/media/system/js/mootools-core-uncompressed.js

/*
---
MooTools: the javascript framework

web build:
 - http://mootools.net/core/76bf47062d6c1983d66ce47ad66aa0e0

packager build:
 - packager build Core/Core Core/Array Core/String Core/Number Core/Function Core/Object Core/Event Core/Browser Core/Class Core/Class.Extras Core/Slick.Parser Core/Slick.Finder Core/Element Core/Element.Style Core/Element.Event Core/Element.Delegation Core/Element.Dimensions Core/Fx Core/Fx.CSS Core/Fx.Tween Core/Fx.Morph Core/Fx.Transitions Core/Request Core/Request.HTML Core/Request.JSON Core/Cookie Core/JSON Core/DOMReady Core/Swiff

...
*/

/*
---

name: Core

description: The heart of MooTools.

license: MIT-style license.

copyright: Copyright (c) 2006-2012 [Valerio Proietti](http://mad4milk.net/).

authors: The MooTools production team (http://mootools.net/developers/)

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

provides: [Core, MooTools, Type, typeOf, instanceOf, Native]

...
*/

(function(){

this.MooTools = {
	version: '1.4.5',
	build: '74e34796f5f76640cdb98853004650aea1499d69'
};

// typeOf, instanceOf

var typeOf = this.typeOf = function(item){
	if (item == null) return 'null';
	if (item.$family != null) return item.$family();

	if (item.nodeName){
		if (item.nodeType == 1) return 'element';
		if (item.nodeType == 3) return (/\S/).test(item.nodeValue) ? 'textnode' : 'whitespace';
	} else if (typeof item.length == 'number'){
		if (item.callee) return 'arguments';
		if ('item' in item) return 'collection';
	}

	return typeof item;
};

var instanceOf = this.instanceOf = function(item, object){
	if (item == null) return false;
	var constructor = item.$constructor || item.constructor;
	while (constructor){
		if (constructor === object) return true;
		constructor = constructor.parent;
	}
	/*<ltIE8>*/
	if (!item.hasOwnProperty) return false;
	/*</ltIE8>*/
	return item instanceof object;
};

// Function overloading

var Function = this.Function;

var enumerables = true;
for (var i in {toString: 1}) enumerables = null;
if (enumerables) enumerables = ['hasOwnProperty', 'valueOf', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'constructor'];

Function.prototype.overloadSetter = function(usePlural){
	var self = this;
	return function(a, b){
		if (a == null) return this;
		if (usePlural || typeof a != 'string'){
			for (var k in a) self.call(this, k, a[k]);
			if (enumerables) for (var i = enumerables.length; i--;){
				k = enumerables[i];
				if (a.hasOwnProperty(k)) self.call(this, k, a[k]);
			}
		} else {
			self.call(this, a, b);
		}
		return this;
	};
};

Function.prototype.overloadGetter = function(usePlural){
	var self = this;
	return function(a){
		var args, result;
		if (typeof a != 'string') args = a;
		else if (arguments.length > 1) args = arguments;
		else if (usePlural) args = [a];
		if (args){
			result = {};
			for (var i = 0; i < args.length; i++) result[args[i]] = self.call(this, args[i]);
		} else {
			result = self.call(this, a);
		}
		return result;
	};
};

Function.prototype.extend = function(key, value){
	this[key] = value;
}.overloadSetter();

Function.prototype.implement = function(key, value){
	this.prototype[key] = value;
}.overloadSetter();

// From

var slice = Array.prototype.slice;

Function.from = function(item){
	return (typeOf(item) == 'function') ? item : function(){
		return item;
	};
};

Array.from = function(item){
	if (item == null) return [];
	return (Type.isEnumerable(item) && typeof item != 'string') ? (typeOf(item) == 'array') ? item : slice.call(item) : [item];
};

Number.from = function(item){
	var number = parseFloat(item);
	return isFinite(number) ? number : null;
};

String.from = function(item){
	return item + '';
};

// hide, protect

Function.implement({

	hide: function(){
		this.$hidden = true;
		return this;
	},

	protect: function(){
		this.$protected = true;
		return this;
	}

});

// Type

var Type = this.Type = function(name, object){
	if (name){
		var lower = name.toLowerCase();
		var typeCheck = function(item){
			return (typeOf(item) == lower);
		};

		Type['is' + name] = typeCheck;
		if (object != null){
			object.prototype.$family = (function(){
				return lower;
			}).hide();
			
		}
	}

	if (object == null) return null;

	object.extend(this);
	object.$constructor = Type;
	object.prototype.$constructor = object;

	return object;
};

var toString = Object.prototype.toString;

