this);
    		property = (property == 'float' ? floatName : property).camelCase();
    		var result = this.style[property];
    		if (!result || property == 'zIndex'){
    			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.opera || Browser.ie){
    			if ((/^(height|width)$/).test(property) && !(/px$/.test(result))){
    				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.ie && (/^border(.+)Width|margin|padding/).test(property) && isNaN(parseFloat(result))){
    				return '0px';
    			}
    		}
    		return result;
    	},
    
    	setStyles: function(styles){
    		for (var style in styles) this.setStyle(style, styles[style]);
    		return this;
    	},
    
    	getStyles: function(){
    		var result = {};
    		Array.flatten(arguments).each(function(key){
    			result[key] = this.getStyle(key);
    		}, this);
    		return result;
    	}
    
    });
    
    Element.Styles = {
    	left: '@px', top: '@px', bottom: '@px', right: '@px',
    	 '@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: '@'
    };
    
    //<1.3compat>
    
    Element.implement({
    
    	setOpacity: function(value){
    		setOpacity(this, value);
    		return this;
    	},
    
    	getOpacity: function(){
    		return getOpacity(this);
    	}
    
    });
    
    Element.Properties.opacity = {
    
    	set: function(opacity){
    		setOpacity(this, opacity);
    		setVisibility(this, opacity);
    	},
    
    	get: function(){
    		return getOpacity(this);
    	}
    
    };
    
    //</1.3compat>
    
    //<1.2compat>
    
    Element.Styles = new Hash(Element.Styles);
    
    //</1.2compat>
    
    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(@, @, @)';
    });
    
    })();
    
    
    /*
    ---
    
    name: Element.Event
    
    description: Contains Element methods for dealing with events. This file also includes mouseenter and mouseleave custom Element Events, if necessary.
    
    license: MIT-style license.
    
    requires: [Element, Event]
    
    provides: Element.Event
    
    ...
    */
    
    (function(){
    
    Element.Properties.events = {set: function(events){
    	this.addEvents(events);
    }};
    
    [Element, Window, Document].invoke('implement', {
    
    	addEvent: function(type, fn){
    		var events = this.retrieve('events', {});
    		if (!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[type],
    			condition = fn,
    			self = this;
    		if (custom){
    			if (custom.onAdd) custom.onAdd.call(this, fn, type);
    			if (custom.condition){
    				condition = function(event){
    					if (custom.condition.call(this, event, type)) return fn.call(this, event);
    					return true;
    				};
    			}
    			if (custom.base) realType = Function.from(custom.base).call(this, type);
    		}
    		var defn = function(){
    			return fn.call(self);
    		};
    		var nativeEvent = Element.NativeEvents[realType];
    		if (nativeEvent){
    			if (nativeEvent == 2){
    				defn = function(event){
    					event = new DOMEvent(event, self.getWindow());
    					if (condition.call(self, event) === false) event.stop();
    				};
    			}
    			this.addListener(realType, defn, arguments[2]);
    		}
    		events[type].values.push(defn);
    		return this;
    	},
    
    	removeEvent: function(type, fn){
    		var events = this.retrieve('events');
    		if (!events || !events[type]) return this;
    		var list = events[type];
    		var index = list.keys.indexOf(fn);
    		if (index == -1) return this;
    		var value = list.values[index];
    		delete list.keys[index];
    		delete list.values[index];
    		var custom = Element.Events[type];
    		if (custom){
    			if (custom.onRemove) custom.onRemove.call(this, fn, type);
    			if (custom.base) type = Function.from(custom.base).call(this, type);
    		}
    		return (Element.NativeEvents[type]) ? this.removeListener(type, value, arguments[2]) : this;
    	},
    
    	addEvents: function(events){
    		for (var event in events) this.addEvent(event, events[event]);
    		return this;
    	},
    
    	removeEvents: function(events){
    		var type;
    		if (typeOf(events) == 'object'){
    			for (type in events) this.removeEvent(type, events[type]);
    			return this;
    		}
    		var attached = this.retrieve('events');
    		if (!attached) return this;
    		if (!events){
    			for (type in attached) this.removeEvents(type);
    			this.eliminate('events');
    		} else if (attached[events]){
    			attached[events].keys.each(function(fn){
    				this.removeEvent(events, fn);
    			}, this);
    			delete attached[events];
    		}
    		return this;
    	},
    
    	fireEvent: function(type, args, delay){
    		var events = this.retrieve('events');
    		if (!events || !events[type]) return this;
    		args = Array.from(args);
    
    		events[type].keys.each(function(fn){
    			if (delay) fn.delay(delay, this, args);
    			else fn.apply(this, args);
    		}, this);
    		return this;
    	},
    
    	cloneEvents: function(from, type){
    		from = document.id(from);
    		var events = from.retrieve('events');
    		if (!events) return this;
    		if (!type){
    			for (var eventType in events) this.cloneEvents(from, eventType);
    		} else if (events[type]){
    			events[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
    	orientationchange: 2, // mobile
    	touchstart: 2, touchmove: 2, touchend: 2, touchcancel: 2, // touch
    	gesturestart: 2, gesturechange: 2, gestureend: 2, // gesture
    	focus: 2, blur: 2, change: 2, reset: 2, select: 2, submit: 2, paste: 2, input: 2, //form elements
    	load: 2, unload: 1, beforeunload: 2, resize: 1, move: 1, DOMContentLoaded: 1, readystatechange: 1, //window
    	error: 1, abort: 1, scroll: 1 //misc
    };
    
    Element.Events = {mousewheel: {
    	base: (Browser.firefox) ? 'DOMMouseScroll' : 'mousewheel'
    }};
    
    if ('onmouseenter' in document.documentElement){
    	Element.NativeEvents.mouseenter = Element.NativeEvents.mouseleave = 2;
    } else {
    	var check = function(event){
    		var related = event.relatedTarget;
    		if (related == null) return true;
    		if (!related) return false;
    		return (related != this && related.prefix != 'xul' && typeOf(this) != 'document' && !this.contains(related));
    	};
    
