/*
---

name: Core

description: The heart of MooTools.

license: MIT-style license.

copyright: Copyright (c) 2006-2010 [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]

...
*/

(function(){

this.MooTools = {
	version: '1.3dev',
	build: 'b50ae2809ce2163d1e9268198cfb795906555213'
};

// typeOf, instanceOf

var typeOf = this.typeOf = function(item){
	if (item == null) return 'null';
	if (item.$family) return item.$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;
	}
	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 (usePlural || typeof a != 'string') args = a;
		else if (arguments.length > 1) args = arguments;
		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

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 : Array.prototype.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 this;
	
	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, Array.prototype.slice.call(arguments, 1));
	});
	
	return this;
};

var extend = function(name, method){
	if (method && method.$hidden) return this;
	var previous = this[name];
	if (previous == null || !previous.$protected) this[name] = method;
	return this;
};

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, type, methods){
	var object = new Type(name, type),
		prototype = object.prototype;
	
	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 (proto){
			delete prototype[key];
			prototype[key] = proto.protect();
		}
	}
	
	object.implement(object.prototype);
	
	return force;
};

force('String', String, [
	'charAt', 'charCodeAt', 'concat', 'indexOf', 'lastIndexOf', 'match', 'quote', 'replace', 'search',
	'slice', 'split', 'substr', 'substring', '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'
])('RegExp', RegExp, ['exec', 'test'])('Date', Date, ['now']);

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

Object.extend('forEach', function(object, fn, bind){
	for (var key in object){
		if (object.hasOwnProperty(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);
});

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

(function(check){
	Array.type = function(item){
		return instanceOf(item, Array) || check(item);
	};
})(Array.type);

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') ? Array : Object).each(iterable, fn, bind);
};

this.$empty = function(){};

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

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({
	
	invoke: function(methodName){
		var args = Array.slice(arguments, 1);
		return this.map(function(item){
			return item[methodName].apply(item, args);
		});
	},

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

	clean: function(){
		return this.filter(function(item){
			return item != null;
		});
	},

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

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

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

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

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

	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 : this.indexOf(string) > -1;
	},

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

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

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

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

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

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

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

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

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

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

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

});


/*
---

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;
		}
	},

	bind: function(bind, args){
		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.bind(bind, args || []), delay);
	},

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

	periodical: function(periodical, bind, args){
		return setInterval(this.bind(bind, args || []), periodical);
	},

	run: function(args, bind){
		return this.apply(bind, Array.from(args));
	}

});

//<1.2compat>

Function.implement({

	create: function(options){
		var self = this;
		options = options || {};
		return function(event){
			var args = options.arguments;
			args = (args != undefined) ? 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();
		};
	},

	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));
		};
	}

});

var $try = Function.attempt;

//</1.2compat>


/*
---

name: Object

description: Object generic methods

license: MIT-style license.

requires: Type

provides: [Object, Hash]

...
*/


Object.extend({
	
	subset: function(object, keys){
		var results = {};
		for (var i = 0, l = keys.length; i < l; i++){
			var k = keys[i];
			results[k] = object[k];
		}
		return results;
	},
	
	map: function(object, fn, bind){
		var results = {};
		for (var key in object){
			if (object.hasOwnProperty(key)) results[key] = fn.call(bind, object[key], key, object);
		}
		return results;
	},
	
	filter: function(object, fn, bind){
		var results = {};
		Object.each(object, function(value, key){
			if (fn.call(bind, value, key, object)) results[key] = value;
		});
		return results;
	},
	
	every: function(object, fn, bind){
		for (var key in object){
			if (object.hasOwnProperty(key) && !fn.call(bind, object[key], key)) return false;
		}
		return true;
	},
	
	some: function(object, fn, bind){
		for (var key in object){
			if (object.hasOwnProperty(key) && fn.call(bind, object[key], key)) return true;
		}
		return false;
	},
	
	keys: function(object){
		var keys = [];
		for (var key in object){
			if (object.hasOwnProperty(key)) keys.push(key);
		}
		return keys;
	},
	
	values: function(object){
		var values = [];
		for (var key in object){
			if (object.hasOwnProperty(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 (object.hasOwnProperty(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 != undefined) 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] == undefined) 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.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 UID = 1;

this.$uid = (window.ActiveXObject) ? function(item){
	return (item.uid || (item.uid = [UID++]))[0];
} : function(item){
	return item.uid || (item.uid = UID++);
};

$uid(window);
$uid(document);

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];

var Browser = this.Browser = {
	
	extend: Function.prototype.extend,
	
	name: (UA[1] == 'version') ? UA[3] : UA[1],

	version: 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

Browser.Plugins.Flash = (function(){
	var version = (Function.attempt(function(){
		return navigator.plugins['Shockwave Flash'].description;
	}, function(){
		return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
	}) || '0 r0').match(/\d+/g);
	return {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(){
		scripts += arguments[1] + '\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;
document.head = document.getElementsByTagName('head')[0];

if (document.execCommand) try {
	document.execCommand("BackgroundImageCache", false, true);
} catch (e){}

var unloadEvent = function(){
	this.detachEvent('onunload', unloadEvent);
	document.head = document.html = document.window = null;
};
if (this.attachEvent) 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);
	};
	
	['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice'].each(function(name){
		var method = Array.prototype[name];
		Array[name] = function(item){
			return method.apply(Array.from(item), Array.prototype.slice.call(arguments, 1));
		};
	});
}

//<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.konqueror){
	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 ((navigator.userAgent.toLowerCase().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 Class, to make the event object cross-browser.

license: MIT-style license.

requires: [Window, Document, Array, Function, String]

provides: Event

...
*/

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

	if (type.test(/key/)){
		var code = event.which || event.keyCode;
		var key = Event.Keys.keyOf(code);
		if (type == 'keydown'){
			var fKey = code - 111;
			if (fKey > 0 && fKey < 13) key = 'f' + fKey;
		}
		key = key || String.fromCharCode(code).toLowerCase();
	} else if (type.test(/click|mouse|menu/i)){
		doc = (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
		var page = {
			x: (event.pageX != null) ? event.pageX : event.clientX + doc.scrollLeft,
			y: (event.pageY != null) ? event.pageY : event.clientY + doc.scrollTop
		};
		var client = {
			x: (event.pageX != null) ? event.pageX - win.pageXOffset : event.clientX,
			y: (event.pageY != null) ? event.pageY - win.pageYOffset : event.clientY
		};
		if (type.test(/DOMMouseScroll|mousewheel/)){
			var wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;
		}
		var rightClick = (event.which == 3) || (event.button == 2);
		var related = null;
		if (type.test(/over|out/)){
			switch (type){
				case 'mouseover': related = event.relatedTarget || event.fromElement; break;
				case 'mouseout': related = event.relatedTarget || event.toElement;
			}
			var testRelated = function(){
				while (related && related.nodeType == 3) related = related.parentNode;
				return true;
			};
			var hasRelated = (Browser.firefox2) ? testRelated.attempt() : testRelated();
			related = (hasRelated) ? related : null;
		}
	}

	return Object.append(this, {
		event: event,
		type: type,

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

		wheel: wheel,

		relatedTarget: document.id(related),
		target: document.id(target),

		code: code,
		key: key,

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

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

//<1.2compat>

Event.Keys = new Hash(Event.Keys);

//</1.2compat>

Event.implement({

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

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

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

});


/*
---

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);

	newClass.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;
	var 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;
				var instance = new F;
				object[key] = reset(instance);
			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 Events = this.Events = new Class({

	$events: {},

	addEvent: function(type, fn, internal){
		type = Events.removeOn(type);
		if (fn/*<1.2compat>*/ && fn != $empty /*</1.2compat>*/){
			this.$events[type] = this.$events[type] || [];
			this.$events[type].include(fn);
			if (internal) fn.internal = true;
		}
		return this;
	},

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

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

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

	removeEvents: function(events){
		var type;
		if (typeOf(events) == 'object'){
			for (type in events) this.removeEvent(type, events[type]);
			return this;
		}
		if (events) 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--;) this.removeEvent(type, fns[i]);
		}
		return this;
	}

});

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

this.Options = new Class({

	setOptions: function(){
		var options = this.options = Object.merge.run([{}, this.options].append(arguments));
		if (!this.addEvent) return this;
		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) 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[expression] = (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(/[-[\]{}()*+?.\\^$|,#\s]/g, "\\$&");
};

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* ([*^$!~|]?=)  (?:  \
				\\s* (?:\
					([\"']?)(.*?)\\9 \
				)\
			)  \
		)?  \\s*  \
	\\](?!\\]) \n\
	|   :+ ( <unicode>+ )(?:\
	\\( (?:\
		 ([\"']?)((?:\\([^\\)]+\\)|[^\\(\\)]*)+)\\12\
	) \\)\
	)?\
	)"
*/
	"^(?:\\s*(,)\\s*|\\s*(<combinator>+)\\s*|(\\s+)|(<unicode>+|\\*)|\\#(<unicode>+)|\\.(<unicode>+)|\\[\\s*(<unicode1>+)(?:\\s*([*^$!~|]?=)(?:\\s*(?:([\"']?)(.*?)\\9)))?\\s*\\](?!\\])|:+(<unicode>+)(?:\\((?:([\"']?)((?:\\([^\\)]+\\)|[^\\(\\)]*)+)\\12)\\))?)"
	.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,
	
	pseudoClass,
	pseudoQuote,
	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 ? pseudoClassValue.replace(reUnescape, '') : null;
		
		if (!currentParsed.pseudos) currentParsed.pseudos = [];
		currentParsed.pseudos.push({
			key: pseudoClass.replace(reUnescape, ''),
			value: pseudoClassValue
		});
		
	} 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 (!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 = {};

// Feature / Bug detection

local.isNativeCode = function(fn){
	return (/\{\s*\[native code\]\s*\}/).test('' + fn);
};

local.isXML = function(document){
	return (!!document.xmlVersion) || (!!document.xml) || (Object.prototype.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.
	
	if (document.nodeType === 9); // document
	else if (document.ownerDocument) 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;
	var root = this.root = document.documentElement;
	
	// document sort
	
	this.brokenStarGEBTN
	= this.starSelectsClosedQSA
	= this.idGetsName
	= this.brokenMixedCaseQSA
	= this.brokenGEBCN
	= false;
	
	var starSelectsClosed, starSelectsComments,
		brokenSecondClassNameGEBCN, cachedGetElementsByClassName;
	
	if (!(this.isXMLDocument = this.isXML(document))){
		
		var testNode = document.createElement('div');
		this.root.appendChild(testNode);
		var selected, id;
		
		// IE returns comment nodes for getElementsByTagName('*') for some documents
		testNode.appendChild(document.createComment(''));
		starSelectsComments = (testNode.getElementsByTagName('*').length > 0);
		
		// 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){};
		
		this.brokenStarGEBTN = starSelectsComments || starSelectsClosed;
		
		// IE 8 returns closed nodes (EG:"</foo>") for querySelectorAll('*') for some documents
		if (testNode.querySelectorAll) try {
			testNode.innerHTML = 'foo</foo>';
			selected = testNode.querySelectorAll('*');
			this.starSelectsClosedQSA = (selected && selected.length && selected[0].nodeName.charAt(0) == '/');
		} catch(e){};
		
		// IE returns elements with the name instead of just id for getElementById for some documents
		try {
			id = 'slick_id_gets_name';
			testNode.innerHTML = ('<a name='+id+'></a><b id='+id+'></b>');
			this.idGetsName = testNode.ownerDocument.getElementById(id) === testNode.firstChild;
		} catch(e){};
		
		// Safari 3.2 QSA doesnt work with mixedcase on quirksmode
		try {
			testNode.innerHTML = '<a class="MiXedCaSe"></a>';
			this.brokenMixedCaseQSA = !testNode.querySelectorAll('.MiXedCaSe').length;
		} catch(e){};

		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 GEBCN 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){};
		
		this.brokenGEBCN = cachedGetElementsByClassName || brokenSecondClassNameGEBCN;
		
		this.root.removeChild(testNode);
		testNode = null;
		
	}
	
	// hasAttribute
	
	this.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?
	this.contains = (root && this.isNativeCode(root.contains)) ? function(context, node){
		return 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/)
	
	this.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 ;
	
	this.getUID = (this.isXMLDocument) ? this.getUIDXML : this.getUIDHTML;
	
};
	
// Main Method

local.search = function(context, expression, append, first){
	
	var found = this.found = (first) ? null : (append || []);
	
	// no need to pass a context if its the current document
	
	if (expression == null){
		expression = context;
		context = document; // the current document, not local.document, cause it would be confusing
	}
	
	// context checks

	if (!context) return found; // No context
	if (context.navigator) context = context.document; // Convert the node from a window to a document
	else if (!context.nodeType) return found; // Reject misc junk input

	// setup
	
	var parsed, i;

	var uniques = this.uniques = {};
	
	if (this.document !== (context.ownerDocument || context)) this.setDocument(context);

	// expression checks
	
	if (typeof expression == 'string'){ // expression is a string
		
		// Overrides

		for (i = this.overrides.length; i--;){
			var override = this.overrides[i];
			if (override.regexp.test(expression)){
				var result = override.method.call(context, expression, found, first);
				if (result === false) continue;
				if (result === true) return found;
				return result;
			}
		}
		