Type.isEnumerable = function(item){
	return (item != null && typeof item.length == 'number' && toString.call(item) != '[object Function]' );
};

var hooks = {};

var hooksOf = function(object){
	var type = typeOf(object.prototype);
	return hooks[type] || (hooks[type] = []);
};

var implement = function(name, method){
	if (method && method.$hidden) return;

	var hooks = hooksOf(this);

	for (var i = 0; i < hooks.length; i++){
		var hook = hooks[i];
		if (typeOf(hook) == 'type') implement.call(hook, name, method);
		else hook.call(this, name, method);
	}

	var previous = this.prototype[name];
	if (previous == null || !previous.$protected) this.prototype[name] = method;

	if (this[name] == null && typeOf(method) == 'function') extend.call(this, name, function(item){
		return method.apply(item, slice.call(arguments, 1));
	});
};

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

Type.implement({

	implement: implement.overloadSetter(),

	extend: extend.overloadSetter(),

	alias: function(name, existing){
		implement.call(this, name, this.prototype[existing]);
	}.overloadSetter(),

	mirror: function(hook){
		hooksOf(this).push(hook);
		return this;
	}

});

new Type('Type', Type);

// Default Types

var force = function(name, object, methods){
	var isType = (object != Object),
		prototype = object.prototype;

	if (isType) object = new Type(name, object);

	for (var i = 0, l = methods.length; i < l; i++){
		var key = methods[i],
			generic = object[key],
			proto = prototype[key];

		if (generic) generic.protect();
		if (isType && proto) object.implement(key, proto.protect());
	}

	if (isType){
		var methodsEnumerable = prototype.propertyIsEnumerable(methods[0]);
		object.forEachMethod = function(fn){
			if (!methodsEnumerable) for (var i = 0, l = methods.length; i < l; i++){
				fn.call(prototype, prototype[methods[i]], methods[i]);
			}
			for (var key in prototype) fn.call(prototype, prototype[key], key)
		};
	}

	return force;
};

force('String', String, [
	'charAt', 'charCodeAt', 'concat', 'indexOf', 'lastIndexOf', 'match', 'quote', 'replace', 'search',
	'slice', 'split', 'substr', 'substring', 'trim', 'toLowerCase', 'toUpperCase'
])('Array', Array, [
	'pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice',
	'indexOf', 'lastIndexOf', 'filter', 'forEach', 'every', 'map', 'some', 'reduce', 'reduceRight'
])('Number', Number, [
	'toExponential', 'toFixed', 'toLocaleString', 'toPrecision'
])('Function', Function, [
	'apply', 'call', 'bind'
])('RegExp', RegExp, [
	'exec', 'test'
])('Object', Object, [
	'create', 'defineProperty', 'defineProperties', 'keys',
	'getPrototypeOf', 'getOwnPropertyDescriptor', 'getOwnPropertyNames',
	'preventExtensions', 'isExtensible', 'seal', 'isSealed', 'freeze', 'isFrozen'
])('Date', Date, ['now']);

Object.extend = extend.overloadSetter();

Date.extend('now', function(){
	return +(new Date);
});

new Type('Boolean', Boolean);

// fixes NaN returning as Number

Number.prototype.$family = function(){
	return isFinite(this) ? 'number' : 'null';
}.hide();

// Number.random

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

// forEach, each

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

Object.each = Object.forEach;

Array.implement({

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

	each: function(fn, bind){
		Array.forEach(this, fn, bind);
		return this;
	}

});

// Array & Object cloning, Object merging and appending

var cloneOf = function(item){
	switch (typeOf(item)){
		case 'array': return item.clone();
		case 'object': return Object.clone(item);
		default: return item;
	}
};

Array.implement('clone', function(){
	var i = this.length, clone = new Array(i);
	while (i--) clone[i] = cloneOf(this[i]);
	return clone;
});

var mergeOne = function(source, key, current){
	switch (typeOf(current)){
		case 'object':
			if (typeOf(source[key]) == 'object') Object.merge(source[key], current);
			else source[key] = Object.clone(current);
		break;
		case 'array': source[key] = current.clone(); break;
		default: source[key] = current;
	}
	return source;
};

Object.extend({

	merge: function(source, k, v){
		if (typeOf(k) == 'string') return mergeOne(source, k, v);
		for (var i = 1, l = arguments.length; i < l; i++){
			var object = arguments[i];
			for (var key in object) mergeOne(source, key, object[key]);
		}
		return source;
	},

	clone: function(object){
		var clone = {};
		for (var key in object) clone[key] = cloneOf(object[key]);
		return clone;
	},

	append: function(original){
		for (var i = 1, l = arguments.length; i < l; i++){
			var extended = arguments[i] || {};
			for (var key in extended) original[key] = extended[key];
		}
		return original;
	}

});

// Object-less types

['Object', 'WhiteSpace', 'TextNode', 'Collection', 'Arguments'].each(function(name){
	new Type(name);
});

// Unique ID

var UID = Date.now();

String.extend('uniqueID', function(){
	return (UID++).toString(36);
});



})();


/*
---

name: Array

description: Contains Array Prototypes like each, contains, and erase.

license: MIT-style license.

requires: Type

provides: Array

...
*/

Array.implement({

	/*<!ES5>*/
	every: function(fn, bind){
		for (var i = 0, l = this.length >>> 0; i < l; i++){
			if ((i in this) && !fn.call(bind, this[i], i, this)) return false;
		}
		return true;
	},