    	Element.Events.mouseenter = {
    		base: 'mouseover',
    		condition: check
    	};
    
    	Element.Events.mouseleave = {
    		base: 'mouseout',
    		condition: check
    	};
    }
    
    /*<ltIE9>*/
    if (!window.addEventListener){
    	Element.NativeEvents.propertychange = 2;
    	Element.Events.change = {
    		base: function(){
    			var type = this.type;
    			return (this.get('tag') == 'input' && (type == 'radio' || type == 'checkbox')) ? 'propertychange' : 'change'
    		},
    		condition: function(event){
    			return this.type != 'radio' || (event.event.propertyName == 'checked' && this.checked);
    		}
    	}
    }
    /*</ltIE9>*/
    
    //<1.2compat>
    
    Element.Events = new Hash(Element.Events);
    
    //</1.2compat>
    
    })();
    
    
    /*
    ---
    
    name: Element.Delegation
    
    description: Extends the Element native object to include the delegate method for more efficient event management.
    
    license: MIT-style license.
    
    requires: [Element.Event]
    
    provides: [Element.Delegation]
    
    ...
    */
    
    (function(){
    
    var eventListenerSupport = !!window.addEventListener;
    
    Element.NativeEvents.focusin = Element.NativeEvents.focusout = 2;
    
    var bubbleUp = function(self, match, fn, event, target){
    	while (target && target != self){
    		if (match(target, event)) return fn.call(target, event, target);
    		target = document.id(target.parentNode);
    	}
    };
    
    var map = {
    	mouseenter: {
    		base: 'mouseover'
    	},
    	mouseleave: {
    		base: 'mouseout'
    	},
    	focus: {
    		base: 'focus' + (eventListenerSupport ? '' : 'in'),
    		capture: true
    	},
    	blur: {
    		base: eventListenerSupport ? 'blur' : 'focusout',
    		capture: true
    	}
    };
    
    /*<ltIE9>*/
    var _key = '$delegation:';
    var formObserver = function(type){
    
    	return {
    
    		base: 'focusin',
    
    		remove: function(self, uid){
    			var list = self.retrieve(_key + type + 'listeners', {})[uid];
    			if (list && list.forms) for (var i = list.forms.length; i--;){
    				list.forms[i].removeEvent(type, list.fns[i]);
    			}
    		},
    
    		listen: function(self, match, fn, event, target, uid){
    			var form = (target.get('tag') == 'form') ? target : event.target.getParent('form');
    			if (!form) return;
    
    			var listeners = self.retrieve(_key + type + 'listeners', {}),
    				listener = listeners[uid] || {forms: [], fns: []},
    				forms = listener.forms, fns = listener.fns;
    
    			if (forms.indexOf(form) != -1) return;
    			forms.push(form);
    
    			var _fn = function(event){
    				bubbleUp(self, match, fn, event, target);
    			};
    			form.addEvent(type, _fn);
    			fns.push(_fn);
    
    			listeners[uid] = listener;
    			self.store(_key + type + 'listeners', listeners);
    		}
    	};
    };
    
    var inputObserver = function(type){
    	return {
    		base: 'focusin',
    		listen: function(self, match, fn, event, target){
    			var events = {blur: function(){
    				this.removeEvents(events);
    			}};
    			events[type] = function(event){
    				bubbleUp(self, match, fn, event, target);
    			};
    			event.target.addEvents(events);
    		}
    	};
    };
    
    if (!eventListenerSupport) Object.append(map, {
    	submit: formObserver('submit'),
    	reset: formObserver('reset'),
    	change: inputObserver('change'),
    	select: inputObserver('select')
    });
    /*</ltIE9>*/
    
    var proto = Element.prototype,
    	addEvent = proto.addEvent,
    	removeEvent = proto.removeEvent;
    
    var relay = function(old, method){
    	return function(type, fn, useCapture){
    		if (type.indexOf(':relay') == -1) return old.call(this, type, fn, useCapture);
    		var parsed = Slick.parse(type).expressions[0][0];
    		if (parsed.pseudos[0].key != 'relay') return old.call(this, type, fn, useCapture);
    		var newType = parsed.tag;
    		parsed.pseudos.slice(1).each(function(pseudo){
    			newType += ':' + pseudo.key + (pseudo.value ? '(' + pseudo.value + ')' : '');
    		});
    		old.call(this, type, fn);
    		return method.call(this, newType, parsed.pseudos[0].value, fn);
    	};
    };
    
    var delegation = {
    
    	addEvent: function(type, match, fn){
    		var storage = this.retrieve('$delegates', {}), stored = storage[type];
    		if (stored) for (var _uid in stored){
    			if (stored[_uid].fn == fn && stored[_uid].match == match) return this;
    		}
    
    		var _type = type, _match = match, _fn = fn, _map = map[type] || {};
    		type = _map.base || _type;
    
    		match = function(target){
    			return Slick.match(target, _match);
    		};
    
    		var elementEvent = Element.Events[_type];
    		if (elementEvent && elementEvent.condition){
    			var __match = match, condition = elementEvent.condition;
    			match = function(target, event){
    				return __match(target, event) && condition.call(target, event, type);
    			};
    		}
    
    		var self = this, uid = String.uniqueID();
    		var delegator = _map.listen ? function(event, target){
    			if (!target && event && event.target) target = event.target;
    			if (target) _map.listen(self, match, fn, event, target, uid);
    		} : function(event, target){
    			if (!target && event && event.target) target = event.target;
    			if (target) bubbleUp(self, match, fn, event, target);
    		};
    
    		if (!stored) stored = {};
    		stored[uid] = {
    			match: _match,
    			fn: _fn,
    			delegator: delegator
    		};
    		storage[_type] = stored;
    		return addEvent.call(this, type, delegator, _map.capture);
    	},
    