		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;
	}
	
	// cache elements for the nth selectors
	
	/*<pseudo-selectors>*//*<nth-pseudo-selectors>*/
	
	this.posNTH = {};
	this.posNTHLast = {};
	this.posNTHType = {};
	this.posNTHTypeLast = {};
	
	/*</nth-pseudo-selectors>*//*</pseudo-selectors>*/
	
	// should sort if there are nodes in append and if you pass multiple expressions.
	// should remove duplicates if append already has items
	var shouldUniques = !!(append && append.length);
	
	// if append is null and there is only a single selector with one expression use pushArray, else use pushUID
	this.push = (!shouldUniques && (first || (parsed.length == 1 && parsed.expressions[0].length == 1))) ? this.pushArray : this.pushUID;
	
	if (found == null) found = [];
	
	// avoid duplicating items already in the append array
	if (shouldUniques) for (i = found.length; i--;) this.uniques[this.getUID(found[i])] = true;
	
	// 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;
	}
	
	if (shouldUniques || (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){
	var parsed = this.Slick.parse(selector);
	if (!parsed) return true;
	
	// simple (single) selectors
	if(parsed.length == 1 && parsed.expressions[0].length == 1){
		var exp = parsed.expressions[0][0];
		return this.matchSelector(node, (this.isXMLDocument) ? exp.tag : exp.tag.toUpperCase(), exp.id, exp.classes, exp.attributes, exp.pseudos);
	}

	var nodes = this.search(this.document, parsed);
	for (var i = 0, item; 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){
		if (tag == '*'){
			if (node.nodeName < '@') return false; // Fix for comment nodes and closed nodes
		} else {
			if (node.nodeName != tag) return false;
		}
	}
	
	if (id && node.getAttribute('id') != id) return false;

	var i, part, cls;
	if (classes) for (i = classes.length; i--;){
		cls = ('className' in node) ? node.className : node.getAttribute('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.isXMLDocument){
			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++];) if (item.getAttributeNode('id').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.document.documentElement, 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 !== 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 !== 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, argument){
		return this['pseudo:nth-child'](node, '2n');
	},

	'odd': function(node, argument){
		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 === false);
	},
	
	'disabled': function(node){
		return (node.disabled === true);
	},

	'checked': function(node){
		return node.checked;
	},

	'selected': function(node){
		return node.selected;
	},
	
	'focus': function(node){
		return !this.isXMLDocument && this.document.activeElement === node && (node.href || node.type || this.hasAttribute(node, 'tabindex'));
	}
	
	/*</pseudo-selectors>*/
};

for (var p in pseudos) local['pseudo:' + p] = pseudos[p];

// attributes methods

local.attributeGetters = {

	'class': function(){
		return ('className' in this) ? this.className : this.getAttribute('class');
	},
	
	'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');
	}

};

local.getAttribute = function(node, name){
	// FIXME: check if getAttribute() will get input elements on a form on this browser
	// getAttribute is faster than getAttributeNode().nodeValue
	var method = this.attributeGetters[name];
	if (method) return method.call(node);
	var attributeNode = node.getAttributeNode(name);
	return attributeNode ? attributeNode.nodeValue : null;
};

// overrides

local.overrides = [];

local.override = function(regexp, method){
	this.overrides.push({regexp: regexp, method: method});
};

/*<overrides>*/

/*<query-selector-override>*/

local.override(/./, function(expression, found, first){ //querySelectorAll override

	if (!this.querySelectorAll || this.nodeType != 9 || local.isXMLDocument || local.brokenMixedCaseQSA || Slick.disableQSA) return false;
	
	var nodes, node;
	try {
		if (first) return this.querySelector(expression) || null;
		else nodes = this.querySelectorAll(expression);
	} catch(error){
		return false;
	}

	var i, hasOthers = !!(found.length);

	if (local.starSelectsClosedQSA) for (i = 0; node = nodes[i++];){
		if (node.nodeName > '@' && (!hasOthers || !local.uniques[local.getUIDHTML(node)])) found.push(node);
	} else for (i = 0; node = nodes[i++];){
		if (!hasOthers || !local.uniques[local.getUIDHTML(node)]) found.push(node);
	}

	if (hasOthers) local.sort(found);

	return true;

});

/*</query-selector-override>*/

/*<tag-override>*/

local.override(/^[\w-]+$|^\*$/, function(expression, found, first){ // tag override
	var tag = expression;
	if (tag == '*' && local.brokenStarGEBTN) return false;
	
	var nodes = this.getElementsByTagName(tag);
	
	if (first) return nodes[0] || null;
	var i, node, hasOthers = !!(found.length);
	
	for (i = 0; node = nodes[i++];){
		if (!hasOthers || !local.uniques[local.getUID(node)]) found.push(node);
	}
	
	if (hasOthers) local.sort(found);

	return true;
});

/*</tag-override>*/

/*<class-override>*/

local.override(/^\.[\w-]+$/, function(expression, found, first){ // class override
	if (local.isXMLDocument || (!this.getElementsByClassName && this.querySelectorAll)) return false;
	
	var nodes, node, i, hasOthers = !!(found && found.length), className = expression.substring(1);
	if (this.getElementsByClassName && !local.brokenGEBCN){
		nodes = this.getElementsByClassName(className);
		if (first) return nodes[0] || null;
		for (i = 0; node = nodes[i++];){
			if (!hasOthers || !local.uniques[local.getUIDHTML(node)]) found.push(node);
		}
	} else {
		var matchClass = new RegExp('(^|\\s)'+ Slick.escapeRegExp(className) +'(\\s|$)');
		nodes = this.getElementsByTagName('*');
		for (i = 0; node = nodes[i++];){
			className = node.className;
			if (!className || !matchClass.test(className)) continue;
			if (first) return node;
			if (!hasOthers || !local.uniques[local.getUIDHTML(node)]) found.push(node);
		}
	}
	if (hasOthers) local.sort(found);
	return (first) ? null : true;
});

/*</class-override>*/

/*<id-override>*/

local.override(/^#[\w-]+$/, function(expression, found, first){ // ID override
	if (local.isXMLDocument || this.nodeType != 9) return false;
	
	var id = expression.substring(1), el = this.getElementById(id);
	if (!el) return found;
	if (local.idGetsName && el.getAttributeNode('id').nodeValue != id) return false;
	if (first) return el || null;
	var hasOthers = !!(found.length);
	if (!hasOthers || !local.uniques[local.getUIDHTML(el)]) found.push(el);
	if (hasOthers) local.sort(found);
	return true;
});

/*</id-override>*/

/*</overrides>*/

if (typeof document != 'undefined') local.setDocument(document);

// Slick

var Slick = local.Slick = (this.Slick || {});

Slick.version = '0.9dev';

// 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){
	return local.getAttribute(node, name);
};

// Slick matcher

Slick.match = function(node, selector){
	if (!(node && selector)) return false;
	if (!selector || selector === node) return true;
	if (typeof selector != 'string') return false;
	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, Number, Slick.Parser, Slick.Finder]

provides: [Element, Elements, $, $$, Iframe]

...
*/

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 (!tag.test(/^[\w-]+$/)){
		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 i = 0, l = attributes.length; i < l; i++){
			var attr = attributes[i];
			if (attr.value != null && attr.operator == '=' && props[attr.key] == null)
				props[attr.key] = attr.value;
		}
		
		if (parsed.classList && props['class'] == null) props['class'] = parsed.classList.join(' ');
	}
	
	return document.newElement(tag, props);
};
	
if (Browser.Element){
	Element.prototype = Browser.Element.prototype;
}

new Type('Element', Element).mirror(function(name, method){
	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 = {};
	
	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 || {};
	var 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_' + Date.now()].pick();
	iframe = new Element(iframe || 'iframe', props);
	var onFrameLoad = function(){
		var host = Function.attempt(function(){
			return iframe.contentWindow.location.host;
		});
		if (!host || host == window.location.host){
			var win = new Window(iframe.contentWindow);
			new Document(iframe.contentWindow.document);
			Object.append(win.Element.prototype, Element.ProtoType);
		}
		onload.call(iframe.contentWindow, iframe.contentWindow.document);
	};
	var contentWindow = Function.attempt(function(){
		return iframe.contentWindow;
	});
	((contentWindow && contentWindow.document.body) || window.frames[props.id]) ? onFrameLoad() : iframe.addListener('load', onFrameLoad);
	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()
 
}).implement(Array.prototype);
 
Array.mirror(Elements);

Document.implement({

	newElement: function(tag, props){
		if (props && props.checked != null) props.defaultChecked = props.checked;
		return this.id(this.createElement(tag)).set(props);
	},

	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 = doc.getElementById(id);
				return (id) ? types.element(id, nocash) : null;
			},
			
			element: function(el, nocash){
				$uid(el);
				if (!nocash && !el.$family && !(/^object|embed$/i).test(el.tagName)){
					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.uid) 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));
	}
 
});

//<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){
	return Slick.search(this.document, selector, new Elements);
});

(function(){

var collected = {}, storage = {};
var props = {input: 'checked', option: 'selected', textarea: 'value'};

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

var clean = function(item){
	if (item.removeEvents) item.removeEvents();
	if (item.clearAttributes) item.clearAttributes();
	var uid = item.uid;
	if (uid != null){
		delete collected[uid];
		delete storage[uid];
	}
	return item;
};

var camels = ['defaultValue', 'accessKey', 'cellPadding', 'cellSpacing', 'colSpan', 'frameBorder', 'maxLength', 'readOnly',
	'rowSpan', 'tabIndex', 'useMap'
];
var bools = ['compact', 'nowrap', 'ismap', 'declare', 'noshade', 'checked', 'disabled', 'readOnly', 'multiple', 'selected',
	'noresize', 'defer'
];
 var attributes = {
	'html': 'innerHTML',
	'class': 'className',
	'for': 'htmlFor',
	'text': (function(){
		var temp = document.createElement('div');
		return (temp.innerText == null) ? 'textContent' : 'innerText';
	})()
};
var readOnly = ['type'];
var expandos = ['value', 'defaultValue'];
var uriAttrs = /^href|src|usemap$/i;

bools = bools.associate(bools);
camels = camels.associate(camels.map(String.toLowerCase));
readOnly = readOnly.associate(readOnly);

Object.append(attributes, expandos.associate(expandos));

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>

Element.implement({

	set: function(prop, value){
		var property = Element.Properties[prop];
		(property && property.set) ? property.set.apply(this, Array.slice(arguments, 1)) : this.setProperty(prop, value);
	}.overloadSetter(),

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

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

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

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

	getProperty: function(attribute){
		attribute = camels[attribute] || attribute;
		var key = attributes[attribute] || readOnly[attribute];
		return (key) ? this[key] :
			(bools[attribute]) ? !!this[attribute] :
			(uriAttrs.test(attribute) ? this.getAttribute(attribute, 2) :
			(key = this.getAttributeNode(attribute)) ? key.nodeValue : null) || null;
	},

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

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

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

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

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

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

	toggleClass: function(className, 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);
	},

	getPrevious: function(match){
		return document.id(Slick.find(this, '!+ ' + (match || '')));
	},

	getAllPrevious: function(match){
		return Slick.search(this, '!~ ' + (match || ''), new Elements);
	},

	getNext: function(match){
		return document.id(Slick.find(this, '~ ' + (match || '')));
	},

	getAllNext: function(match){
		return Slick.search(this, '~ ' + (match || ''), new Elements);
	},

	getFirst: function(match){
		return document.id(Slick.find(this, '> ' + (match || '')));
	},

	getLast: function(match){
		return document.id(Slick.find(this, '!^ ' + (match || '')));
	},

	getParent: function(match){
		return document.id(Slick.find(this, '! ' + (match || '')));
	},

	getParents: function(match){
		return Slick.search(this, '! ' + (match || ''), new Elements);
	},
	
	getSiblings: function(match){
		return Slick.search(this, '~~ ' + (match || ''), new Elements);
	},

	getChildren: function(match){
		return Slick.search(this, '> ' + (match || ''), new Elements);
	},

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

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

	getElementById: function(id){
		return document.id(Slick.find(this, '#' + id));
	},

	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('&');
	},

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

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

		clean(clone, this);
		return document.id(clone);
	},
	
	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;
	},

	match: function(expression){
		return !expression || Slick.match(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);
});

//</1.2compat>

[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[this.uid] = this;
		}
		if (this.addEventListener) this.addEventListener(type, fn, false);
		else this.attachEvent('on' + type, fn);
		return this;
	},

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

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

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

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

});

// purge

window.addListener('unload', function(){
	Object.each(collected, clean);
	if (window.CollectGarbage) CollectGarbage();
});

})();

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 = (function(){
	
	var tableTest = Function.attempt(function(){
		var table = document.createElement('table');
		table.innerHTML = '<tr><td></td></tr>';
	});
	
	var wrapper = document.createElement('div');

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

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

	html.erase = html.set;

	return html;
})();


/*
---

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;

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

var hasFilter = (html.style.filter != null);

Element.Properties.opacity = {

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

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

};