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

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

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

	some: function(fn, bind){
		for (var i = 0, l = this.length >>> 0; i < l; i++){
			if ((i in this) && fn.call(bind, this[i], i, this)) return true;
		}
		return false;
	},
	/*</!ES5>*/

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

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

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

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

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

	append: function(array){
		this.push.apply(this, array);
		return this;
	},

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

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

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

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

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

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

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

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

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

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

});




/*
---

name: String

description: Contains String Prototypes like camelCase, capitalize, test, and toInt.

license: MIT-style license.

requires: Type

provides: String

...
*/

String.implement({

	test: function(regex, params){
		return ((typeOf(regex) == 'regexp') ? regex : new RegExp('' + regex, params)).test(this);
	},

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

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

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

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

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

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

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

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

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

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

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

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

});


/*
---

name: Number

description: Contains Number Prototypes like limit, round, times, and ceil.

license: MIT-style license.

requires: Type

provides: Number

...
*/

Number.implement({

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

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

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

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

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

});

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

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


/*
---

name: Function

description: Contains Function Prototypes like create, bind, pass, and delay.

license: MIT-style license.

requires: Type

provides: Function

...
*/

Function.extend({

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

});

Function.implement({

	attempt: function(args, bind){
		try {
			return this.apply(bind, Array.from(args));
		} catch (e){}

		return null;
	},

	/*<!ES5-bind>*/
	bind: function(that){
		var self = this,
			args = arguments.length > 1 ? Array.slice(arguments, 1) : null,
			F = function(){};

		var bound = function(){
			var context = that, length = arguments.length;
			if (this instanceof bound){
				F.prototype = self.prototype;
				context = new F;
			}
			var result = (!args && !length)
				? self.call(context)
				: self.apply(context, args && length ? args.concat(Array.slice(arguments)) : args || arguments);
			return context == that ? result : context;
		};
		return bound;
	},
	/*</!ES5-bind>*/

	pass: function(args, bind){
		var self = this;
		if (args != null) args = Array.from(args);
		return function(){
			return self.apply(bind, args || arguments);
		};
	},

	delay: function(delay, bind, args){
		return setTimeout(this.pass((args == null ? [] : args), bind), delay);
	},

	periodical: function(periodical, bind, args){
		return setInterval(this.pass((args == null ? [] : args), bind), periodical);
	}

});




/*
---

name: Object

description: Object generic methods

license: MIT-style license.

requires: Type

provides: [Object, Hash]

...
*/

(function(){

var hasOwnProperty = Object.prototype.hasOwnProperty;

Object.extend({

	subset: function(object, keys){
		var results = {};
		for (var i = 0, l = keys.length; i < l; i++){
			var k = keys[i];
			if (k in object) results[k] = object[k];
		}
		return results;
	},

	map: function(object, fn, bind){
		var results = {};
		for (var key in object){
			if (hasOwnProperty.call(object, key)) results[key] = fn.call(bind, object[key], key, object);
		}
		return results;
	},

	filter: function(object, fn, bind){
		var results = {};
		for (var key in object){
			var value = object[key];
			if (hasOwnProperty.call(object, key) && fn.call(bind, value, key, object)) results[key] = value;
		}
		return results;
	},

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

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

	keys: function(object){
		var keys = [];
		for (var key in object){
			if (hasOwnProperty.call(object, key)) keys.push(key);
		}
		return keys;
	},

	values: function(object){
		var values = [];
		for (var key in object){
			if (hasOwnProperty.call(object, key)) values.push(object[key]);
		}
		return values;
	},

	getLength: function(object){
		return Object.keys(object).length;
	},

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

	contains: function(object, value){
		return Object.keyOf(object, value) != null;
	},

	toQueryString: function(object, base){
		var queryString = [];

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

		return queryString.join('&');
	}

});

})();




/*
---

name: Browser

description: The Browser Object. Contains Browser initialization, Window and Document, and the Browser Hash.

license: MIT-style license.

requires: [Array, Function, Number, String]

provides: [Browser, Window, Document]

...
*/

(function(){

var document = this.document;
var window = document.window = this;

var ua = navigator.userAgent.toLowerCase(),
	platform = navigator.platform.toLowerCase(),
	UA = ua.match(/(opera|ie|firefox|chrome|version)[\s\/:]([\w\d\.]+)?.*?(safari|version[\s\/:]([\w\d\.]+)|$)/) || [null, 'unknown', 0],
	mode = UA[1] == 'ie' && document.documentMode;

var Browser = this.Browser = {

	extend: Function.prototype.extend,

	name: (UA[1] == 'version') ? UA[3] : UA[1],

	version: mode || parseFloat((UA[1] == 'opera' && UA[4]) ? UA[4] : UA[2]),

	Platform: {
		name: ua.match(/ip(?:ad|od|hone)/) ? 'ios' : (ua.match(/(?:webos|android)/) || platform.match(/mac|win|linux/) || ['other'])[0]
	},