    	removeEvent: function(type, match, fn, _uid){
    		var storage = this.retrieve('$delegates', {}), stored = storage[type];
    		if (!stored) return this;
    
    		if (_uid){
    			var _type = type, delegator = stored[_uid].delegator, _map = map[type] || {};
    			type = _map.base || _type;
    			if (_map.remove) _map.remove(this, _uid);
    			delete stored[_uid];
    			storage[_type] = stored;
    			return removeEvent.call(this, type, delegator);
    		}
    
    		var __uid, s;
    		if (fn) for (__uid in stored){
    			s = stored[__uid];
    			if (s.match == match && s.fn == fn) return delegation.removeEvent.call(this, type, match, fn, __uid);
    		} else for (__uid in stored){
    			s = stored[__uid];
    			if (s.match == match) delegation.removeEvent.call(this, type, match, s.fn, __uid);
    		}
    		return this;
    	}
    
    };
    
    [Element, Window, Document].invoke('implement', {
    	addEvent: relay(addEvent, delegation.addEvent),
    	removeEvent: relay(removeEvent, delegation.removeEvent)
    });
    
    })();
    
    
    /*
    ---
    
    name: Element.Dimensions
    
    description: 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).
    
    requires: [Element, Element.Style]
    
    provides: [Element.Dimensions]
    
    ...
    */
    
    (function(){
    
    var element = document.createElement('div'),
    	child = document.createElement('div');
    element.style.height = '0';
    element.appendChild(child);
    var brokenOffsetParent = (child.offsetParent === element);
    element = child = null;
    
    var isOffset = function(el){
    	return styleString(el, 'position') != 'static' || isBody(el);
    };
    
    var isOffsetStatic = function(el){
    	return isOffset(el) || (/^(?:table|td|th)$/i).test(el.tagName);
    };
    
    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.parentNode, position = {x: 0, y: 0};
    		while (element && !isBody(element)){
    			position.x += element.scrollLeft;
    			position.y += element.scrollTop;
    			element = element.parentNode;
    		}
    		return position;
    	},
    
    	getOffsetParent: brokenOffsetParent ? function(){
    		var element = this;
    		if (isBody(element) || styleString(element, 'position') == 'fixed') return null;
    
    		var isOffsetCheck = (styleString(element, 'position') == 'static') ? isOffsetStatic : isOffset;
    		while ((element = element.parentNode)){
    			if (isOffsetCheck(element)) return element;
    		}
    		return null;
    	} : function(){
    		var element = this;
    		if (isBody(element) || styleString(element, 'position') == 'fixed') return null;
    
    		try {
    			return element.offsetParent;
    		} catch(e) {}
    		return null;
    	},
    
    	getOffsets: function(){
    		if (this.getBoundingClientRect && !Browser.Platform.ios){
    			var bound = this.getBoundingClientRect(),
    				html = document.id(this.getDocument().documentElement),
    				htmlScroll = html.getScroll(),
    				elemScrolls = this.getScrolls(),
    				isFixed = (styleString(this, 'position') == 'fixed');
    
    			return {
    				x: bound.left.toInt() + elemScrolls.x + ((isFixed) ? 0 : htmlScroll.x) - html.clientLeft,
    				y: bound.top.toInt()  + elemScrolls.y + ((isFixed) ? 0 : htmlScroll.y) - html.clientTop
    			};
    		}
    
    		var element = this, position = {x: 0, y: 0};
    		if (isBody(this)) return position;
    
    		while (element && !isBody(element)){
    			position.x += element.offsetLeft;
    			position.y += element.offsetTop;
    
    			if (Browser.firefox){
    				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.safari){
    				position.x += leftBorder(element);
    				position.y += topBorder(element);
    			}
    
    			element = element.offsetParent;
    		}
    		if (Browser.firefox && !borderBox(this)){
    			position.x -= leftBorder(this);
    			position.y -= topBorder(this);
    		}
    		return position;
    	},
    
    	getPosition: function(relative){
    		var offset = this.getOffsets(),
    			scroll = this.getScrolls();
    		var position = {
    			x: offset.x - scroll.x,
    			y: offset.y - scroll.y
    		};
    
    		if (relative && (relative = document.id(relative))){
    			var relativePosition = relative.getPosition();
    			return {x: position.x - relativePosition.x - leftBorder(relative), y: position.y - relativePosition.y - topBorder(relative)};
    		}
    		return position;
    	},
    
    	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,
    			 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')
    		};
    	},
    
    	setPosition: function(obj){
    		return this.setStyles(this.computePosition(obj));
    	}
    
    });
    
    
    [Document, Window].invoke('implement', {
    
    	getSize: function(){
    		var doc = getCompatElement(this);
    		return {x: doc.clientWidth, y: doc.clientHeight};
    	},
    
    	getScroll: function(){
    		var win = this.getWindow(), doc = getCompatElement(this);
    		return {x: win.pageXOffset || doc.scrollLeft, y: win.pageYOffset || doc.scrollTop};
    	},
    
    	getScrollSize: function(){
    		var doc = getCompatElement(this),
    			min = this.getSize(),
    			body = this.getDocument().body;
    
    		return {x: Math.max(doc.scrollWidth, body.scrollWidth, min.x), y: Math.max(doc.scrollHeight, body.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,  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
    Element.alias({position: 'setPosition'}); //compatability
    
    [Window, Document, Element].invoke('implement', {
    
    	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;
    	}
    
    });
    
    
    /*
    ---
    
    name: Fx
    
    description: Contains the basic animation logic to be extended by all other Fx Classes.
    
    license: MIT-style license.
    