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;
	},

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

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

	setStyle: function(property, value){
		switch (property){
			case 'opacity': return this.set('opacity', parseFloat(value));
			case 'float': property = floatName;
		}
		property = 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;
		return this;
	},

	getStyle: function(property){
		switch (property){
			case 'opacity': return this.get('opacity');
			case 'float': property = floatName;
		}
		property = 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 && isNaN(result))){
			if (property.test(/^(height|width)$/)){
				var values = (property == 'width') ? ['left', 'right'] : ['top', 'bottom'], size = 0;
				values.each(function(value){
					size += this.getStyle('border-' + value + '-width').toInt() + this.getStyle('padding-' + value).toInt();
				}, this);
				return this['offset' + property.capitalize()] - size + 'px';
			}
			if (Browser.opera && String(result).test('px')) return result;
			if (property.test(/(border(.+)Width|margin|padding)/)) return '0px';
		}
		return result;
	},

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

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

});

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

//<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.

license: MIT-style license.

requires: [Element, Event]

provides: Element.Event

...
*/

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

[Element, Window, Document].invoke('implement', {

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

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

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

	removeEvents: function(events){
		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]){
			while (attached[events].keys[0]) this.removeEvent(events, attached[events].keys[0]);
			attached[events] = null;
		}
		return this;
	},

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

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

});

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

(function(){

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

Element.Events = {

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

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

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

};

//<1.2compat>

Element.Events = new Hash(Element.Events);

//</1.2compat>

})();


/*
---

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(){

Element.implement({

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

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

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

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

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

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

	getOffsets: function(){
		if (this.getBoundingClientRect && !Browser.Platform.ipod){
			var bound = this.getBoundingClientRect(),
				html = document.id(this.getDocument().documentElement),
				htmlScroll = html.getScroll(),
				elemScrolls = this.getScrolls(),
				elemScroll = this.getScroll(),
				isFixed = (styleString(this, 'position') == 'fixed');

			return {
				x: bound.left.toInt() + elemScrolls.x - elemScroll.x + ((isFixed) ? 0 : htmlScroll.x) - html.clientLeft,
				y: bound.top.toInt()  + elemScrolls.y - elemScroll.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){
		if (isBody(this)) return {x: 0, y: 0};
		var offset = this.getOffsets(),
				scroll = this.getScrolls();
		var position = {
			x: offset.x - scroll.x,
			y: offset.y - scroll.y
		};
		var relativePosition = (relative && (relative = document.id(relative))) ? relative.getPosition() : {x: 0, y: 0};
		return {x: position.x - relativePosition.x, y: position.y - relativePosition.y};
	},

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

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

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

});


[Document, Window].invoke('implement', {

	getSize: function(){
		if (Browser.opera || Browser.safari){
			var win = this.getWindow();
			return {x: win.innerWidth, y: win.innerHeight};
		}
		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();
		return {x: Math.max(doc.scrollWidth, min.x), y: Math.max(doc.scrollHeight, min.y)};
	},

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

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

});

// private methods

var styleString = Element.getComputedStyle;

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

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

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

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

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

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

})();

//aliases
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: 50,
		unit: false,
		duration: 500,
		link: 'ignore'
	},

	initialize: function(options){
		this.subject = this.subject || this;
		this.setOptions(options);
		var wait = this.options.wait;
		if (wait === false) this.options.link = 'cancel';
	},

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

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

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

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

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

	start: function(from, to){
		if (!this.check(from, to)) return this;
		var duration = this.options.duration;
		this.options.duration = Fx.Durations[duration] || duration.toInt();
		this.from = from;
		this.to = to;
		this.time = 0;
		this.transition = this.getTransition();
		this.startTimer();
		this.onStart();
		return this;
	},

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

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

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

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

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

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

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

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

	startTimer: function(){
		if (this.timer) return false;
		this.time = Date.now() - this.time;
		this.timer = addInstance(this);
		return true;
	}

});

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(){
	for (var i = this.length; i--;){
		if (this[i]) this[i].step();
	}
};

var addInstance = function(instance){
	var fps = instance.options.fps,
		list = instances[fps] || (instances[fps] = []);
	list.push(instance);
	if (!timers[fps]) timers[fps] = loop.periodical(Math.round(1000 / fps), list);
	return true;
};

var removeInstance = function(instance){
	var fps = instance.options.fps,
		list = instances[fps] || [];
	list.erase(instance);
	if (!list.length && timers[fps]) timers[fps] = clearInterval(timers[fps]);
	return false;
};

})();


/*
---

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);
		if (values[1] == null){
			values[1] = values[0];
			values[0] = element.getStyle(property);
		}
		var parsed = values.map(this.parse);
		return {from: parsed[0], to: parsed[1]};
	},

	//parses a value into an array

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

});

Fx.CSS.Cache = {};

Fx.CSS.Parsers = {

	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.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){
		var morph = this.get('morph').cancel();
		morph.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.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){
		var tween = this.get('tween').cancel();
		tween.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(arguments);
		return this;
	},

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

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

});


/*
---

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);
	return Object.append(transition, {
		easeIn: function(pos){
			return transition(pos, params);
		},
		easeOut: function(pos){
			return 1 - transition(1 - pos, params);
		},
		easeInOut: function(pos){
			return (pos <= 0.5) ? transition(2 * pos, params) / 2 : (2 - transition(2 * (1 - pos), params)) / 2;
		}
	});
};

Fx.Transitions = {

	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[0] || 6);
	},

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

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

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

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

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

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

});

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


/*
---

name: Request

description: Powerful all purpose Request Class. Uses XMLHTTPRequest.

license: MIT-style license.

requires: [Object, Element, Chain, Events, Options, Browser]

provides: Request

...
*/

var Request = new Class({

	Implements: [Chain, Events, Options],

	options: {/*
		onRequest: nil,
		onComplete: nil,
		onCancel: nil,
		onSuccess: nil,
		onFailure: nil,
		onException: nil,*/
		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,
		noCache: false
	},

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

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

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

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

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

		if (this.options.noCache){
			var noCache = 'noCache=' + new Date().getTime();
			data = (data) ? noCache + '&' + data : noCache;
		}

		var trimPosition = url.lastIndexOf('/');
		if (trimPosition > -1 && (trimPosition = url.indexOf('#')) > -1) url = url.substr(0, trimPosition);

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

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

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

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

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

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

});

(function(){

var methods = {};
['get', 'post', 'put', 'delete', 'GET', 'POST', 'PUT', 'DELETE'].each(function(method){
	methods[method] = function(data){
		return this.send({
			data: data,
			method: method
		});
	};
});

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
	},

	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('*');

		if (options.filter) response.tree = response.elements.filter(options.filter);
		if (options.update) document.id(options.update).empty().set('html', response.html);
		else if (options.append) document.id(options.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({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.

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

requires: [Array, String, Number, Function]

provides: JSON

...
*/

if (!this.JSON) this.JSON = {};

//<1.2compat>

JSON = new Hash({
	stringify: JSON.stringify,
	parse: JSON.parse
});

//</1.2compat>

Object.append(JSON, {
	
	$specialChars: {'\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"' : '\\"', '\\': '\\\\'},

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

	encode: function(obj){
		switch (typeOf(obj)){
			case 'string':
				return '"' + obj.replace(/[\x00-\x1f\\"]/g, JSON.$replaceChars) + '"';
			case 'array':
				return '[' + String(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 String(obj);
			case 'null': return 'null';
		}
		return null;
	},

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

});


/*
---

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: {
		secure: true
	},

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

	success: function(text){
		var secure = this.options.secure;
		var json = this.response.json = Function.attempt(function(){
			return JSON.decode(text, secure);
		});

		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

provides: Cookie

...
*/

var Cookie = new Class({

	Implements: Options,

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

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

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

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

	dispose: function(){
		new Cookie(this.key, 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: Element.Event

provides: DomReady

...
*/

Element.Events.domready = {

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

};

(function(){

	var domready = function(){
		if (Browser.loaded) return;
		Browser.loaded = true;
		window.fireEvent('domready');
		document.fireEvent('domready');
	};
	
	window.addEvent('load', domready);
	
	var repeat;
	if (Browser.ie){
		var temp = document.createElement('div');
		repeat = function(){
			(Function.attempt(function(){
				temp.doScroll(); // Technique by Diego Perini
				return document.id(temp).inject(document.body).set('html', 'temp').dispose();
			})) ? domready() : repeat.delay(50);
		};
		repeat();
	} else if (Browser.safari && Browser.version < 4){
		repeat = function(){
			(['loaded', 'complete'].contains(document.readyState)) ? domready() : repeat.delay(50);
		};
		repeat();
	} else {
		document.addEvent('DOMContentLoaded', domready);
	}

})();


/*
---

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]

provides: Swiff

...
*/

var Swiff = new Class({

	Implements: Options,

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

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

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

		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, width: options.width}, options.properties);

		var self = this;

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

		params.flashVars = 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()].extend(arguments));
	}

});

Swiff.CallBacks = {};

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


	//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

	MooTools.More = {
		'version': '1.2.3.1'
	};

	/*
	Script: Class.Refactor.js
		Extends a class onto itself with new property, preserving any items attached to the class's namespace.

		License:
			MIT-style license.

		Authors:
			Aaron Newton
	*/

	Class.refactor = function(original, refactors){

		$each(refactors, function(item, name){
			var origin = original.prototype[name];
			if (origin && (origin = origin._origin) && typeof item == 'function') original.implement(name, function(){
				var old = this.previous;
				this.previous = origin;
				var value = item.apply(this, arguments);
				this.previous = old;
				return value;
			}); else original.implement(name, item);
		});

		return original;

	};

	/*
	Script: Class.Binds.js
		Automagically binds specified methods in a class to the instance of the class.

		License:
			MIT-style license.

		Authors:
			Aaron Newton
	*/

	Class.Mutators.Binds = function(binds){
	    return binds;
	};

	Class.Mutators.initialize = function(initialize){
		return function(){
			$splat(this.Binds).each(function(name){
				var original = this[name];
				if (original) this[name] = original.bind(this);
			}, this);
			return initialize.apply(this, arguments);
		};
	};

	/*
	Script: Element.Measure.js
		Extends the Element native object to include methods useful in measuring dimensions.

		Element.measure / .expose methods by Daniel Steigerwald
		License: MIT-style license.
		Copyright: Copyright (c) 2008 Daniel Steigerwald, daniel.steigerwald.cz

		License:
			MIT-style license.

		Authors:
			Aaron Newton

	*/

	Element.implement({

		measure: function(fn){
			var vis = function(el) {
				return !!(!el || el.offsetHeight || el.offsetWidth);
			};
			if (vis(this)) return fn.apply(this);
			var parent = this.getParent(),
				toMeasure = [], 
				restorers = [];
			while (!vis(parent) && parent != document.body) {
				toMeasure.push(parent.expose());
				parent = parent.getParent();
			}
			var restore = this.expose();
			var result = fn.apply(this);
			restore();
			toMeasure.each(function(restore){
				restore();
			});
			return result;
		},

		expose: function(){
			if (this.getStyle('display') != 'none') return $empty;
			var before = this.style.cssText;
			this.setStyles({
				display: 'block',
				position: 'absolute',
				visibility: 'hidden'
			});
			return function(){
				this.style.cssText = before;
			}.bind(this);
		},

		getDimensions: function(options){
			options = $merge({computeSize: false},options);
			var dim = {};
			var getSize = function(el, options){
				return (options.computeSize)?el.getComputedSize(options):el.getSize();
			};
			if (this.getStyle('display') == 'none'){
				dim = this.measure(function(){
					return getSize(this, options);
				});
			} else {
				try { //safari sometimes crashes here, so catch it
					dim = getSize(this, options);
				}catch(e){}
			}
			return $chk(dim.x) ? $extend(dim, {width: dim.x, height: dim.y}) : $extend(dim, {x: dim.width, y: dim.height});
		},

		getComputedSize: function(options){
			options = $merge({
				styles: ['padding','border'],
				plains: {
					height: ['top','bottom'],
					width: ['left','right']
				},
				mode: 'both'
			}, options);
			var size = {width: 0,height: 0};
			switch (options.mode){
				case 'vertical':
					delete size.width;
					delete options.plains.width;
					break;
				case 'horizontal':
					delete size.height;
					delete options.plains.height;
					break;
			}
			var getStyles = [];
			//this function might be useful in other places; perhaps it should be outside this function?
			$each(options.plains, function(plain, key){
				plain.each(function(edge){
					options.styles.each(function(style){
						getStyles.push((style == 'border') ? style + '-' + edge + '-' + 'width' : style + '-' + edge);
					});
				});
			});
			var styles = {};
			getStyles.each(function(style){ styles[style] = this.getComputedStyle(style); }, this);
			var subtracted = [];
			$each(options.plains, function(plain, key){ //keys: width, height, plains: ['left', 'right'], ['top','bottom']
				var capitalized = key.capitalize();
				size['total' + capitalized] = 0;
				size['computed' + capitalized] = 0;
				plain.each(function(edge){ //top, left, right, bottom
					size['computed' + edge.capitalize()] = 0;
					getStyles.each(function(style, i){ //padding, border, etc.
						//'padding-left'.test('left') size['totalWidth'] = size['width'] + [padding-left]
						if (style.test(edge)){
							styles[style] = styles[style].toInt() || 0; //styles['padding-left'] = 5;
							size['total' + capitalized] = size['total' + capitalized] + styles[style];
							size['computed' + edge.capitalize()] = size['computed' + edge.capitalize()] + styles[style];
						}
						//if width != width (so, padding-left, for instance), then subtract that from the total
						if (style.test(edge) && key != style &&
							(style.test('border') || style.test('padding')) && !subtracted.contains(style)){
							subtracted.push(style);
							size['computed' + capitalized] = size['computed' + capitalized]-styles[style];
						}
					});
				});
			});

			['Width', 'Height'].each(function(value){
				var lower = value.toLowerCase();
				if(!$chk(size[lower])) return;

				size[lower] = size[lower] + this['offset' + value] + size['computed' + value];
				size['total' + value] = size[lower] + size['total' + value];
				delete size['computed' + value];
			}, this);

			return $extend(styles, size);
		}

	});

	/*
	Script: Element.Position.js
		Extends the Element native object to include methods useful positioning elements relative to others.