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

	Plugins: {}

};

Browser[Browser.name] = true;
Browser[Browser.name + parseInt(Browser.version, 10)] = true;
Browser.Platform[Browser.Platform.name] = true;

// Request

Browser.Request = (function(){

	var XMLHTTP = function(){
		return new XMLHttpRequest();
	};

	var MSXML2 = function(){
		return new ActiveXObject('MSXML2.XMLHTTP');
	};

	var MSXML = function(){
		return new ActiveXObject('Microsoft.XMLHTTP');
	};

	return Function.attempt(function(){
		XMLHTTP();
		return XMLHTTP;
	}, function(){
		MSXML2();
		return MSXML2;
	}, function(){
		MSXML();
		return MSXML;
	});

})();

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

// Flash detection

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

Browser.Plugins.Flash = {
	version: Number(version[0] || '0.' + version[1]) || 0,
	build: Number(version[2]) || 0
};

// String scripts

Browser.exec = function(text){
	if (!text) return text;
	if (window.execScript){
		window.execScript(text);
	} else {
		var script = document.createElement('script');
		script.setAttribute('type', 'text/javascript');
		script.text = text;
		document.head.appendChild(script);
		document.head.removeChild(script);
	}
	return text;
};

String.implement('stripScripts', function(exec){
	var scripts = '';
	var text = this.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(all, code){
		scripts += code + '\n';
		return '';
	});
	if (exec === true) Browser.exec(scripts);
	else if (typeOf(exec) == 'function') exec(scripts, text);
	return text;
});

// Window, Document

Browser.extend({
	Document: this.Document,
	Window: this.Window,
	Element: this.Element,
	Event: this.Event
});

this.Window = this.$constructor = new Type('Window', function(){});

this.$family = Function.from('window').hide();

Window.mirror(function(name, method){
	window[name] = method;
});

this.Document = document.$constructor = new Type('Document', function(){});

document.$family = Function.from('document').hide();

Document.mirror(function(name, method){
	document[name] = method;
});

document.html = document.documentElement;
if (!document.head) document.head = document.getElementsByTagName('head')[0];

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

/*<ltIE9>*/
if (this.attachEvent && !this.addEventListener){
	var unloadEvent = function(){
		this.detachEvent('onunload', unloadEvent);
		document.head = document.html = document.window = null;
	};
	this.attachEvent('onunload', unloadEvent);
}

// IE fails on collections and <select>.options (refers to <select>)
var arrayFrom = Array.from;
try {
	arrayFrom(document.html.childNodes);
} catch(e){
	Array.from = function(item){
		if (typeof item != 'string' && Type.isEnumerable(item) && typeOf(item) != 'array'){
			var i = item.length, array = new Array(i);
			while (i--) array[i] = item[i];
			return array;
		}
		return arrayFrom(item);
	};

	var prototype = Array.prototype,
		slice = prototype.slice;
	['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice'].each(function(name){
		var method = prototype[name];
		Array[name] = function(item){
			return method.apply(Array.from(item), slice.call(arguments, 1));
		};
	});
}
/*</ltIE9>*/



})();


/*
---

name: Event

description: Contains the Event Type, to make the event object cross-browser.

license: MIT-style license.

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

provides: Event

...
*/

(function() {

var _keys = {};

var DOMEvent = this.DOMEvent = new Type('DOMEvent', function(event, win){
	if (!win) win = window;
	event = event || win.event;
	if (event.$extended) return event;
	this.event = event;
	this.$extended = true;
	this.shift = event.shiftKey;
	this.control = event.ctrlKey;
	this.alt = event.altKey;
	this.meta = event.metaKey;
	var type = this.type = event.type;
	var target = event.target || event.srcElement;
	while (target && target.nodeType == 3) target = target.parentNode;
	this.target = document.id(target);

	if (type.indexOf('key') == 0){
		var code = this.code = (event.which || event.keyCode);
		this.key = _keys[code];
		if (type == 'keydown'){
			if (code > 111 && code < 124) this.key = 'f' + (code - 111);
			else if (code > 95 && code < 106) this.key = code - 96;
		}
		if (this.key == null) this.key = String.fromCharCode(code).toLowerCase();
	} else if (type == 'click' || type == 'dblclick' || type == 'contextmenu' || type == 'DOMMouseScroll' || type.indexOf('mouse') == 0){
		var doc = win.document;
		doc = (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
		this.page = {
			x: (event.pageX != null) ? event.pageX : event.clientX + doc.scrollLeft,
			y: (event.pageY != null) ? event.pageY : event.clientY + doc.scrollTop
		};
		this.client = {
			x: (event.pageX != null) ? event.pageX - win.pageXOffset : event.clientX,
			y: (event.pageY != null) ? event.pageY - win.pageYOffset : event.clientY
		};
		if (type == 'DOMMouseScroll' || type == 'mousewheel')
			this.wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;