    requires: [Chain, Events, Options]
    
    provides: Fx
    
    ...
    */
    
    (function(){
    
    var Fx = this.Fx = new Class({
    
    	Implements: [Chain, Events, Options],
    
    	options: {
    		/*
    		onStart: nil,
    		onCancel: nil,
    		onComplete: nil,
    		*/
    		fps: 60,
    		unit: false,
    		duration: 500,
    		frames: null,
    		frameSkip: true,
    		link: 'ignore'
    	},
    
    	initialize: function(options){
    		this.subject = this.subject || this;
    		this.setOptions(options);
    	},
    
    	getTransition: function(){
    		return function(p){
    			return -(Math.cos(Math.PI * p) - 1) / 2;
    		};
    	},
    
    	step: function(now){
    		if (this.options.frameSkip){
    			var diff = (this.time != null) ? (now - this.time) : 0, frames = diff / this.frameInterval;
    			this.time = now;
    			this.frame += frames;
    		} else {
    			this.frame++;
    		}
    
    		if (this.frame < this.frames){
    			var delta = this.transition(this.frame / this.frames);
    			this.set(this.compute(this.from, this.to, delta));
    		} else {
    			this.frame = this.frames;
    			this.set(this.compute(this.from, this.to, 1));
    			this.stop();
    		}
    	},
    
    	set: function(now){
    		return now;
    	},
    
    	compute: function(from, to, delta){
    		return Fx.compute(from, to, delta);
    	},
    
    	check: function(){
    		if (!this.isRunning()) return true;
    		switch (this.options.link){
    			case 'cancel': this.cancel(); return true;
    			case 'chain': this.chain(this.caller.pass(arguments, this)); return false;
    		}
    		return false;
    	},
    
    	start: function(from, to){
    		if (!this.check(from, to)) return this;
    		this.from = from;
    		this.to = to;
    		this.frame = (this.options.frameSkip) ? 0 : -1;
    		this.time = null;
    		this.transition = this.getTransition();
    		var frames = this.options.frames, fps = this.options.fps, duration = this.options.duration;
    		this.duration = Fx.Durations[duration] || duration.toInt();
    		this.frameInterval = 1000 / fps;
    		this.frames = frames || Math.round(this.duration / this.frameInterval);
    		this.fireEvent('start', this.subject);
    		pushInstance.call(this, fps);
    		return this;
    	},
    
    	stop: function(){
    		if (this.isRunning()){
    			this.time = null;
    			pullInstance.call(this, this.options.fps);
    			if (this.frames == this.frame){
    				this.fireEvent('complete', this.subject);
    				if (!this.callChain()) this.fireEvent('chainComplete', this.subject);
    			} else {
    				this.fireEvent('stop', this.subject);
    			}
    		}
    		return this;
    	},
    
    	cancel: function(){
    		if (this.isRunning()){
    			this.time = null;
    			pullInstance.call(this, this.options.fps);
    			this.frame = this.frames;
    			this.fireEvent('cancel', this.subject).clearChain();
    		}
    		return this;
    	},
    
    	pause: function(){
    		if (this.isRunning()){
    			this.time = null;
    			pullInstance.call(this, this.options.fps);
    		}
    		return this;
    	},
    
    	resume: function(){
    		if ((this.frame < this.frames) && !this.isRunning()) pushInstance.call(this, this.options.fps);
    		return this;
    	},
    
    	isRunning: function(){
    		var list = instances[this.options.fps];
    		return list && list.contains(this);
    	}
    
    });
    
    Fx.compute = function(from, to, delta){
    	return (to - from) * delta + from;
    };
    
    Fx.Durations = {'short': 250, 'normal': 500, 'long': 1000};
    
    // global timers
    
    var instances = {}, timers = {};
    
    var loop = function(){
    	var now = Date.now();
    	for (var i = this.length; i--;){
    		var instance = this[i];
    		if (instance) instance.step(now);
    	}
    };
    
    var pushInstance = function(fps){
    	var list = instances[fps] || (instances[fps] = []);
    	list.push(this);
    	if (!timers[fps]) timers[fps] = loop.periodical(Math.round(1000 / fps), list);
    };
    
    var pullInstance = function(fps){
    	var list = instances[fps];
    	if (list){
    		list.erase(this);
    		if (!list.length && timers[fps]){
    			delete instances[fps];
    			timers[fps] = clearInterval(timers[fps]);
    		}
    	}
    };
    
    })();
    
    
    /*
    ---
    
    name: Fx.CSS
    
    description: Contains the CSS animation logic. Used by Fx.Tween, Fx.Morph, Fx.Elements.
    
    license: MIT-style license.
    
    requires: [Fx, Element.Style]
    
    provides: Fx.CSS
    
    ...
    */
    
    Fx.CSS = new Class({
    
    	Extends: Fx,
    
    	//prepares the base from/to object
    
    	prepare: function(element, property, values){
    		values = Array.from(values);
    		var from = values[0], to = values[1];
    		if (to == null){
    			to = from;
    			from = element.getStyle(property);
    			var unit = this.options.unit;
    			// adapted from: https://github.com/ryanmorr/fx/blob/master/fx.js#L299
    			if (unit && from.slice(-unit.length) != unit && parseFloat(from) != 0){
    				element.setStyle(property, to + unit);
    				var value = element.getComputedStyle(property);
    				// IE and Opera support pixelLeft or pixelWidth
    				if (!(/px$/.test(value))){
    					value = element.style[('pixel-' + property).camelCase()];
    					if (value == null){
    						// adapted from Dean Edwards' http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
    						var left = element.style.left;
    						element.style.left = to + unit;
    						value = element.style.pixelLeft;
    						element.style.left = left;
    					}
    				}
    				from = (to || 1) / (parseFloat(value) || 1) * (parseFloat(from) || 0);
    				element.setStyle(property, from + unit);
    			}
    		}
    		return {from: this.parse(from), to: this.parse(to)};
    	},
    