		License:
			MIT-style license.

		Authors:
			Aaron Newton
	*/

	(function(){

	var original = Element.prototype.position;

	Element.implement({

		position: function(options){
			//call original position if the options are x/y values
			if (options && ($defined(options.x) || $defined(options.y))) return original ? original.apply(this, arguments) : this;
			$each(options||{}, function(v, k){ if (!$defined(v)) delete options[k]; });
			options = $merge({
				relativeTo: document.body,
				position: {
					x: 'center', //left, center, right
					y: 'center' //top, center, bottom
				},
				edge: false,
				offset: {x: 0, y: 0},
				returnPos: false,
				relFixedPosition: false,
				ignoreMargins: false,
				allowNegative: false
			}, options);
			//compute the offset of the parent positioned element if this element is in one
			var parentOffset = {x: 0, y: 0};
			var parentPositioned = false;
			/* dollar around getOffsetParent should not be necessary, but as it does not return
			 * a mootools extended element in IE, an error occurs on the call to expose. See:
			 * http://mootools.lighthouseapp.com/projects/2706/tickets/333-element-getoffsetparent-inconsistency-between-ie-and-other-browsers */
			var offsetParent = this.measure(function(){
				return document.id(this.getOffsetParent());
			});
			if (offsetParent && offsetParent != this.getDocument().body){
				parentOffset = offsetParent.measure(function(){
					return this.getPosition();
				});
				parentPositioned = true;
				options.offset.x = options.offset.x - parentOffset.x;
				options.offset.y = options.offset.y - parentOffset.y;
			}
			//upperRight, bottomRight, centerRight, upperLeft, bottomLeft, centerLeft
			//topRight, topLeft, centerTop, centerBottom, center
			var fixValue = function(option){
				if ($type(option) != 'string') return option;
				option = option.toLowerCase();
				var val = {};
				if (option.test('left')) val.x = 'left';
				else if (option.test('right')) val.x = 'right';
				else val.x = 'center';
				if (option.test('upper') || option.test('top')) val.y = 'top';
				else if (option.test('bottom')) val.y = 'bottom';
				else val.y = 'center';
				return val;
			};
			options.edge = fixValue(options.edge);
			options.position = fixValue(options.position);
			if (!options.edge){
				if (options.position.x == 'center' && options.position.y == 'center') options.edge = {x:'center', y:'center'};
				else options.edge = {x:'left', y:'top'};
			}

			this.setStyle('position', 'absolute');
			var rel = document.id(options.relativeTo) || document.body;
			var calc = rel == document.body ? window.getScroll() : rel.getPosition();
			var top = calc.y;
			var left = calc.x;

			if (Browser.Engine.trident){
				var scrolls = rel.getScrolls();
				top += scrolls.y;
				left += scrolls.x;
			}

			var dim = this.getDimensions({computeSize: true, styles:['padding', 'border','margin']});
			if (options.ignoreMargins){
				options.offset.x = options.offset.x - dim['margin-left'];
				options.offset.y = options.offset.y - dim['margin-top'];
			}
			var pos = {};
			var prefY = options.offset.y;
			var prefX = options.offset.x;
			var winSize = window.getSize();
			switch(options.position.x){
				case 'left':
					pos.x = left + prefX;
					break;
				case 'right':
					pos.x = left + prefX + rel.offsetWidth;
					break;
				default: //center
					pos.x = left + ((rel == document.body ? winSize.x : rel.offsetWidth)/2) + prefX;
					break;
			}
			switch(options.position.y){
				case 'top':
					pos.y = top + prefY;
					break;
				case 'bottom':
					pos.y = top + prefY + rel.offsetHeight;
					break;
				default: //center
					pos.y = top + ((rel == document.body ? winSize.y : rel.offsetHeight)/2) + prefY;
					break;
			}

			if (options.edge){
				var edgeOffset = {};

				switch(options.edge.x){
					case 'left':
						edgeOffset.x = 0;
						break;
					case 'right':
						edgeOffset.x = -dim.x-dim.computedRight-dim.computedLeft;
						break;
					default: //center
						edgeOffset.x = -(dim.x/2);
						break;
				}
				switch(options.edge.y){
					case 'top':
						edgeOffset.y = 0;
						break;
					case 'bottom':
						edgeOffset.y = -dim.y-dim.computedTop-dim.computedBottom;
						break;
					default: //center
						edgeOffset.y = -(dim.y/2);
						break;
				}
				pos.x = pos.x + edgeOffset.x;
				pos.y = pos.y + edgeOffset.y;
			}
			pos = {
				left: ((pos.x >= 0 || parentPositioned || options.allowNegative) ? pos.x : 0).toInt(),
				top: ((pos.y >= 0 || parentPositioned || options.allowNegative) ? pos.y : 0).toInt()
			};
			if (rel.getStyle('position') == 'fixed' || options.relFixedPosition){
				var winScroll = window.getScroll();
				pos.top = pos.top.toInt() + winScroll.y;
				pos.left = pos.left.toInt() + winScroll.x;
			}

			if (options.returnPos) return pos;
			else this.setStyles(pos);
			return this;
		}

	});

	})();

	/*
	Script: Fx.Elements.js
		Effect to change any number of CSS properties of any number of Elements.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	Fx.Elements = new Class({

		Extends: Fx.CSS,

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

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

		set: function(now){
			for (var i in now){
				var iNow = now[i];
				for (var p in iNow) this.render(this.elements[i], p, iNow[p], this.options.unit);
			}
			return this;
		},

		start: function(obj){
			if (!this.check(obj)) return this;
			var from = {}, to = {};
			for (var i in obj){
				var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {};
				for (var p in iProps){
					var parsed = this.prepare(this.elements[i], p, iProps[p]);
					iFrom[p] = parsed.from;
					iTo[p] = parsed.to;
				}
			}
			return this.parent(from, to);
		}

	});

	/*
	Script: Fx.Accordion.js
		An Fx.Elements extension which allows you to easily create accordion type controls.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	var Accordion = Fx.Accordion = new Class({

		Extends: Fx.Elements,

		options: {/*
			onActive: $empty(toggler, section),
			onBackground: $empty(toggler, section),*/
			display: 0,
			show: false,
			height: true,
			width: false,
			opacity: true,
			fixedHeight: false,
			fixedWidth: false,
			wait: false,
			alwaysHide: false,
			trigger: 'click',
			initialDisplayFx: true
		},

		initialize: function(){
			var params = Array.link(arguments, {'container': Element.type, 'options': Object.type, 'togglers': $defined, 'elements': $defined});
			this.parent(params.elements, params.options);
			this.togglers = $$(params.togglers);
			this.container = document.id(params.container);
			this.previous = -1;
			if (this.options.alwaysHide) this.options.wait = true;
			if ($chk(this.options.show)){
				this.options.display = false;
				this.previous = this.options.show;
			}
			if (this.options.start){
				this.options.display = false;
				this.options.show = false;
			}
			this.effects = {};
			if (this.options.opacity) this.effects.opacity = 'fullOpacity';
			if (this.options.width) this.effects.width = this.options.fixedWidth ? 'fullWidth' : 'offsetWidth';
			if (this.options.height) this.effects.height = this.options.fixedHeight ? 'fullHeight' : 'scrollHeight';
			for (var i = 0, l = this.togglers.length; i < l; i++) this.addSection(this.togglers[i], this.elements[i]);
			this.elements.each(function(el, i){
				if (this.options.show === i){
					this.fireEvent('active', [this.togglers[i], el]);
				} else {
					for (var fx in this.effects) el.setStyle(fx, 0);
				}
			}, this);
			if ($chk(this.options.display)) this.display(this.options.display, this.options.initialDisplayFx);
		},

		addSection: function(toggler, element){
			toggler = document.id(toggler);
			element = document.id(element);
			var test = this.togglers.contains(toggler);
			this.togglers.include(toggler);
			this.elements.include(element);
			var idx = this.togglers.indexOf(toggler);
			toggler.addEvent(this.options.trigger, this.display.bind(this, idx));
			if (this.options.height) element.setStyles({'padding-top': 0, 'border-top': 'none', 'padding-bottom': 0, 'border-bottom': 'none'});
			if (this.options.width) element.setStyles({'padding-left': 0, 'border-left': 'none', 'padding-right': 0, 'border-right': 'none'});
			element.fullOpacity = 1;
			if (this.options.fixedWidth) element.fullWidth = this.options.fixedWidth;
			if (this.options.fixedHeight) element.fullHeight = this.options.fixedHeight;
			element.setStyle('overflow', 'hidden');
			if (!test){
				for (var fx in this.effects) element.setStyle(fx, 0);
			}
			return this;
		},

		display: function(index, useFx){
			useFx = $pick(useFx, true);
			index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;
			if ((this.timer && this.options.wait) || (index === this.previous && !this.options.alwaysHide)) return this;
			this.previous = index;
			var obj = {};
			this.elements.each(function(el, i){
				obj[i] = {};
				var hide = (i != index) || (this.options.alwaysHide && (el.offsetHeight > 0));
				this.fireEvent(hide ? 'background' : 'active', [this.togglers[i], el]);
				for (var fx in this.effects) obj[i][fx] = hide ? 0 : el[this.effects[fx]];
			}, this);
			return useFx ? this.start(obj) : this.set(obj);
		}

	});

	/*
	Script: Fx.Scroll.js
		Effect to smoothly scroll any element, including the window.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	Fx.Scroll = new Class({

		Extends: Fx,

		options: {
			offset: {x: 0, y: 0},
			wheelStops: true
		},

		initialize: function(element, options){
			this.element = this.subject = document.id(element);
			this.parent(options);
			var cancel = this.cancel.bind(this, false);

			if ($type(this.element) != 'element') this.element = document.id(this.element.getDocument().body);

			var stopper = this.element;

			if (this.options.wheelStops){
				this.addEvent('start', function(){
					stopper.addEvent('mousewheel', cancel);
				}, true);
				this.addEvent('complete', function(){
					stopper.removeEvent('mousewheel', cancel);
				}, true);
			}
		},

		set: function(){
			var now = Array.flatten(arguments);
			this.element.scrollTo(now[0], now[1]);
		},

		compute: function(from, to, delta){
			return [0, 1].map(function(i){
				return Fx.compute(from[i], to[i], delta);
			});
		},

		start: function(x, y){
			if (!this.check(x, y)) return this;
			var offsetSize = this.element.getSize(), scrollSize = this.element.getScrollSize();
			var scroll = this.element.getScroll(), values = {x: x, y: y};
			for (var z in values){
				var max = scrollSize[z] - offsetSize[z];
				if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z].limit(0, max) : max;
				else values[z] = scroll[z];
				values[z] += this.options.offset[z];
			}
			return this.parent([scroll.x, scroll.y], [values.x, values.y]);
		},

		toTop: function(){
			return this.start(false, 0);
		},

		toLeft: function(){
			return this.start(0, false);
		},

		toRight: function(){
			return this.start('right', false);
		},

		toBottom: function(){
			return this.start(false, 'bottom');
		},

		toElement: function(el){
			var position = document.id(el).getPosition(this.element);
			return this.start(position.x, position.y);
		},

		scrollIntoView: function(el, axes, offset){
			axes = axes ? $splat(axes) : ['x','y'];
			var to = {};
			el = document.id(el);
			var pos = el.getPosition(this.element);
			var size = el.getSize();
			var scroll = this.element.getScroll();
			var containerSize = this.element.getSize();
			var edge = {
				x: pos.x + size.x,
				y: pos.y + size.y
			};
			['x','y'].each(function(axis) {
				if (axes.contains(axis)) {
					if (edge[axis] > scroll[axis] + containerSize[axis]) to[axis] = edge[axis] - containerSize[axis];
					if (pos[axis] < scroll[axis]) to[axis] = pos[axis];
				}
				if (to[axis] == null) to[axis] = scroll[axis];
				if (offset && offset[axis]) to[axis] = to[axis] + offset[axis];
			}, this);
			if (to.x != scroll.x || to.y != scroll.y) this.start(to.x, to.y);
			return this;
		}

	});


	/*
	Script: Fx.Slide.js
		Effect to slide an element in and out of view.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	Fx.Slide = new Class({