		this.rightClick = (event.which == 3 || event.button == 2);
		if (type == 'mouseover' || type == 'mouseout'){
			var related = event.relatedTarget || event[(type == 'mouseover' ? 'from' : 'to') + 'Element'];
			while (related && related.nodeType == 3) related = related.parentNode;
			this.relatedTarget = document.id(related);
		}
	} else if (type.indexOf('touch') == 0 || type.indexOf('gesture') == 0){
		this.rotation = event.rotation;
		this.scale = event.scale;
		this.targetTouches = event.targetTouches;
		this.changedTouches = event.changedTouches;
		var touches = this.touches = event.touches;
		if (touches && touches[0]){
			var touch = touches[0];
			this.page = {x: touch.pageX, y: touch.pageY};
			this.client = {x: touch.clientX, y: touch.clientY};
		}
	}

	if (!this.client) this.client = {};
	if (!this.page) this.page = {};
});

DOMEvent.implement({

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

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

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

});

DOMEvent.defineKey = function(code, key){
	_keys[code] = key;
	return this;
};

DOMEvent.defineKeys = DOMEvent.defineKey.overloadSetter(true);

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

})();






/*
---

name: Class

description: Contains the Class Function for easily creating, extending, and implementing reusable Classes.

license: MIT-style license.

requires: [Array, String, Function, Number]

provides: Class

...
*/

(function(){

var Class = this.Class = new Type('Class', function(params){
	if (instanceOf(params, Function)) params = {initialize: params};

	var newClass = function(){
		reset(this);
		if (newClass.$prototyping) return this;
		this.$caller = null;
		var value = (this.initialize) ? this.initialize.apply(this, arguments) : this;
		this.$caller = this.caller = null;
		return value;
	}.extend(this).implement(params);

	newClass.$constructor = Class;
	newClass.prototype.$constructor = newClass;
	newClass.prototype.parent = parent;

	return newClass;
});

var parent = function(){
	if (!this.$caller) throw new Error('The method "parent" cannot be called.');
	var name = this.$caller.$name,
		parent = this.$caller.$owner.parent,
		previous = (parent) ? parent.prototype[name] : null;
	if (!previous) throw new Error('The method "' + name + '" has no parent.');
	return previous.apply(this, arguments);
};

var reset = function(object){
	for (var key in object){
		var value = object[key];
		switch (typeOf(value)){
			case 'object':
				var F = function(){};
				F.prototype = value;
				object[key] = reset(new F);
			break;
			case 'array': object[key] = value.clone(); break;
		}
	}
	return object;
};

var wrap = function(self, key, method){
	if (method.$origin) method = method.$origin;
	var wrapper = function(){
		if (method.$protected && this.$caller == null) throw new Error('The method "' + key + '" cannot be called.');
		var caller = this.caller, current = this.$caller;
		this.caller = current; this.$caller = wrapper;
		var result = method.apply(this, arguments);
		this.$caller = current; this.caller = caller;
		return result;
	}.extend({$owner: self, $origin: method, $name: key});
	return wrapper;
};

var implement = function(key, value, retain){
	if (Class.Mutators.hasOwnProperty(key)){
		value = Class.Mutators[key].call(this, value);
		if (value == null) return this;
	}

	if (typeOf(value) == 'function'){
		if (value.$hidden) return this;
		this.prototype[key] = (retain) ? value : wrap(this, key, value);
	} else {
		Object.merge(this.prototype, key, value);
	}

	return this;
};

var getInstance = function(klass){
	klass.$prototyping = true;
	var proto = new klass;
	delete klass.$prototyping;
	return proto;
};

Class.implement('implement', implement.overloadSetter());

Class.Mutators = {

	Extends: function(parent){
		this.parent = parent;
		this.prototype = getInstance(parent);
	},

	Implements: function(items){
		Array.from(items).each(function(item){
			var instance = new item;
			for (var key in instance) implement.call(this, key, instance[key], true);
		}, this);
	}
};

})();


/*
---

name: Class.Extras

description: Contains Utility Classes that can be implemented into your own Classes to ease the execution of many common tasks.

license: MIT-style license.

requires: Class

provides: [Class.Extras, Chain, Events, Options]

...
*/

(function(){

this.Chain = new Class({

	$chain: [],

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

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

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

});

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

this.Events = new Class({

	$events: {},

	addEvent: function(type, fn, internal){
		type = removeOn(type);

		

		this.$events[type] = (this.$events[type] || []).include(fn);
		if (internal) fn.internal = true;
		return this;
	},

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

	fireEvent: function(type, args, delay){
		type = removeOn(type);
		var events = this.$events[type];
		if (!events) return this;
		args = Array.from(args);
		events.each(function(fn){
			if (delay) fn.delay(delay, this, args);
			else fn.apply(this, args);
		}, this);
		return this;
	},

	removeEvent: function(type, fn){
		type = removeOn(type);
		var events = this.$events[type];
		if (events && !fn.internal){
			var index =  events.indexOf(fn);
			if (index != -1) delete events[index];
		}
		return this;
	},