    	//parses a value into an array
    
    	parse: function(value){
    		value = Function.from(value)();
    		value = (typeof value == 'string') ? value.split(' ') : Array.from(value);
    		return value.map(function(val){
    			val = String(val);
    			var found = false;
    			Object.each(Fx.CSS.Parsers, function(parser, key){
    				if (found) return;
    				var parsed = parser.parse(val);
    				if (parsed || parsed === 0) 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 = Function.from('fx:css:value');
    		return computed;
    	},
    
    	//serves the value as settable
    
    	serve: function(value, unit){
    		if (typeOf(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 = {}, selectorTest = new RegExp('^' + selector.escapeRegExp() + '$');
    		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 || !selectorTest.test(selectorText)) return;
    				Object.each(Element.Styles, function(value, style){
    					if (!rule.style[style] || Element.ShortStyles[style]) return;
    					value = String(rule.style[style]);
    					to[style] = ((/^rgb/).test(value)) ? value.rgbToHex() : value;
    				});
    			});
    		});
    		return Fx.CSS.Cache[selector] = to;
    	}
    
    });
    
    Fx.CSS.Cache = {};
    
    Fx.CSS.Parsers = {
    
    	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: Function.from(false),
    		compute: function(zero, one){
    			return one;
    		},
    		serve: function(zero){
    			return zero;
    		}
    	}
    
    };
    
    //<1.2compat>
    
    Fx.CSS.Parsers = new Hash(Fx.CSS.Parsers);
    
    //</1.2compat>
    
    
    /*
    ---
    
    name: Fx.Tween
    
    description: Formerly Fx.Style, effect to transition any CSS property for an element.
    
    license: MIT-style license.
    
    requires: Fx.CSS
    
    provides: [Fx.Tween, Element.fade, Element.highlight]
    
    ...
    */
    
    Fx.Tween = new Class({
    
    	Extends: Fx.CSS,
    
    	initialize: function(element, options){
    		this.element = this.subject = document.id(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(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){
    		this.get('tween').cancel().setOptions(options);
    		return this;
    	},
    
    	get: function(){
    		var tween = this.retrieve('tween');
    		if (!tween){
    			tween = new Fx.Tween(this, {link: 'cancel'});
    			this.store('tween', tween);
    		}
    		return tween;
    	}
    
    };
    
    Element.implement({
    
    	tween: function(property, from, to){
    		this.get('tween').start(property, from, to);
    		return this;
    	},
    
    	fade: function(how){
    		var fade = this.get('tween'), method, args = ['opacity'].append(arguments), toggle;
    		if (args[1] == null) args[1] = 'toggle';
    		switch (args[1]){
    			case 'in': method = 'start'; args[1] = 1; break;
    			case 'out': method = 'start'; args[1] = 0; break;
    			case 'show': method = 'set'; args[1] = 1; break;
    			case 'hide': method = 'set'; args[1] = 0; break;
    			case 'toggle':
    				var flag = this.retrieve('fade:flag', this.getStyle('opacity') == 1);
    				method = 'start';
    				args[1] = flag ? 0 : 1;
    				this.store('fade:flag', !flag);
    				toggle = true;
    			break;
    			default: method = 'start';
    		}
    		if (!toggle) this.eliminate('fade:flag');
    		fade[method].apply(fade, args);
    		var to = args[args.length - 1];
    		if (method == 'set' || to != 0) this.setStyle('visibility', to == 0 ? 'hidden' : 'visible');
    		else fade.chain(function(){
    			this.element.setStyle('visibility', 'hidden');
    			this.callChain();
    		});
    		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;
    	}
    
    });
    
    
    /*
    ---
    
    name: Fx.Morph
    
    description: 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.
    
    requires: Fx.CSS
    
    provides: Fx.Morph
    
    ...
    */
    
    Fx.Morph = new Class({
    
    	Extends: Fx.CSS,
    
    	initialize: function(element, options){
    		this.element = this.subject = document.id(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(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){
    		this.get('morph').cancel().setOptions(options);
    		return this;
    	},
    
    	get: function(){
    		var morph = this.retrieve('morph');
    		if (!morph){
    			morph = new Fx.Morph(this, {link: 'cancel'});
    			this.store('morph', morph);
    		}
    		return morph;
    	}
    
    };
    
    Element.implement({
    
    	morph: function(props){
    		this.get('morph').start(props);
    		return this;
    	}
    
    });
    
    
    /*
    ---
    
    name: Fx.Transitions
    
    description: 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.
    
    requires: Fx
    
    provides: Fx.Transitions
    
    ...
    */
    
    Fx.implement({
    
    	getTransition: function(){
    		var trans = this.options.transition || Fx.Transitions.Sine.easeInOut;
    		if (typeof trans == 'string'){
    			var data = trans.split(':');
    			trans = Fx.Transitions;
    			trans = trans[data[0]] || trans[data[0].capitalize()];
    			if (data[1]) trans = trans['ease' + data[1].capitalize() + (data[2] ? data[2].capitalize() : '')];
    		}
    		return trans;
    	}
    
    });
    
    Fx.Transition = function(transition, params){
    	params = Array.from(params);
    	var easeIn = function(pos){
    		return transition(pos, params);
    	};
    	return Object.append(easeIn, {
    		easeIn: easeIn,
    		easeOut: function(pos){
    			return 1 - transition(1 - pos, params);
    		},
    		easeInOut: function(pos){
    			return (pos <= 0.5 ? transition(2 * pos, params) : (2 - transition(2 * (1 - pos), params))) / 2;
    		}
    	});
    };
    
    Fx.Transitions = {
    
    	linear: function(zero){
    		return zero;
    	}
    
    };
    
    //<1.2compat>
    
    Fx.Transitions = new Hash(Fx.Transitions);
    
    //</1.2compat>
    
    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 && 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.cos(p * Math.PI / 2);
    	},
    
    	Back: function(p, x){
    		x = x && x[0] || 1.618;
    		return Math.pow(p, 2) * ((x + 1) * p - x);
    	},
    