		Extends: Fx,

		options: {
			mode: 'vertical'
		},

		initialize: function(element, options){
			this.addEvent('complete', function(){
				this.open = (this.wrapper['offset' + this.layout.capitalize()] != 0);
				if (this.open && Browser.Engine.webkit419) this.element.dispose().inject(this.wrapper);
			}, true);
			this.element = this.subject = document.id(element);
			this.parent(options);
			var wrapper = this.element.retrieve('wrapper');
			this.wrapper = wrapper || new Element('div', {
				styles: $extend(this.element.getStyles('margin', 'position'), {overflow: 'hidden'})
			}).wraps(this.element);
			this.element.store('wrapper', this.wrapper).setStyle('margin', 0);
			this.now = [];
			this.open = true;
		},

		vertical: function(){
			this.margin = 'margin-top';
			this.layout = 'height';
			this.offset = this.element.offsetHeight;
		},

		horizontal: function(){
			this.margin = 'margin-left';
			this.layout = 'width';
			this.offset = this.element.offsetWidth;
		},

		set: function(now){
			this.element.setStyle(this.margin, now[0]);
			this.wrapper.setStyle(this.layout, now[1]);
			return this;
		},

		compute: function(from, to, delta){
			return [0, 1].map(function(i){
				return Fx.compute(from[i], to[i], delta);
			});
		},

		start: function(how, mode){
			if (!this.check(how, mode)) return this;
			this[mode || this.options.mode]();
			var margin = this.element.getStyle(this.margin).toInt();
			var layout = this.wrapper.getStyle(this.layout).toInt();
			var caseIn = [[margin, layout], [0, this.offset]];
			var caseOut = [[margin, layout], [-this.offset, 0]];
			var start;
			switch (how){
				case 'in': start = caseIn; break;
				case 'out': start = caseOut; break;
				case 'toggle': start = (layout == 0) ? caseIn : caseOut;
			}
			return this.parent(start[0], start[1]);
		},

		slideIn: function(mode){
			return this.start('in', mode);
		},

		slideOut: function(mode){
			return this.start('out', mode);
		},

		hide: function(mode){
			this[mode || this.options.mode]();
			this.open = false;
			return this.set([-this.offset, 0]);
		},

		show: function(mode){
			this[mode || this.options.mode]();
			this.open = true;
			return this.set([0, this.offset]);
		},

		toggle: function(mode){
			return this.start('toggle', mode);
		}

	});

	Element.Properties.slide = {

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

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

	};

	Element.implement({

		slide: function(how, mode){
			how = how || 'toggle';
			var slide = this.get('slide'), toggle;
			switch (how){
				case 'hide': slide.hide(mode); break;
				case 'show': slide.show(mode); break;
				case 'toggle':
					var flag = this.retrieve('slide:flag', slide.open);
					slide[flag ? 'slideOut' : 'slideIn'](mode);
					this.store('slide:flag', !flag);
					toggle = true;
				break;
				default: slide.start(how, mode);
			}
			if (!toggle) this.eliminate('slide:flag');
			return this;
		}

	});


	/*
	Script: Fx.SmoothScroll.js
		Class for creating a smooth scrolling effect to all internal links on the page.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	var SmoothScroll = Fx.SmoothScroll = new Class({

		Extends: Fx.Scroll,

		initialize: function(options, context){
			context = context || document;
			this.doc = context.getDocument();
			var win = context.getWindow();
			this.parent(this.doc, options);
			this.links = this.options.links ? $$(this.options.links) : $$(this.doc.links);
			var location = win.location.href.match(/^[^#]*/)[0] + '#';
			this.links.each(function(link){
				if (link.href.indexOf(location) != 0) {return;}
				var anchor = link.href.substr(location.length);
				if (anchor) this.useLink(link, anchor);
			}, this);
			if (!Browser.Engine.webkit419) {
				this.addEvent('complete', function(){
					win.location.hash = this.anchor;
				}, true);
			}
		},

		useLink: function(link, anchor){
			var el;
			link.addEvent('click', function(event){
				if (el !== false && !el) el = document.id(anchor) || this.doc.getElement('a[name=' + anchor + ']');
				if (el) {
					event.preventDefault();
					this.anchor = anchor;
					this.toElement(el);
					link.blur();
				}
			}.bind(this));
		}

	});

	/*
	Script: Fx.Sort.js
		Defines Fx.Sort, a class that reorders lists with a transition.

		License:
			MIT-style license.

		Authors:
			Aaron Newton

	*/

	Fx.Sort = new Class({

		Extends: Fx.Elements,

		options: {
			mode: 'vertical'
		},

		initialize: function(elements, options){
			this.parent(elements, options);
			this.elements.each(function(el){
				if (el.getStyle('position') == 'static') el.setStyle('position', 'relative');
			});
			this.setDefaultOrder();
		},

		setDefaultOrder: function(){
			this.currentOrder = this.elements.map(function(el, index){
				return index;
			});
		},

		sort: function(newOrder){
			if ($type(newOrder) != 'array') return false;
			var top = 0;
			var left = 0;
			var zero = {};
			var vert = this.options.mode == 'vertical';
			var current = this.elements.map(function(el, index){
				var size = el.getComputedSize({styles: ['border', 'padding', 'margin']});
				var val;
				if (vert){
					val = {
						top: top,
						margin: size['margin-top'],
						height: size.totalHeight
					};
					top += val.height - size['margin-top'];
				} else {
					val = {
						left: left,
						margin: size['margin-left'],
						width: size.totalWidth
					};
					left += val.width;
				}
				var plain = vert ? 'top' : 'left';
				zero[index] = {};
				var start = el.getStyle(plain).toInt();
				zero[index][plain] = start || 0;
				return val;
			}, this);
			this.set(zero);
			newOrder = newOrder.map(function(i){ return i.toInt(); });
			if (newOrder.length != this.elements.length){
				this.currentOrder.each(function(index){
					if (!newOrder.contains(index)) newOrder.push(index);
				});
				if (newOrder.length > this.elements.length)
					newOrder.splice(this.elements.length-1, newOrder.length - this.elements.length);
			}
			top = 0;
			left = 0;
			var margin = 0;
			var next = {};
			newOrder.each(function(item, index){
				var newPos = {};
				if (vert){
					newPos.top = top - current[item].top - margin;
					top += current[item].height;
				} else {
					newPos.left = left - current[item].left;
					left += current[item].width;
				}
				margin = margin + current[item].margin;
				next[item]=newPos;
			}, this);
			var mapped = {};
			$A(newOrder).sort().each(function(index){
				mapped[index] = next[index];
			});
			this.start(mapped);
			this.currentOrder = newOrder;
			return this;
		},

		rearrangeDOM: function(newOrder){
			newOrder = newOrder || this.currentOrder;
			var parent = this.elements[0].getParent();
			var rearranged = [];
			this.elements.setStyle('opacity', 0);
			//move each element and store the new default order
			newOrder.each(function(index){
				rearranged.push(this.elements[index].inject(parent).setStyles({
					top: 0,
					left: 0
				}));
			}, this);
			this.elements.setStyle('opacity', 1);
			this.elements = $$(rearranged);
			this.setDefaultOrder();
			return this;
		},

		getDefaultOrder: function(){
			return this.elements.map(function(el, index){
				return index;
			});
		},

		forward: function(){
			return this.sort(this.getDefaultOrder());
		},

		backward: function(){
			return this.sort(this.getDefaultOrder().reverse());
		},

		reverse: function(){
			return this.sort(this.currentOrder.reverse());
		},

		sortByElements: function(elements){
			return this.sort(elements.map(function(el){
				return this.elements.indexOf(el);
			}, this));
		},

		swap: function(one, two){
			if ($type(one) == 'element') one = this.elements.indexOf(one);
			if ($type(two) == 'element') two = this.elements.indexOf(two);
			
			var newOrder = $A(this.currentOrder);
			newOrder[this.currentOrder.indexOf(one)] = two;
			newOrder[this.currentOrder.indexOf(two)] = one;
			this.sort(newOrder);
		}

	});

	/*
		Script: Fx.Reveal.js
			Defines Fx.Reveal, a class that shows and hides elements with a transition.

			License:
				MIT-style license.

			Authors:
				Aaron Newton

	*/

	Fx.Reveal = new Class({

			Extends: Fx.Morph,

			options: {/*	  
				onShow: $empty(thisElement),
				onHide: $empty(thisElement),
				onComplete: $empty(thisElement),
				heightOverride: null,
				widthOverride: null, */
				styles: ['padding', 'border', 'margin'],
				transitionOpacity: !Browser.Engine.trident4,
				mode: 'vertical',
				display: 'block',
				hideInputs: Browser.Engine.trident ? 'select, input, textarea, object, embed' : false
			},

			dissolve: function(){
				try {
					if (!this.hiding && !this.showing){
						if (this.element.getStyle('display') != 'none'){
							this.hiding = true;
							this.showing = false;
							this.hidden = true;
							var startStyles = this.element.getComputedSize({
								styles: this.options.styles,
								mode: this.options.mode
							});
							var setToAuto = (this.element.style.height === ''||this.element.style.height == 'auto');
							this.element.setStyle('display', 'block');
							if (this.options.transitionOpacity) startStyles.opacity = 1;
							var zero = {};
							$each(startStyles, function(style, name){
								zero[name] = [style, 0];
							}, this);
							var overflowBefore = this.element.getStyle('overflow');
							this.element.setStyle('overflow', 'hidden');
							var hideThese = this.options.hideInputs ? this.element.getElements(this.options.hideInputs) : null;
							this.$chain.unshift(function(){
								if (this.hidden){
									this.hiding = false;
									$each(startStyles, function(style, name){
										startStyles[name] = style;
									}, this);
									this.element.setStyles($merge({display: 'none', overflow: overflowBefore}, startStyles));
									if (setToAuto){
										if (['vertical', 'both'].contains(this.options.mode)) this.element.style.height = '';
										if (['width', 'both'].contains(this.options.mode)) this.element.style.width = '';
									}
									if (hideThese) hideThese.setStyle('visibility', 'visible');
								}
								this.fireEvent('hide', this.element);
								this.callChain();
							}.bind(this));
							if (hideThese) hideThese.setStyle('visibility', 'hidden');
							this.start(zero);
						} else {
							this.callChain.delay(10, this);
							this.fireEvent('complete', this.element);
							this.fireEvent('hide', this.element);
						}
					} else if (this.options.link == 'chain'){
						this.chain(this.dissolve.bind(this));
					} else if (this.options.link == 'cancel' && !this.hiding){
						this.cancel();
						this.dissolve();
					}
				} catch(e){
					this.hiding = false;
					this.element.setStyle('display', 'none');
					this.callChain.delay(10, this);
					this.fireEvent('complete', this.element);
					this.fireEvent('hide', this.element);
				}
				return this;
			},

			reveal: function(){
				try {
					if (!this.showing && !this.hiding){
						if (this.element.getStyle('display') == 'none' ||
							 this.element.getStyle('visiblity') == 'hidden' ||
							 this.element.getStyle('opacity') == 0){
							this.showing = true;
							this.hiding = false;
							this.hidden = false;
							var setToAuto, startStyles;
							//toggle display, but hide it
							this.element.measure(function(){
								setToAuto = (this.element.style.height === '' || this.element.style.height == 'auto');
								//create the styles for the opened/visible state
								startStyles = this.element.getComputedSize({
									styles: this.options.styles,
									mode: this.options.mode
								});
							}.bind(this));
							$each(startStyles, function(style, name){
								startStyles[name] = style;
							});
							//if we're overridding height/width
							if ($chk(this.options.heightOverride)) startStyles.height = this.options.heightOverride.toInt();
							if ($chk(this.options.widthOverride)) startStyles.width = this.options.widthOverride.toInt();
							if (this.options.transitionOpacity) {
								this.element.setStyle('opacity', 0);
								startStyles.opacity = 1;
							}
							//create the zero state for the beginning of the transition
							var zero = {
								height: 0,
								display: this.options.display
							};
							$each(startStyles, function(style, name){ zero[name] = 0; });
							var overflowBefore = this.element.getStyle('overflow');
							//set to zero
							this.element.setStyles($merge(zero, {overflow: 'hidden'}));
							//hide inputs
							var hideThese = this.options.hideInputs ? this.element.getElements(this.options.hideInputs) : null;
							if (hideThese) hideThese.setStyle('visibility', 'hidden');
							//start the effect
							this.start(startStyles);
							this.$chain.unshift(function(){
								this.element.setStyle('overflow', overflowBefore);
								if (!this.options.heightOverride && setToAuto){
									if (['vertical', 'both'].contains(this.options.mode)) this.element.style.height = '';
									if (['width', 'both'].contains(this.options.mode)) this.element.style.width = '';
								}
								if (!this.hidden) this.showing = false;
								if (hideThese) hideThese.setStyle('visibility', 'visible');
								this.callChain();
								this.fireEvent('show', this.element);
							}.bind(this));
						} else {
							this.callChain();
							this.fireEvent('complete', this.element);
							this.fireEvent('show', this.element);
						}
					} else if (this.options.link == 'chain'){
						this.chain(this.reveal.bind(this));
					} else if (this.options.link == 'cancel' && !this.showing){
						this.cancel();
						this.reveal();
					}
				} catch(e){
					this.element.setStyles({
						display: this.options.display,
						visiblity: 'visible',
						opacity: 1
					});
					this.showing = false;
					this.callChain.delay(10, this);
					this.fireEvent('complete', this.element);
					this.fireEvent('show', this.element);
				}
				return this;
			},

			toggle: function(){
				if (this.element.getStyle('display') == 'none' ||
					 this.element.getStyle('visiblity') == 'hidden' ||
					 this.element.getStyle('opacity') == 0){
					this.reveal();
				} else {
					this.dissolve();
				}
				return this;
			}

});

Element.Properties.reveal = {

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

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

};

Element.Properties.dissolve = Element.Properties.reveal;