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

});

this.Options = new Class({

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

});

})();


/*
---
name: Slick.Parser
description: Standalone CSS3 Selector parser
provides: Slick.Parser
...
*/

;(function(){

var parsed,
	separatorIndex,
	combinatorIndex,
	reversed,
	cache = {},
	reverseCache = {},
	reUnescape = /\\/g;

var parse = function(expression, isReversed){
	if (expression == null) return null;
	if (expression.Slick === true) return expression;
	expression = ('' + expression).replace(/^\s+|\s+$/g, '');
	reversed = !!isReversed;
	var currentCache = (reversed) ? reverseCache : cache;
	if (currentCache[expression]) return currentCache[expression];
	parsed = {
		Slick: true,
		expressions: [],
		raw: expression,
		reverse: function(){
			return parse(this.raw, true);
		}
	};
	separatorIndex = -1;
	while (expression != (expression = expression.replace(regexp, parser)));
	parsed.length = parsed.expressions.length;
	return currentCache[parsed.raw] = (reversed) ? reverse(parsed) : parsed;
};

var reverseCombinator = function(combinator){
	if (combinator === '!') return ' ';
	else if (combinator === ' ') return '!';
	else if ((/^!/).test(combinator)) return combinator.replace(/^!/, '');
	else return '!' + combinator;
};

var reverse = function(expression){
	var expressions = expression.expressions;
	for (var i = 0; i < expressions.length; i++){
		var exp = expressions[i];
		var last = {parts: [], tag: '*', combinator: reverseCombinator(exp[0].combinator)};

		for (var j = 0; j < exp.length; j++){
			var cexp = exp[j];
			if (!cexp.reverseCombinator) cexp.reverseCombinator = ' ';
			cexp.combinator = cexp.reverseCombinator;
			delete cexp.reverseCombinator;
		}

		exp.reverse().push(last);
	}
	return expression;
};

var escapeRegExp = function(string){// Credit: XRegExp 0.6.1 (c) 2007-2008 Steven Levithan <http://stevenlevithan.com/regex/xregexp/> MIT License
	return string.replace(/[-[\]{}()*+?.\\^$|,#\s]/g, function(match){
		return '\\' + match;
	});
};

var regexp = new RegExp(
/*
#!/usr/bin/env ruby
puts "\t\t" + DATA.read.gsub(/\(\?x\)|\s+#.*$|\s+|\\$|\\n/,'')
__END__
	"(?x)^(?:\
	  \\s* ( , ) \\s*               # Separator          \n\
	| \\s* ( <combinator>+ ) \\s*   # Combinator         \n\
	|      ( \\s+ )                 # CombinatorChildren \n\
	|      ( <unicode>+ | \\* )     # Tag                \n\
	| \\#  ( <unicode>+       )     # ID                 \n\
	| \\.  ( <unicode>+       )     # ClassName          \n\
	|                               # Attribute          \n\
	\\[  \
		\\s* (<unicode1>+)  (?:  \
			\\s* ([*^$!~|]?=)  (?:  \
				\\s* (?:\
					([\"']?)(.*?)\\9 \
				)\
			)  \
		)?  \\s*  \
	\\](?!\\]) \n\
	|   :+ ( <unicode>+ )(?:\
	\\( (?:\
		(?:([\"'])([^\\12]*)\\12)|((?:\\([^)]+\\)|[^()]*)+)\
	) \\)\
	)?\
	)"
*/
	"^(?:\\s*(,)\\s*|\\s*(<combinator>+)\\s*|(\\s+)|(<unicode>+|\\*)|\\#(<unicode>+)|\\.(<unicode>+)|\\[\\s*(<unicode1>+)(?:\\s*([*^$!~|]?=)(?:\\s*(?:([\"']?)(.*?)\\9)))?\\s*\\](?!\\])|(:+)(<unicode>+)(?:\\((?:(?:([\"'])([^\\13]*)\\13)|((?:\\([^)]+\\)|[^()]*)+))\\))?)"
	.replace(/<combinator>/, '[' + escapeRegExp(">+~`!@$%^&={}\\;</") + ']')
	.replace(/<unicode>/g, '(?:[\\w\\u00a1-\\uFFFF-]|\\\\[^\\s0-9a-f])')
	.replace(/<unicode1>/g, '(?:[:\\w\\u00a1-\\uFFFF-]|\\\\[^\\s0-9a-f])')
);

function parser(
	rawMatch,

	separator,
	combinator,
	combinatorChildren,

	tagName,
	id,
	className,

	attributeKey,
	attributeOperator,
	attributeQuote,
	attributeValue,

	pseudoMarker,
	pseudoClass,
	pseudoQuote,
	pseudoClassQuotedValue,
	pseudoClassValue
){
	if (separator || separatorIndex === -1){
		parsed.expressions[++separatorIndex] = [];
		combinatorIndex = -1;
		if (separator) return '';
	}

	if (combinator || combinatorChildren || combinatorIndex === -1){
		combinator = combinator || ' ';
		var currentSeparator = parsed.expressions[separatorIndex];
		if (reversed && currentSeparator[combinatorIndex])
			currentSeparator[combinatorIndex].reverseCombinator = reverseCombinator(combinator);
		currentSeparator[++combinatorIndex] = {combinator: combinator, tag: '*'};
	}

	var currentParsed = parsed.expressions[separatorIndex][combinatorIndex];

	if (tagName){
		currentParsed.tag = tagName.replace(reUnescape, '');