    	Bounce: function(p){
    		var value;
    		for (var a = 0, b = 1; 1; a += b, b /= 2){
    			if (p >= (7 - 4 * a) / 11){
    				value = b * b - Math.pow((11 - 6 * a - 11 * p) / 4, 2);
    				break;
    			}
    		}
    		return value;
    	},
    
    	Elastic: function(p, x){
    		return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x && 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);
    	});
    });
    
    
    /*
    ---
    
    name: Request
    
    description: Powerful all purpose Request Class. Uses XMLHTTPRequest.
    
    license: MIT-style license.
    
    requires: [Object, Element, Chain, Events, Options, Browser]
    
    provides: Request
    
    ...
    */
    
    (function(){
    
    var empty = function(){},
    	progressSupport = ('onprogress' in new Browser.Request);
    
    var Request = this.Request = new Class({
    
    	Implements: [Chain, Events, Options],
    
    	options: {/*
    		onRequest: function(){},
    		onLoadstart: function(event, xhr){},
    		onProgress: function(event, xhr){},
    		onComplete: function(){},
    		onCancel: function(){},
    		onSuccess: function(responseText, responseXML){},
    		onFailure: function(xhr){},
    		onException: function(headerName, value){},
    		onTimeout: function(){},
    		user: '',
    		password: '',*/
    		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,
    		timeout: 0,
    		noCache: false
    	},
    
    	initialize: function(options){
    		this.xhr = new Browser.Request();
    		this.setOptions(options);
    		this.headers = this.options.headers;
    	},
    
    	onStateChange: function(){
    		var xhr = this.xhr;
    		if (xhr.readyState != 4 || !this.running) return;
    		this.running = false;
    		this.status = 0;
    		Function.attempt(function(){
    			var status = xhr.status;
    			this.status = (status == 1223) ? 204 : status;
    		}.bind(this));
    		xhr.onreadystatechange = empty;
    		if (progressSupport) xhr.onprogress = xhr.onloadstart = empty;
    		clearTimeout(this.timer);
    
    		this.response = {text: this.xhr.responseText || '', xml: this.xhr.responseXML};
    		if (this.options.isSuccess.call(this, this.status))
    			this.success(this.response.text, this.response.xml);
    		else
    			this.failure();
    	},
    
    	isSuccess: function(){
    		var status = this.status;
    		return (status >= 200 && status < 300);
    	},
    
    	isRunning: function(){
    		return !!this.running;
    	},
    
    	processScripts: function(text){
    		if (this.options.evalResponse || (/(ecma|java)script/).test(this.getHeader('Content-type'))) return Browser.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);
    	},
    
    	loadstart: function(event){
    		this.fireEvent('loadstart', [event, this.xhr]);
    	},
    
    	progress: function(event){
    		this.fireEvent('progress', [event, this.xhr]);
    	},
    
    	timeout: function(){
    		this.fireEvent('timeout', this.xhr);
    	},
    
    	setHeader: function(name, value){
    		this.headers[name] = value;
    		return this;
    	},
    
    	getHeader: function(name){
    		return Function.attempt(function(){
    			return this.xhr.getResponseHeader(name);
    		}.bind(this));
    	},
    
    	check: function(){
    		if (!this.running) return true;
    		switch (this.options.link){
    			case 'cancel': this.cancel(); return true;
    			case 'chain': this.chain(this.caller.pass(arguments, this)); return false;
    		}
    		return false;
    	},
    
    	send: function(options){
    		if (!this.check(options)) return this;
    
    		this.options.isSuccess = this.options.isSuccess || this.isSuccess;
    		this.running = true;
    
    		var type = typeOf(options);
    		if (type == 'string' || type == 'element') options = {data: options};
    
    		var old = this.options;
    		options = Object.append({data: old.data, url: old.url, method: old.method}, options);
    		var data = options.data, url = String(options.url), method = options.method.toLowerCase();
    
    		switch (typeOf(data)){
    			case 'element': data = document.id(data).toQueryString(); break;
    			case 'object': case 'hash': data = Object.toQueryString(data);
    		}
    
    		if (this.options.format){
    			var format = 'format=' + this.options.format;
    			data = (data) ? format + '&' + data : format;
    		}
    
    		if (this.options.emulation && !['get', 'post'].contains(method)){
    			var _method = '_method=' + method;
    			data = (data) ? _method + '&' + data : _method;
    			method = 'post';
    		}
    
    		if (this.options.urlEncoded && ['post', 'put'].contains(method)){
    			var encoding = (this.options.encoding) ? '; charset=' + this.options.encoding : '';
    			this.headers['Content-type'] = 'application/x-www-form-urlencoded' + encoding;
    		}
    
    		if (!url) url = document.location.pathname;
    
    		var trimPosition = url.lastIndexOf('/');
    		if (trimPosition > -1 && (trimPosition = url.indexOf('#')) > -1) url = url.substr(0, trimPosition);
    
    		if (this.options.noCache)
    			url += (url.contains('?') ? '&' : '?') + String.uniqueID();
    
    		if (data && method == 'get'){
    			url += (url.contains('?') ? '&' : '?') + data;
    			data = null;
    		}
    
    		var xhr = this.xhr;
    		if (progressSupport){
    			xhr.onloadstart = this.loadstart.bind(this);
    			xhr.onprogress = this.progress.bind(this);
    		}
    
    		xhr.open(method.toUpperCase(), url, this.options.async, this.options.user, this.options.password);
    		if (this.options.user && 'withCredentials' in xhr) xhr.withCredentials = true;
    
    		xhr.onreadystatechange = this.onStateChange.bind(this);
    