Element.implement({

			reveal: function(options){
				this.get('reveal', options).reveal();
				return this;
			},

			dissolve: function(options){
				this.get('reveal', options).dissolve();
				return this;
			},

			nix: function(){
				var params = Array.link(arguments, {destroy: Boolean.type, options: Object.type});
				this.get('reveal', params.options).dissolve().chain(function(){
					this[params.destroy ? 'destroy' : 'dispose']();
				}.bind(this));
				return this;
			},

			wink: function(){
				var params = Array.link(arguments, {duration: Number.type, options: Object.type});
				var reveal = this.get('reveal', params.options);
				reveal.reveal().chain(function(){
					(function(){
						reveal.dissolve();
					}).delay(params.duration || 2000);
				});
			}


});
	/*
	Script: Drag.js
		The base Drag Class. Can be used to drag and resize Elements using mouse events.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
			Tom Occhinno
			Jan Kassens
	*/

	var Drag = new Class({

		Implements: [Events, Options],

		options: {/*
			onBeforeStart: $empty(thisElement),
			onStart: $empty(thisElement, event),
			onSnap: $empty(thisElement)
			onDrag: $empty(thisElement, event),
			onCancel: $empty(thisElement),
			onComplete: $empty(thisElement, event),*/
			snap: 6,
			unit: 'px',
			grid: false,
			style: true,
			limit: false,
			handle: false,
			invert: false,
			preventDefault: false,
			modifiers: {x: 'left', y: 'top'}
		},

		initialize: function(){
			var params = Array.link(arguments, {'options': Object.type, 'element': $defined});
			this.element = document.id(params.element);
			this.document = this.element.getDocument();
			this.setOptions(params.options || {});
			var htype = $type(this.options.handle);
			this.handles = ((htype == 'array' || htype == 'collection') ? $$(this.options.handle) : document.id(this.options.handle)) || this.element;
			this.mouse = {'now': {}, 'pos': {}};
			this.value = {'start': {}, 'now': {}};

			this.selection = (Browser.Engine.trident) ? 'selectstart' : 'mousedown';

			this.bound = {
				start: this.start.bind(this),
				check: this.check.bind(this),
				drag: this.drag.bind(this),
				stop: this.stop.bind(this),
				cancel: this.cancel.bind(this),
				eventStop: $lambda(false)
			};
			this.attach();
		},

		attach: function(){
			this.handles.addEvent('mousedown', this.bound.start);
			return this;
		},

		detach: function(){
			this.handles.removeEvent('mousedown', this.bound.start);
			return this;
		},

		start: function(event){
			if (this.options.preventDefault) event.preventDefault();
			this.mouse.start = event.page;
			this.fireEvent('beforeStart', this.element);
			var limit = this.options.limit;
			this.limit = {x: [], y: []};
			for (var z in this.options.modifiers){
				if (!this.options.modifiers[z]) continue;
				if (this.options.style) this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();
				else this.value.now[z] = this.element[this.options.modifiers[z]];
				if (this.options.invert) this.value.now[z] *= -1;
				this.mouse.pos[z] = event.page[z] - this.value.now[z];
				if (limit && limit[z]){
					for (var i = 2; i--; i){
						if ($chk(limit[z][i])) this.limit[z][i] = $lambda(limit[z][i])();
					}
				}
			}
			if ($type(this.options.grid) == 'number') this.options.grid = {x: this.options.grid, y: this.options.grid};
			this.document.addEvents({mousemove: this.bound.check, mouseup: this.bound.cancel});
			this.document.addEvent(this.selection, this.bound.eventStop);
		},

		check: function(event){
			if (this.options.preventDefault) event.preventDefault();
			var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));
			if (distance > this.options.snap){
				this.cancel();
				this.document.addEvents({
					mousemove: this.bound.drag,
					mouseup: this.bound.stop
				});
				this.fireEvent('start', [this.element, event]).fireEvent('snap', this.element);
			}
		},

		drag: function(event){
			if (this.options.preventDefault) event.preventDefault();
			this.mouse.now = event.page;
			for (var z in this.options.modifiers){
				if (!this.options.modifiers[z]) continue;
				this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];
				if (this.options.invert) this.value.now[z] *= -1;
				if (this.options.limit && this.limit[z]){
					if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){
						this.value.now[z] = this.limit[z][1];
					} else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){
						this.value.now[z] = this.limit[z][0];
					}
				}
				if (this.options.grid[z]) this.value.now[z] -= ((this.value.now[z] - (this.limit[z][0]||0)) % this.options.grid[z]);
				if (this.options.style) this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);
				else this.element[this.options.modifiers[z]] = this.value.now[z];
			}
			this.fireEvent('drag', [this.element, event]);
		},

		cancel: function(event){
			this.document.removeEvent('mousemove', this.bound.check);
			this.document.removeEvent('mouseup', this.bound.cancel);
			if (event){
				this.document.removeEvent(this.selection, this.bound.eventStop);
				this.fireEvent('cancel', this.element);
			}
		},

		stop: function(event){
			this.document.removeEvent(this.selection, this.bound.eventStop);
			this.document.removeEvent('mousemove', this.bound.drag);
			this.document.removeEvent('mouseup', this.bound.stop);
			if (event) this.fireEvent('complete', [this.element, event]);
		}

	});

	Element.implement({

		makeResizable: function(options){
			var drag = new Drag(this, $merge({modifiers: {x: 'width', y: 'height'}}, options));
			this.store('resizer', drag);
			return drag.addEvent('drag', function(){
				this.fireEvent('resize', drag);
			}.bind(this));
		}

	});


	/*
	Script: Drag.Move.js
		A Drag extension that provides support for the constraining of draggables to containers and droppables.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
			Tom Occhinno
			Jan Kassens*/

	Drag.Move = new Class({

		Extends: Drag,

		options: {/*
			onEnter: $empty(thisElement, overed),
			onLeave: $empty(thisElement, overed),
			onDrop: $empty(thisElement, overed, event),*/
			droppables: [],
			container: false,
			precalculate: false,
			includeMargins: true,
			checkDroppables: true
		},

		initialize: function(element, options){
			this.parent(element, options);
			this.droppables = $$(this.options.droppables);
			this.container = document.id(this.options.container);
			if (this.container && $type(this.container) != 'element') this.container = document.id(this.container.getDocument().body);

			var position = this.element.getStyle('position');
			if (position=='static') position = 'absolute';
			if ([this.element.getStyle('left'), this.element.getStyle('top')].contains('auto')) this.element.position(this.element.getPosition(this.element.offsetParent));
			this.element.setStyle('position', position);

			this.addEvent('start', this.checkDroppables, true);

			this.overed = null;
		},

		start: function(event){
			if (this.container){
				var ccoo = this.container.getCoordinates(this.element.getOffsetParent()), cbs = {}, ems = {};

				['top', 'right', 'bottom', 'left'].each(function(pad){
					cbs[pad] = this.container.getStyle('border-' + pad).toInt();
					ems[pad] = this.element.getStyle('margin-' + pad).toInt();
				}, this);

				var width = this.element.offsetWidth + ems.left + ems.right;
				var height = this.element.offsetHeight + ems.top + ems.bottom;

				if (this.options.includeMargins) {
					$each(ems, function(value, key) {
						ems[key] = 0;
					});
				}
				if (this.container == this.element.getOffsetParent()) {
					this.options.limit = {
						x: [0 - ems.left, ccoo.right - cbs.left - cbs.right - width + ems.right],
						y: [0 - ems.top, ccoo.bottom - cbs.top - cbs.bottom - height + ems.bottom]
					};
				} else {
					this.options.limit = {
						x: [ccoo.left + cbs.left - ems.left, ccoo.right - cbs.right - width + ems.right],
						y: [ccoo.top + cbs.top - ems.top, ccoo.bottom - cbs.bottom - height + ems.bottom]
					};
				}

			}
			if (this.options.precalculate){
				this.positions = this.droppables.map(function(el) {
					return el.getCoordinates();
				});
			}
			this.parent(event);
		},

		checkAgainst: function(el, i){
			el = (this.positions) ? this.positions[i] : el.getCoordinates();
			var now = this.mouse.now;
			return (now.x > el.left && now.x < el.right && now.y < el.bottom && now.y > el.top);
		},

		checkDroppables: function(){
			var overed = this.droppables.filter(this.checkAgainst, this).getLast();
			if (this.overed != overed){
				if (this.overed) this.fireEvent('leave', [this.element, this.overed]);
				if (overed) this.fireEvent('enter', [this.element, overed]);
				this.overed = overed;
			}
		},

		drag: function(event){
			this.parent(event);
			if (this.options.checkDroppables && this.droppables.length) this.checkDroppables();
		},

		stop: function(event){
			this.checkDroppables();
			this.fireEvent('drop', [this.element, this.overed, event]);
			this.overed = null;
			return this.parent(event);
		}

	});

	Element.implement({

		makeDraggable: function(options){
			var drag = new Drag.Move(this, options);
			this.store('dragger', drag);
			return drag;
		}

	});


	/*
	Script: Slider.js
		Class for creating horizontal and vertical slider controls.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	var Slider = new Class({

		Implements: [Events, Options],

		Binds: ['clickedElement', 'draggedKnob', 'scrolledElement'],

		options: {/*
			onTick: $empty(intPosition),
			onChange: $empty(intStep),
			onComplete: $empty(strStep),*/
			onTick: function(position){
				if (this.options.snap) position = this.toPosition(this.step);
				this.knob.setStyle(this.property, position);
			},
			snap: false,
			offset: 0,
			range: false,
			wheel: false,
			steps: 100,
			mode: 'horizontal'
		},

		initialize: function(element, knob, options){
			this.setOptions(options);
			this.element = document.id(element);
			this.knob = document.id(knob);
			this.previousChange = this.previousEnd = this.step = -1;
			var offset, limit = {}, modifiers = {'x': false, 'y': false};
			switch (this.options.mode){
				case 'vertical':
					this.axis = 'y';
					this.property = 'top';
					offset = 'offsetHeight';
					break;
				case 'horizontal':
					this.axis = 'x';
					this.property = 'left';
					offset = 'offsetWidth';
			}
			this.half = this.knob[offset] / 2;
			this.full = this.element[offset] - this.knob[offset] + (this.options.offset * 2);
			this.min = $chk(this.options.range[0]) ? this.options.range[0] : 0;
			this.max = $chk(this.options.range[1]) ? this.options.range[1] : this.options.steps;
			this.range = this.max - this.min;
			this.steps = this.options.steps || this.full;
			this.stepSize = Math.abs(this.range) / this.steps;
			this.stepWidth = this.stepSize * this.full / Math.abs(this.range) ;

			this.knob.setStyle('position', 'relative').setStyle(this.property, - this.options.offset);
			modifiers[this.axis] = this.property;
			limit[this.axis] = [- this.options.offset, this.full - this.options.offset];

			this.bound = {
				clickedElement: this.clickedElement.bind(this),
				scrolledElement: this.scrolledElement.bindWithEvent(this),
				draggedKnob: this.draggedKnob.bind(this)
			};

			var dragOptions = {
				snap: 0,
				limit: limit,
				modifiers: modifiers,
				onDrag: this.bound.draggedKnob,
				onStart: this.bound.draggedKnob,
				onBeforeStart: (function(){
					this.isDragging = true;
				}).bind(this),
				onComplete: function(){
					this.isDragging = false;
					this.draggedKnob();
					this.end();
				}.bind(this)
			};
			if (this.options.snap){
				dragOptions.grid = Math.ceil(this.stepWidth);
				dragOptions.limit[this.axis][1] = this.full;
			}

			this.drag = new Drag(this.knob, dragOptions);
			this.attach();
		},

		attach: function(){
			this.element.addEvent('mousedown', this.bound.clickedElement);
			if (this.options.wheel) this.element.addEvent('mousewheel', this.bound.scrolledElement);
			this.drag.attach();
			return this;
		},

		detach: function(){
			this.element.removeEvent('mousedown', this.bound.clickedElement);
			this.element.removeEvent('mousewheel', this.bound.scrolledElement);
			this.drag.detach();
			return this;
		},

		set: function(step){
			if (!((this.range > 0) ^ (step < this.min))) step = this.min;
			if (!((this.range > 0) ^ (step > this.max))) step = this.max;

			this.step = Math.round(step);
			this.checkStep();
			this.fireEvent('tick', this.toPosition(this.step));
			this.end();
			return this;
		},

		clickedElement: function(event){
			if (this.isDragging || event.target == this.knob) return;

			var dir = this.range < 0 ? -1 : 1;
			var position = event.page[this.axis] - this.element.getPosition()[this.axis] - this.half;
			position = position.limit(-this.options.offset, this.full -this.options.offset);

			this.step = Math.round(this.min + dir * this.toStep(position));
			this.checkStep();
			this.fireEvent('tick', position);
			this.end();
		},

		scrolledElement: function(event){
			var mode = (this.options.mode == 'horizontal') ? (event.wheel < 0) : (event.wheel > 0);
			this.set(mode ? this.step - this.stepSize : this.step + this.stepSize);
			event.stop();
		},

		draggedKnob: function(){
			var dir = this.range < 0 ? -1 : 1;
			var position = this.drag.value.now[this.axis];
			position = position.limit(-this.options.offset, this.full -this.options.offset);
			this.step = Math.round(this.min + dir * this.toStep(position));
			this.checkStep();
		},

		checkStep: function(){
			if (this.previousChange != this.step){
				this.previousChange = this.step;
				this.fireEvent('change', this.step);
			}
		},

		end: function(){
			if (this.previousEnd !== this.step){
				this.previousEnd = this.step;
				this.fireEvent('complete', this.step + '');
			}
		},

		toStep: function(position){
			var step = (position + this.options.offset) * this.stepSize / this.full * this.steps;
			return this.options.steps ? Math.round(step -= step % this.stepSize) : step;
		},

		toPosition: function(step){
			return (this.full * Math.abs(this.min - step)) / (this.steps * this.stepSize) - this.options.offset;
		}

	});

	/*
	Script: Sortables.js
		Class for creating a drag and drop sorting interface for lists of items.