	} else if (id){
		currentParsed.id = id.replace(reUnescape, '');

	} else if (className){
		className = className.replace(reUnescape, '');

		if (!currentParsed.classList) currentParsed.classList = [];
		if (!currentParsed.classes) currentParsed.classes = [];
		currentParsed.classList.push(className);
		currentParsed.classes.push({
			value: className,
			regexp: new RegExp('(^|\\s)' + escapeRegExp(className) + '(\\s|$)')
		});

	} else if (pseudoClass){
		pseudoClassValue = pseudoClassValue || pseudoClassQuotedValue;
		pseudoClassValue = pseudoClassValue ? pseudoClassValue.replace(reUnescape, '') : null;

		if (!currentParsed.pseudos) currentParsed.pseudos = [];
		currentParsed.pseudos.push({
			key: pseudoClass.replace(reUnescape, ''),
			value: pseudoClassValue,
			type: pseudoMarker.length == 1 ? 'class' : 'element'
		});

	} else if (attributeKey){
		attributeKey = attributeKey.replace(reUnescape, '');
		attributeValue = (attributeValue || '').replace(reUnescape, '');

		var test, regexp;

		switch (attributeOperator){
			case '^=' : regexp = new RegExp(       '^'+ escapeRegExp(attributeValue)            ); break;
			case '$=' : regexp = new RegExp(            escapeRegExp(attributeValue) +'$'       ); break;
			case '~=' : regexp = new RegExp( '(^|\\s)'+ escapeRegExp(attributeValue) +'(\\s|$)' ); break;
			case '|=' : regexp = new RegExp(       '^'+ escapeRegExp(attributeValue) +'(-|$)'   ); break;
			case  '=' : test = function(value){
				return attributeValue == value;
			}; break;
			case '*=' : test = function(value){
				return value && value.indexOf(attributeValue) > -1;
			}; break;
			case '!=' : test = function(value){
				return attributeValue != value;
			}; break;
			default   : test = function(value){
				return !!value;
			};
		}

		if (attributeValue == '' && (/^[*$^]=$/).test(attributeOperator)) test = function(){
			return false;
		};

		if (!test) test = function(value){
			return value && regexp.test(value);
		};

		if (!currentParsed.attributes) currentParsed.attributes = [];
		currentParsed.attributes.push({
			key: attributeKey,
			operator: attributeOperator,
			value: attributeValue,
			test: test
		});

	}

	return '';
};

// Slick NS

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

Slick.parse = function(expression){
	return parse(expression);
};

Slick.escapeRegExp = escapeRegExp;

if (!this.Slick) this.Slick = Slick;

}).apply(/*<CommonJS>*/(typeof exports != 'undefined') ? exports : /*</CommonJS>*/this);


/*
---
name: Slick.Finder
description: The new, superfast css selector engine.
provides: Slick.Finder
requires: Slick.Parser
...
*/

;(function(){

var local = {},
	featuresCache = {},
	toString = Object.prototype.toString;

// Feature / Bug detection

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

local.isXML = function(document){
	return (!!document.xmlVersion) || (!!document.xml) || (toString.call(document) == '[object XMLDocument]') ||
	(document.nodeType == 9 && document.documentElement.nodeName != 'HTML');
};

local.setDocument = function(document){

	// convert elements / window arguments to document. if document cannot be extrapolated, the function returns.
	var nodeType = document.nodeType;
	if (nodeType == 9); // document
	else if (nodeType) document = document.ownerDocument; // node
	else if (document.navigator) document = document.document; // window
	else return;

	// check if it's the old document

	if (this.document === document) return;
	this.document = document;

	// check if we have done feature detection on this document before

	var root = document.documentElement,
		rootUid = this.getUIDXML(root),
		features = featuresCache[rootUid],
		feature;

	if (features){
		for (feature in features){
			this[feature] = features[feature];
		}
		return;
	}

	features = featuresCache[rootUid] = {};

	features.root = root;
	features.isXMLDocument = this.isXML(document);

	features.brokenStarGEBTN
	= features.starSelectsClosedQSA
	= features.idGetsName
	= features.brokenMixedCaseQSA
	= features.brokenGEBCN
	= features.brokenCheckedQSA
	= features.brokenEmptyAttributeQSA
	= features.isHTMLDocument
	= features.nativeMatchesSelector
	= false;

	var starSelectsClosed, starSelectsComments,
		brokenSecondClassNameGEBCN, cachedGetElementsByClassName,
		brokenFormAttributeGetter;

	var selected, id = 'slick_uniqueid';
	var testNode = document.createElement('div');

	var testRoot = document.body || document.getElementsByTagName('body')[0] || root;
	testRoot.appendChild(testNode);