    		Object.each(this.headers, function(value, key){
    			try {
    				xhr.setRequestHeader(key, value);
    			} catch (e){
    				this.fireEvent('exception', [key, value]);
    			}
    		}, this);
    
    		this.fireEvent('request');
    		xhr.send(data);
    		if (!this.options.async) this.onStateChange();
    		else if (this.options.timeout) this.timer = this.timeout.delay(this.options.timeout, this);
    		return this;
    	},
    
    	cancel: function(){
    		if (!this.running) return this;
    		this.running = false;
    		var xhr = this.xhr;
    		xhr.abort();
    		clearTimeout(this.timer);
    		xhr.onreadystatechange = empty;
    		if (progressSupport) xhr.onprogress = xhr.onloadstart = empty;
    		this.xhr = new Browser.Request();
    		this.fireEvent('cancel');
    		return this;
    	}
    
    });
    
    var methods = {};
    ['get', 'post', 'put', 'delete', 'GET', 'POST', 'PUT', 'DELETE'].each(function(method){
    	methods[method] = function(data){
    		var object = {
    			method: method
    		};
    		if (data != null) object.data = data;
    		return this.send(object);
    	};
    });
    
    Request.implement(methods);
    
    Element.Properties.send = {
    
    	set: function(options){
    		var send = this.get('send').cancel();
    		send.setOptions(options);
    		return this;
    	},
    
    	get: function(){
    		var send = this.retrieve('send');
    		if (!send){
    			send = new Request({
    				data: this, link: 'cancel', method: this.get('method') || 'post', url: this.get('action')
    			});
    			this.store('send', send);
    		}
    		return send;
    	}
    
    };
    
    Element.implement({
    
    	send: function(url){
    		var sender = this.get('send');
    		sender.send({data: this, url: url || sender.options.url});
    		return this;
    	}
    
    });
    
    })();
    
    
    /*
    ---
    
    name: Request.HTML
    
    description: Extends the basic Request Class with additional methods for interacting with HTML responses.
    
    license: MIT-style license.
    
    requires: [Element, Request]
    
    provides: Request.HTML
    
    ...
    */
    
    Request.HTML = new Class({
    
    	Extends: Request,
    
    	options: {
    		update: false,
    		append: false,
    		evalScripts: true,
    		filter: false,
    		headers: {
    			Accept: 'text/html, application/xml, text/xml, */*'
    		}
    	},
    
    	success: function(text){
    		var options = this.options, response = this.response;
    
    		response.html = text.stripScripts(function(script){
    			response.javascript = script;
    		});
    
    		var match = response.html.match(/<body[^>]*>([\s\S]*?)<\/body>/i);
    		if (match) response.html = match[1];
    		var temp = new Element('div').set('html', response.html);
    
    		response.tree = temp.childNodes;
    		response.elements = temp.getElements(options.filter || '*');
    
    		if (options.filter) response.tree = response.elements;
    		if (options.update){
    			var update = document.id(options.update).empty();
    			if (options.filter) update.adopt(response.elements);
    			else update.set('html', response.html);
    		} else if (options.append){
    			var append = document.id(options.append);
    			if (options.filter) response.elements.reverse().inject(append);
    			else append.adopt(temp.getChildren());
    		}
    		if (options.evalScripts) Browser.exec(response.javascript);
    
    		this.onSuccess(response.tree, response.elements, response.html, response.javascript);
    	}
    
    });
    
    Element.Properties.load = {
    
    	set: function(options){
    		var load = this.get('load').cancel();
    		load.setOptions(options);
    		return this;
    	},
    
    	get: function(){
    		var load = this.retrieve('load');
    		if (!load){
    			load = new Request.HTML({data: this, link: 'cancel', update: this, method: 'get'});
    			this.store('load', load);
    		}
    		return load;
    	}
    
    };
    
    Element.implement({
    
    	load: function(){
    		this.get('load').send(Array.link(arguments, {data: Type.isObject, url: Type.isString}));
    		return this;
    	}
    
    });
    
    
    /*
    ---
    
    name: JSON
    
    description: JSON encoder and decoder.
    
    license: MIT-style license.
    
    SeeAlso: <http://www.json.org/>
    
    requires: [Array, String, Number, Function]
    
    provides: JSON
    
    ...
    */
    
    if (typeof JSON == 'undefined') this.JSON = {};
    
    //<1.2compat>
    
    JSON = new Hash({
    	stringify: JSON.stringify,
    	parse: JSON.parse
    });
    
    //</1.2compat>
    
    (function(){
    
    var special = {'\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"' : '\\"', '\\': '\\\\'};
    
    var escape = function(chr){
    	return special[chr] || '\\u' + ('0000' + chr.charCodeAt(0).toString(16)).slice(-4);
    };
    
    JSON.validate = function(string){
    	string = string.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
    					replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
    					replace(/(?:^|:|,)(?:\s*\[)+/g, '');
    
    	return (/^[\],:{}\s]*$/).test(string);
    };
    
    JSON.encode = JSON.stringify ? function(obj){
    	return JSON.stringify(obj);
    } : function(obj){
    	if (obj && obj.toJSON) obj = obj.toJSON();
    
    	switch (typeOf(obj)){
    		case 'string':
    			return '"' + obj.replace(/[\x00-\x1f\\"]/g, escape) + '"';
    		case 'array':
    			return '[' + obj.map(JSON.encode).clean() + ']';
    		case 'object': case 'hash':
    			var string = [];
    			Object.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 '' + obj;
    		case 'null': return 'null';
    	}
    
    	return null;
    };
    
    JSON.decode = function(string, secure){
    	if (!string || typeOf(string) != 'string') return null;
    
    	if (secure || JSON.secure){
    		if (JSON.parse) return JSON.parse(string);
    		if (!JSON.validate(string)) throw new Error('JSON could not decode the input; security is enabled and the value is not secure.');
    	}
    
    	return eval('(' + string + ')');
    };
    
    })();
    
    
    /*
    ---
    
    name: Request.JSON
    
    description: Extends the basic Request Class with additional methods for sending and receiving JSON data.
    