		License:
			MIT-style license.

		Authors:
			Tom Occhino
	*/

	var Sortables = new Class({

		Implements: [Events, Options],

		options: {/*
			onSort: $empty(element, clone),
			onStart: $empty(element, clone),
			onComplete: $empty(element),*/
			snap: 4,
			opacity: 1,
			clone: false,
			revert: false,
			handle: false,
			constrain: false
		},

		initialize: function(lists, options){
			this.setOptions(options);
			this.elements = [];
			this.lists = [];
			this.idle = true;

			this.addLists($$(document.id(lists) || lists));
			if (!this.options.clone) this.options.revert = false;
			if (this.options.revert) this.effect = new Fx.Morph(null, $merge({duration: 250, link: 'cancel'}, this.options.revert));
		},

		attach: function(){
			this.addLists(this.lists);
			return this;
		},

		detach: function(){
			this.lists = this.removeLists(this.lists);
			return this;
		},

		addItems: function(){
			Array.flatten(arguments).each(function(element){
				this.elements.push(element);
				var start = element.retrieve('sortables:start', this.start.bindWithEvent(this, element));
				(this.options.handle ? element.getElement(this.options.handle) || element : element).addEvent('mousedown', start);
			}, this);
			return this;
		},

		addLists: function(){
			Array.flatten(arguments).each(function(list){
				this.lists.push(list);
				this.addItems(list.getChildren());
			}, this);
			return this;
		},

		removeItems: function(){
			return $$(Array.flatten(arguments).map(function(element){
				this.elements.erase(element);
				var start = element.retrieve('sortables:start');
				(this.options.handle ? element.getElement(this.options.handle) || element : element).removeEvent('mousedown', start);
				
				return element;
			}, this));
		},

		removeLists: function(){
			return $$(Array.flatten(arguments).map(function(list){
				this.lists.erase(list);
				this.removeItems(list.getChildren());
				
				return list;
			}, this));
		},

		getClone: function(event, element){
			if (!this.options.clone) return new Element('div').inject(document.body);
			if ($type(this.options.clone) == 'function') return this.options.clone.call(this, event, element, this.list);
			return element.clone(true).setStyles({
				margin: '0px',
				position: 'absolute',
				visibility: 'hidden',
				'width': element.getStyle('width')
			}).inject(this.list).position(element.getPosition(element.getOffsetParent()));
		},

		getDroppables: function(){
			var droppables = this.list.getChildren();
			if (!this.options.constrain) droppables = this.lists.concat(droppables).erase(this.list);
			return droppables.erase(this.clone).erase(this.element);
		},

		insert: function(dragging, element){
			var where = 'inside';
			if (this.lists.contains(element)){
				this.list = element;
				this.drag.droppables = this.getDroppables();
			} else {
				where = this.element.getAllPrevious().contains(element) ? 'before' : 'after';
			}
			this.element.inject(element, where);
			this.fireEvent('sort', [this.element, this.clone]);
		},

		start: function(event, element){
			if (!this.idle) return;
			this.idle = false;
			this.element = element;
			this.opacity = element.get('opacity');
			this.list = element.getParent();
			this.clone = this.getClone(event, element);

			this.drag = new Drag.Move(this.clone, {
				snap: this.options.snap,
				container: this.options.constrain && this.element.getParent(),
				droppables: this.getDroppables(),
				onSnap: function(){
					event.stop();
					this.clone.setStyle('visibility', 'visible');
					this.element.set('opacity', this.options.opacity || 0);
					this.fireEvent('start', [this.element, this.clone]);
				}.bind(this),
				onEnter: this.insert.bind(this),
				onCancel: this.reset.bind(this),
				onComplete: this.end.bind(this)
			});

			this.clone.inject(this.element, 'before');
			this.drag.start(event);
		},

		end: function(){
			this.drag.detach();
			this.element.set('opacity', this.opacity);
			if (this.effect){
				var dim = this.element.getStyles('width', 'height');
				var pos = this.clone.computePosition(this.element.getPosition(this.clone.offsetParent));
				this.effect.element = this.clone;
				this.effect.start({
					top: pos.top,
					left: pos.left,
					width: dim.width,
					height: dim.height,
					opacity: 0.25
				}).chain(this.reset.bind(this));
			} else {
				this.reset();
			}
		},

		reset: function(){
			this.idle = true;
			this.clone.destroy();
			this.fireEvent('complete', this.element);
		},

		serialize: function(){
			var params = Array.link(arguments, {modifier: Function.type, index: $defined});
			var serial = this.lists.map(function(list){
				return list.getChildren().map(params.modifier || function(element){
					return element.get('id');
				}, this);
			}, this);

			var index = params.index;
			if (this.lists.length == 1) index = 0;
			return $chk(index) && index >= 0 && index < this.lists.length ? serial[index] : serial;
		}

	});


	/*
	Script: Assets.js
		Provides methods to dynamically load JavaScript, CSS, and Image files into the document.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	var Asset = {

		javascript: function(source, properties){
			properties = $extend({
				onload: $empty,
				document: document,
				check: $lambda(true)
			}, properties);

			var script = new Element('script', {src: source, type: 'text/javascript'});

			var load = properties.onload.bind(script), check = properties.check, doc = properties.document;
			delete properties.onload; delete properties.check; delete properties.document;

			script.addEvents({
				load: load,
				readystatechange: function(){
					if (['loaded', 'complete'].contains(this.readyState)) load();
				}
			}).set(properties);

			if (Browser.Engine.webkit419) var checker = (function(){
				if (!$try(check)) return;
				$clear(checker);
				load();
			}).periodical(50);

			return script.inject(doc.head);
		},

		css: function(source, properties){
			return new Element('link', $merge({
				rel: 'stylesheet', media: 'screen', type: 'text/css', href: source
			}, properties)).inject(document.head);
		},

		image: function(source, properties){
			properties = $merge({
				onload: $empty,
				onabort: $empty,
				onerror: $empty
			}, properties);
			var image = new Image();
			var element = document.id(image) || new Element('img');
			['load', 'abort', 'error'].each(function(name){
				var type = 'on' + name;
				var event = properties[type];
				delete properties[type];
				image[type] = function(){
					if (!image) return;
					if (!element.parentNode){
						element.width = image.width;
						element.height = image.height;
					}
					image = image.onload = image.onabort = image.onerror = null;
					event.delay(1, element, element);
					element.fireEvent(name, element, 1);
				};
			});
			image.src = element.src = source;
			if (image && image.complete) image.onload.delay(1);
			return element.set(properties);
		},

		images: function(sources, options){
			options = $merge({
				onComplete: $empty,
				onProgress: $empty,
				onError: $empty,
				properties: {}
			}, options);
			sources = $splat(sources);
			var images = [];
			var counter = 0;
			return new Elements(sources.map(function(source){
				return Asset.image(source, $extend(options.properties, {
					onload: function(){
						options.onProgress.call(this, counter, sources.indexOf(source));
						counter++;
						if (counter == sources.length) options.onComplete();
					},
					onerror: function(){
						options.onError.call(this, counter, sources.indexOf(source));
						counter++;
						if (counter == sources.length) options.onComplete();
					}
				}));
			}));
		}

	};

	/*
	Script: Color.js
		Class for creating and manipulating colors in JavaScript. Supports HSB -> RGB Conversions and vice versa.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	var Color = new Native({

		initialize: function(color, type){
			if (arguments.length >= 3){
				type = 'rgb'; color = Array.slice(arguments, 0, 3);
			} else if (typeof color == 'string'){
				if (color.match(/rgb/)) color = color.rgbToHex().hexToRgb(true);
				else if (color.match(/hsb/)) color = color.hsbToRgb();
				else color = color.hexToRgb(true);
			}
			type = type || 'rgb';
			switch (type){
				case 'hsb':
					var old = color;
					color = color.hsbToRgb();
					color.hsb = old;
				break;
				case 'hex': color = color.hexToRgb(true); break;
			}
			color.rgb = color.slice(0, 3);
			color.hsb = color.hsb || color.rgbToHsb();
			color.hex = color.rgbToHex();
			return $extend(color, this);
		}

	});

	Color.implement({

		mix: function(){
			var colors = Array.slice(arguments);
			var alpha = ($type(colors.getLast()) == 'number') ? colors.pop() : 50;
			var rgb = this.slice();
			colors.each(function(color){
				color = new Color(color);
				for (var i = 0; i < 3; i++) rgb[i] = Math.round((rgb[i] / 100 * (100 - alpha)) + (color[i] / 100 * alpha));
			});
			return new Color(rgb, 'rgb');
		},

		invert: function(){
			return new Color(this.map(function(value){
				return 255 - value;
			}));
		},

		setHue: function(value){
			return new Color([value, this.hsb[1], this.hsb[2]], 'hsb');
		},

		setSaturation: function(percent){
			return new Color([this.hsb[0], percent, this.hsb[2]], 'hsb');
		},

		setBrightness: function(percent){
			return new Color([this.hsb[0], this.hsb[1], percent], 'hsb');
		}

	});

	var $RGB = function(r, g, b){
		return new Color([r, g, b], 'rgb');
	};

	var $HSB = function(h, s, b){
		return new Color([h, s, b], 'hsb');
	};

	var $HEX = function(hex){
		return new Color(hex, 'hex');
	};

	Array.implement({

		rgbToHsb: function(){
			var red = this[0], green = this[1], blue = this[2];
			var hue, saturation, brightness;
			var max = Math.max(red, green, blue), min = Math.min(red, green, blue);
			var delta = max - min;
			brightness = max / 255;
			saturation = (max != 0) ? delta / max : 0;
			if (saturation == 0){
				hue = 0;
			} else {
				var rr = (max - red) / delta;
				var gr = (max - green) / delta;
				var br = (max - blue) / delta;
				if (red == max) hue = br - gr;
				else if (green == max) hue = 2 + rr - br;
				else hue = 4 + gr - rr;
				hue /= 6;
				if (hue < 0) hue++;
			}
			return [Math.round(hue * 360), Math.round(saturation * 100), Math.round(brightness * 100)];
		},

		hsbToRgb: function(){
			var br = Math.round(this[2] / 100 * 255);
			if (this[1] == 0){
				return [br, br, br];
			} else {
				var hue = this[0] % 360;
				var f = hue % 60;
				var p = Math.round((this[2] * (100 - this[1])) / 10000 * 255);
				var q = Math.round((this[2] * (6000 - this[1] * f)) / 600000 * 255);
				var t = Math.round((this[2] * (6000 - this[1] * (60 - f))) / 600000 * 255);
				switch (Math.floor(hue / 60)){
					case 0: return [br, t, p];
					case 1: return [q, br, p];
					case 2: return [p, br, t];
					case 3: return [p, q, br];
					case 4: return [t, p, br];
					case 5: return [br, p, q];
				}
			}
			return false;
		}

	});

	String.implement({

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

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

	});


	/*
	Script: Group.js
		Class for monitoring collections of events

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	var Group = new Class({

		initialize: function(){
			this.instances = Array.flatten(arguments);
			this.events = {};
			this.checker = {};
		},

		addEvent: function(type, fn){
			this.checker[type] = this.checker[type] || {};
			this.events[type] = this.events[type] || [];
			if (this.events[type].contains(fn)) return false;
			else this.events[type].push(fn);
			this.instances.each(function(instance, i){
				instance.addEvent(type, this.check.bind(this, [type, instance, i]));
			}, this);
			return this;
		},

		check: function(type, instance, i){
			this.checker[type][i] = true;
			var every = this.instances.every(function(current, j){
				return this.checker[type][j] || false;
			}, this);
			if (!every) return;
			this.checker[type] = {};
			this.events[type].each(function(event){
				event.call(this, this.instances, instance);
			}, this);
		}

	});


	/*
	Script: Hash.Cookie.js
		Class for creating, reading, and deleting Cookies in JSON format.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
			Aaron Newton
	*/

	Hash.Cookie = new Class({

		Extends: Cookie,

		options: {
			autoSave: true
		},

		initialize: function(name, options){
			this.parent(name, options);
			this.load();
		},

		save: function(){
			var value = JSON.encode(this.hash);
			if (!value || value.length > 4096) return false; //cookie would be truncated!
			if (value == '{}') this.dispose();
			else this.write(value);
			return true;
		},

		load: function(){
			this.hash = new Hash(JSON.decode(this.read(), true));
			return this;
		}

	});

	Hash.each(Hash.prototype, function(method, name){
		if (typeof method == 'function') Hash.Cookie.implement(name, function(){
			var value = method.apply(this.hash, arguments);
			if (this.options.autoSave) this.save();
			return value;
		});
	});