    license: MIT-style license.
    
    requires: [Request, JSON]
    
    provides: Request.JSON
    
    ...
    */
    
    Request.JSON = new Class({
    
    	Extends: Request,
    
    	options: {
    		/*onError: function(text, error){},*/
    		secure: true
    	},
    
    	initialize: function(options){
    		this.parent(options);
    		Object.append(this.headers, {
    			'Accept': 'application/json',
    			'X-Request': 'JSON'
    		});
    	},
    
    	success: function(text){
    		var json;
    		try {
    			json = this.response.json = JSON.decode(text, this.options.secure);
    		} catch (error){
    			this.fireEvent('error', [text, error]);
    			return;
    		}
    		if (json == null) this.onFailure();
    		else this.onSuccess(json, text);
    	}
    
    });
    
    
    /*
    ---
    
    name: Cookie
    
    description: Class for creating, reading, and deleting browser Cookies.
    
    license: MIT-style license.
    
    credits:
      - Based on the functions by Peter-Paul Koch (http://quirksmode.org).
    
    requires: [Options, Browser]
    
    provides: Cookie
    
    ...
    */
    
    var Cookie = new Class({
    
    	Implements: Options,
    
    	options: {
    		path: '/',
    		domain: false,
    		duration: false,
    		secure: false,
    		document: document,
    		encode: true
    	},
    
    	initialize: function(key, options){
    		this.key = key;
    		this.setOptions(options);
    	},
    
    	write: function(value){
    		if (this.options.encode) 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, Object.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();
    };
    
    
    /*
    ---
    
    name: DOMReady
    
    description: Contains the custom event domready.
    
    license: MIT-style license.
    
    requires: [Browser, Element, Element.Event]
    
    provides: [DOMReady, DomReady]
    
    ...
    */
    
    (function(window, document){
    
    var ready,
    	loaded,
    	checks = [],
    	shouldPoll,
    	timer,
    	testElement = document.createElement('div');
    
    var domready = function(){
    	clearTimeout(timer);
    	if (ready) return;
    	Browser.loaded = ready = true;
    	document.removeListener('DOMContentLoaded', domready).removeListener('readystatechange', check);
    
    	document.fireEvent('domready');
    	window.fireEvent('domready');
    };
    
    var check = function(){
    	for (var i = checks.length; i--;) if (checks[i]()){
    		domready();
    		return true;
    	}
    	return false;
    };
    
    var poll = function(){
    	clearTimeout(timer);
    	if (!check()) timer = setTimeout(poll, 10);
    };
    
    document.addListener('DOMContentLoaded', domready);
    
    /*<ltIE8>*/
    // doScroll technique by Diego Perini http://javascript.nwbox.com/IEContentLoaded/
    // testElement.doScroll() throws when the DOM is not ready, only in the top window
    var doScrollWorks = function(){
    	try {
    		testElement.doScroll();
    		return true;
    	} catch (e){}
    	return false;
    };
    // If doScroll works already, it can't be used to determine domready
    //   e.g. in an iframe
    if (testElement.doScroll && !doScrollWorks()){
    	checks.push(doScrollWorks);
    	shouldPoll = true;
    }
    /*</ltIE8>*/
    
    if (document.readyState) checks.push(function(){
    	var state = document.readyState;
    	return (state == 'loaded' || state == 'complete');
    });
    
    if ('onreadystatechange' in document) document.addListener('readystatechange', check);
    else shouldPoll = true;
    
    if (shouldPoll) poll();
    
    Element.Events.domready = {
    	onAdd: function(fn){
    		if (ready) fn.call(this);
    	}
    };
    
    // Make sure that domready fires before load
    Element.Events.load = {
    	base: 'load',
    	onAdd: function(fn){
    		if (loaded && this == window) fn.call(this);
    	},
    	condition: function(){
    		if (this == window){
    			domready();
    			delete Element.Events.load;
    		}
    		return true;
    	}
    };
    
    // This is based on the custom load event
    window.addEvent('load', function(){
    	loaded = true;
    });
    
    })(window, document);
    
    
    /*
    ---
    
    name: Swiff
    
    description: Wrapper for embedding SWF movies. Supports External Interface Communication.
    
    license: MIT-style license.
    
    credits:
      - Flash detection & Internet Explorer + Flash Player 9 fix inspired by SWFObject.
    
    requires: [Options, Object, Element]
    
    provides: Swiff
    
    ...
    */
    
    (function(){
    
    var Swiff = this.Swiff = new Class({
    
    	Implements: Options,
    
    	options: {
    		id: null,
    		height: 1,
    		 1,
    		container: null,
    		properties: {},
    		params: {
    			quality: 'high',
    			allowScriptAccess: 'always',
    			wMode: 'window',
    			swLiveConnect: true
    		},
    		callBacks: {},
    		vars: {}
    	},
    
    	toElement: function(){
    		return this.object;
    	},
    
    	initialize: function(path, options){
    		this.instance = 'Swiff_' + String.uniqueID();
    
    		this.setOptions(options);
    		options = this.options;
    		var id = this.id = options.id || this.instance;
    		var container = document.id(options.container);
    
    		Swiff.CallBacks[this.instance] = {};
    
    		var params = options.params, vars = options.vars, callBacks = options.callBacks;
    		var properties = Object.append({height: options.height,  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 = Object.toQueryString(vars);
    		if (Browser.ie){
    			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 = document.id(element, true);
    		element.parentNode.replaceChild(this.toElement(), element);
    		return this;
    	},
    
    	inject: function(element){
    		document.id(element, true).appendChild(this.toElement());
    		return this;
    	},
    
    	remote: function(){
    		return Swiff.remote.apply(Swiff, [this.toElement()].append(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);
    };
    
    })();
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  • 原文地址:https://www.cnblogs.com/chyong168/p/2570294.html
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