	/*
	Script: Scroller.js
		Class which scrolls the contents of any Element (including the window) when the mouse reaches the Element's boundaries.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
	*/

	var Scroller = new Class({

		Implements: [Events, Options],

		options: {
			area: 20,
			velocity: 1,
			onChange: function(x, y){
				this.element.scrollTo(x, y);
			},
			fps: 50
		},

		initialize: function(element, options){
			this.setOptions(options);
			this.element = document.id(element);
			this.listener = ($type(this.element) != 'element') ? document.id(this.element.getDocument().body) : this.element;
			this.timer = null;
			this.bound = {
				attach: this.attach.bind(this),
				detach: this.detach.bind(this),
				getCoords: this.getCoords.bind(this)
			};
		},

		start: function(){
			this.listener.addEvents({
				mouseenter: this.bound.attach,
				mouseleave: this.bound.detach
			});
		},

		stop: function(){
			this.listener.removeEvents({
				mouseenter: this.bound.attach,
				mouseleave: this.bound.detach
			});
			this.timer = $clear(this.timer);
		},

		attach: function(){
			this.listener.addEvent('mousemove', this.bound.getCoords);
		},

		detach: function(){
			this.listener.removeEvent('mousemove', this.bound.getCoords);
			this.timer = $clear(this.timer);
		},

		getCoords: function(event){
			this.page = (this.listener.get('tag') == 'body') ? event.client : event.page;
			if (!this.timer) this.timer = this.scroll.periodical(Math.round(1000 / this.options.fps), this);
		},

		scroll: function(){
			var size = this.element.getSize(), 
				scroll = this.element.getScroll(), 
				pos = this.element.getOffsets(), 
				scrollSize = this.element.getScrollSize(), 
				change = {x: 0, y: 0};
			for (var z in this.page){
				if (this.page[z] < (this.options.area + pos[z]) && scroll[z] != 0)
					change[z] = (this.page[z] - this.options.area - pos[z]) * this.options.velocity;
				else if (this.page[z] + this.options.area > (size[z] + pos[z]) && scroll[z] + size[z] != scrollSize[z])
					change[z] = (this.page[z] - size[z] + this.options.area - pos[z]) * this.options.velocity;
			}
			if (change.y || change.x) this.fireEvent('change', [scroll.x + change.x, scroll.y + change.y]);
		}

	});

	/*
	Script: Tips.js
		Class for creating nice tips that follow the mouse cursor when hovering an element.

		License:
			MIT-style license.

		Authors:
			Valerio Proietti
			Christoph Pojer
	*/

	var Tips = new Class({

		Implements: [Events, Options],

		options: {
			onShow: function(tip){
				tip.setStyle('visibility', 'visible');
			},
			onHide: function(tip){
				tip.setStyle('visibility', 'hidden');
			},
			title: 'title',
			text: function(el){
				return el.get('rel') || el.get('href');
			},
			showDelay: 100,
			hideDelay: 100,
			className: null,
			offset: {x: 16, y: 16},
			fixed: false
		},

		initialize: function(){
			var params = Array.link(arguments, {options: Object.type, elements: $defined});
			if (params.options && params.options.offsets) params.options.offset = params.options.offsets;
			this.setOptions(params.options);
			this.container = new Element('div', {'class': 'tip'});
			this.tip = this.getTip();
			
			if (params.elements) this.attach(params.elements);
		},

		getTip: function(){
			return new Element('div', {
				'class': this.options.className,
				styles: {
					visibility: 'hidden',
					display: 'none',
					position: 'absolute',
					top: 0,
					left: 0
				}
			}).adopt(
				new Element('div', {'class': 'tip-top'}),
				this.container,
				new Element('div', {'class': 'tip-bottom'})
			).inject(document.body);
		},

		attach: function(elements){
			var read = function(option, element){
				if (option == null) return '';
				return $type(option) == 'function' ? option(element) : element.get(option);
			};
			$$(elements).each(function(element){
				var title = read(this.options.title, element);
				element.erase('title').store('tip:native', title).retrieve('tip:title', title);
				element.retrieve('tip:text', read(this.options.text, element));
				
				var events = ['enter', 'leave'];
				if (!this.options.fixed) events.push('move');
				
				events.each(function(value){
					element.addEvent('mouse' + value, element.retrieve('tip:' + value, this['element' + value.capitalize()].bindWithEvent(this, element)));
				}, this);
			}, this);
			
			return this;
		},

		detach: function(elements){
			$$(elements).each(function(element){
				['enter', 'leave', 'move'].each(function(value){
					element.removeEvent('mouse' + value, element.retrieve('tip:' + value) || $empty);
				});
				
				element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');
				
				if ($type(this.options.title) == 'string' && this.options.title == 'title'){
					var original = element.retrieve('tip:native');
					if (original) element.set('title', original);
				}
			}, this);
			
			return this;
		},

		elementEnter: function(event, element){
			$A(this.container.childNodes).each(Element.dispose);
			
			['title', 'text'].each(function(value){
				var content = element.retrieve('tip:' + value);
				if (!content) return;
				
				this[value + 'Element'] = new Element('div', {'class': 'tip-' + value}).inject(this.container);
				this.fill(this[value + 'Element'], content);
			}, this);
			
			this.timer = $clear(this.timer);
			this.timer = this.show.delay(this.options.showDelay, this, element);
			this.tip.setStyle('display', 'block');
			this.position((!this.options.fixed) ? event : {page: element.getPosition()});
		},

		elementLeave: function(event, element){
			$clear(this.timer);
			this.tip.setStyle('display', 'none');
			this.timer = this.hide.delay(this.options.hideDelay, this, element);
		},

		elementMove: function(event){
			this.position(event);
		},

		position: function(event){
			var size = window.getSize(), scroll = window.getScroll(),
				tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight},
				props = {x: 'left', y: 'top'},
				obj = {};
			
			for (var z in props){
				obj[props[z]] = event.page[z] + this.options.offset[z];
				if ((obj[props[z]] + tip[z] - scroll[z]) > size[z]) obj[props[z]] = event.page[z] - this.options.offset[z] - tip[z];
			}
			
			this.tip.setStyles(obj);
		},

		fill: function(element, contents){
			if(typeof contents == 'string') element.set('html', contents);
			else element.adopt(contents);
		},

		show: function(el){
			this.fireEvent('show', [this.tip, el]);
		},

		hide: function(el){
			this.fireEvent('hide', [this.tip, el]);
		}

	});

	Element.implement({ 
		hide: function () {
			
				var params = Array.link(arguments, {options: Object.type, elt: $defined}),
				 elt = $$(params.elt || this), options = $extend({link: 'chain', transition: 'pow:in', duration: 500}, params.options),
				
				elts = elt.filter(function (e) { return e.getStyle('display') != 'none' });
				
				if(elts.length > 0) {
					
					var fx = new Fx.Elements(elts, options);
					
					var styles = [];
					var o = {};
					
					for(var i = 0; i < elts.length; i++) {

						styles[i] = {};
						['opacity', 'visibility'].each(function (k) { styles[i][k] = elts[i].get(k) });
						o[i] = {'opacity': 0};
					}
						
					fx.start(o).chain(function () { for(var i = 0; i < elts.length; i++) {
					
							styles[i]['display'] = 'none';
							elts[i].setStyles(styles[i]);
						}
					})
				}
				
				//allow chain
				return elt.length == 1 ? elt[0] : elt;
			},
		show: function () {
			
			var params = Array.link(arguments, {options: Object.type, elt: $defined}),
			 elt = $$(params.elt || this), options = $extend({link: 'chain', transition: 'pow:in', duration: 500}, params.options),
			
			 elts = elt.filter(function (e) { return e.getStyle('display') == 'none' });
			
			if(elts.length > 0) {
				
				var o = {};
				for(var i = 0; i < elts.length; i++) o[i] = {'opacity': elts[i].get('opacity')};
				
				new Fx.Elements(elts.setStyles({'opacity': 0, 'display': 'block', 'visibility': 'visible'}), options).start(o);
			}
			
			//allow chain
			return elt.length == 1 ? elt[0]: elt;
		}
		});
/*
Script: URI.js
	Provides methods useful in managing the window location and uris.

	License:
		MIT-style license.

	Authors:
		Sebastian Markbåge, Aaron Newton
*/

var URI = new Class({

	Implements: Options,

	options: {
		/*base: false*/
	},

	regex: /^(?:(\w+):)?(?:\/\/(?:(?:([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)?(\.\.?$|(?:[^?#\/]*\/)*)([^?#]*)(?:\?([^#]*))?(?:#(.*))?/,
	parts: ['scheme', 'user', 'password', 'host', 'port', 'directory', 'file', 'query', 'fragment'],
	schemes: {http: 80, https: 443, ftp: 21, rtsp: 554, mms: 1755, file: 0},

	initialize: function(uri, options){
		this.setOptions(options);
		var base = this.options.base || URI.base;
		if(!uri) uri = base;
		
		if (uri && uri.parsed) this.parsed = $unlink(uri.parsed);
		else this.set('value', uri.href || uri.toString(), base ? new URI(base) : false);
	},

	parse: function(value, base){
		var bits = value.match(this.regex);
		if (!bits) return false;
		bits.shift();
		return this.merge(bits.associate(this.parts), base);
	},

	merge: function(bits, base){
		if ((!bits || !bits.scheme) && (!base || !base.scheme)) return false;
		if (base){
			this.parts.every(function(part){
				if (bits[part]) return false;
				bits[part] = base[part] || '';
				return true;
			});
		}
		bits.port = bits.port || this.schemes[bits.scheme.toLowerCase()];
		bits.directory = bits.directory ? this.parseDirectory(bits.directory, base ? base.directory : '') : '/';
		return bits;
	},

	parseDirectory: function(directory, baseDirectory) {
		directory = (directory.substr(0, 1) == '/' ? '' : (baseDirectory || '/')) + directory;
		if (!directory.test(URI.regs.directoryDot)) return directory;
		var result = [];
		directory.replace(URI.regs.endSlash, '').split('/').each(function(dir){
			if (dir == '..' && result.length > 0) result.pop();
			else if (dir != '.') result.push(dir);
		});
		return result.join('/') + '/';
	},

	combine: function(bits){
		return bits.value || bits.scheme + '://' +
			(bits.user ? bits.user + (bits.password ? ':' + bits.password : '') + '@' : '') +
			(bits.host || '') + (bits.port && bits.port != this.schemes[bits.scheme] ? ':' + bits.port : '') +
			(bits.directory || '/') + (bits.file || '') +
			(bits.query ? '?' + bits.query : '') +
			(bits.fragment ? '#' + bits.fragment : '');
	},

	set: function(part, value, base){
		if (part == 'value'){
			var scheme = value.match(URI.regs.scheme);
			if (scheme) scheme = scheme[1];
			if (scheme && !$defined(this.schemes[scheme.toLowerCase()])) this.parsed = { scheme: scheme, value: value };
			else this.parsed = this.parse(value, (base || this).parsed) || (scheme ? { scheme: scheme, value: value } : { value: value });
		} else if (part == 'data') {
			this.setData(value);
		} else {
			this.parsed[part] = value;
		}
		return this;
	},

	get: function(part, base){
		switch(part){
			case 'value': return this.combine(this.parsed, base ? base.parsed : false);
			case 'data' : return this.getData();
		}
		return this.parsed[part] || null;
	},

	go: function(){
		document.location.href = this.toString();
	},

	toURI: function(){
		return this;
	},

	getData: function(key, part){
		var qs = this.get(part || 'query');
		if (!$chk(qs)) return key ? null : {};
		var obj = qs.parseQueryString();
		return key ? obj[key] : obj;
	},

	setData: function(values, merge, part){
		if ($type(arguments[0]) == 'string'){ 
			values = this.getData(); 
			values[arguments[0]] = arguments[1]; 
		} else if (merge) {
			values = $merge(this.getData(), values);
		}
		return this.set(part || 'query', Hash.toQueryString(values));
	},

	clearData: function(part){
		return this.set(part || 'query', '');
	}

});

['toString', 'valueOf'].each(function(method){
	URI.prototype[method] = function(){
		return this.get('value');
	};
});


URI.regs = {
	endSlash: /\/$/,
	scheme: /^(\w+):/,
	directoryDot: /\.\/|\.$/
};

URI.base = new URI(document.getElements('base[href]', true).getLast(), {base: document.location});

String.implement({

	toURI: function(options){
		return new URI(this, options);
	}

});
/*
Script: String.QueryString.js
	...

	License:
		MIT-style license.

	Authors:
		Sebastian Markbåge, Aaron Newton, Lennart Pilon, Valerio Proietti
*/

String.implement({

	parseQueryString: function(){
		var vars = this.split(/[&;]/), res = {};
		if (vars.length) vars.each(function(val){
			var index = val.indexOf('='),
				keys = index < 0 ? [''] : val.substr(0, index).match(/[^\]\[]+/g),
				value = decodeURIComponent(val.substr(index + 1)),
				obj = res;
			keys.each(function(key, i){
				var current = obj[key];
				if(i < keys.length - 1)
					obj = obj[key] = current || {};
				else if($type(current) == 'array')
					current.push(value);
				else
					obj[key] = $defined(current) ? [current, value] : value;
			});
		});
		return res;
	},

	cleanQueryString: function(method){
		return this.split('&').filter(function(val){
			var index = val.indexOf('='),
			key = index < 0 ? '' : val.substr(0, index),
			value = val.substr(index + 1);
			return method ? method.run([key, value]) : $chk(value);
		}).join('&');
	}

});