	// on non-HTML documents innerHTML and getElementsById doesnt work properly
	try {
		testNode.innerHTML = '<a id="'+id+'"></a>';
		features.isHTMLDocument = !!document.getElementById(id);
	} catch(e){};

	if (features.isHTMLDocument){

		testNode.style.display = 'none';

		// IE returns comment nodes for getElementsByTagName('*') for some documents
		testNode.appendChild(document.createComment(''));
		starSelectsComments = (testNode.getElementsByTagName('*').length > 1);

		// IE returns closed nodes (EG:"</foo>") for getElementsByTagName('*') for some documents
		try {
			testNode.innerHTML = 'foo</foo>';
			selected = testNode.getElementsByTagName('*');
			starSelectsClosed = (selected && !!selected.length && selected[0].nodeName.charAt(0) == '/');
		} catch(e){};

		features.brokenStarGEBTN = starSelectsComments || starSelectsClosed;

		// IE returns elements with the name instead of just id for getElementsById for some documents
		try {
			testNode.innerHTML = '<a name="'+ id +'"></a><b id="'+ id +'"></b>';
			features.idGetsName = document.getElementById(id) === testNode.firstChild;
		} catch(e){};

		if (testNode.getElementsByClassName){

			// Safari 3.2 getElementsByClassName caches results
			try {
				testNode.innerHTML = '<a class="f"></a><a class="b"></a>';
				testNode.getElementsByClassName('b').length;
				testNode.firstChild.className = 'b';
				cachedGetElementsByClassName = (testNode.getElementsByClassName('b').length != 2);
			} catch(e){};

			// Opera 9.6 getElementsByClassName doesnt detects the class if its not the first one
			try {
				testNode.innerHTML = '<a class="a"></a><a class="f b a"></a>';
				brokenSecondClassNameGEBCN = (testNode.getElementsByClassName('a').length != 2);
			} catch(e){};

			features.brokenGEBCN = cachedGetElementsByClassName || brokenSecondClassNameGEBCN;
		}

		if (testNode.querySelectorAll){
			// IE 8 returns closed nodes (EG:"</foo>") for querySelectorAll('*') for some documents
			try {
				testNode.innerHTML = 'foo</foo>';
				selected = testNode.querySelectorAll('*');
				features.starSelectsClosedQSA = (selected && !!selected.length && selected[0].nodeName.charAt(0) == '/');
			} catch(e){};

			// Safari 3.2 querySelectorAll doesnt work with mixedcase on quirksmode
			try {
				testNode.innerHTML = '<a class="MiX"></a>';
				features.brokenMixedCaseQSA = !testNode.querySelectorAll('.MiX').length;
			} catch(e){};

			// Webkit and Opera dont return selected options on querySelectorAll
			try {
				testNode.innerHTML = '<select><option selected="selected">a</option></select>';
				features.brokenCheckedQSA = (testNode.querySelectorAll(':checked').length == 0);
			} catch(e){};

			// IE returns incorrect results for attr[*^$]="" selectors on querySelectorAll
			try {
				testNode.innerHTML = '<a class=""></a>';
				features.brokenEmptyAttributeQSA = (testNode.querySelectorAll('[class*=""]').length != 0);
			} catch(e){};

		}

		// IE6-7, if a form has an input of id x, form.getAttribute(x) returns a reference to the input
		try {
			testNode.innerHTML = '<form action="s"><input id="action"/></form>';
			brokenFormAttributeGetter = (testNode.firstChild.getAttribute('action') != 's');
		} catch(e){};

		// native matchesSelector function

		features.nativeMatchesSelector = root.matchesSelector || /*root.msMatchesSelector ||*/ root.mozMatchesSelector || root.webkitMatchesSelector;
		if (features.nativeMatchesSelector) try {
			// if matchesSelector trows errors on incorrect sintaxes we can use it
			features.nativeMatchesSelector.call(root, ':slick');
			features.nativeMatchesSelector = null;
		} catch(e){};

	}

	try {
		root.slick_expando = 1;
		delete root.slick_expando;
		features.getUID = this.getUIDHTML;
	} catch(e) {
		features.getUID = this.getUIDXML;
	}

	testRoot.removeChild(testNode);
	testNode = selected = testRoot = null;

	// getAttribute

	features.getAttribute = (features.isHTMLDocument && brokenFormAttributeGetter) ? function(node, name){
		var method = this.attributeGetters[name];
		if (method) return method.call(node);
		var attributeNode = node.getAttributeNode(name);
		return (attributeNode) ? attributeNode.nodeValue : null;
	} : function(node, name){
		var method = this.attributeGetters[name];
		return (method) ? method.call(node) : node.getAttribute(name);
	};

	// hasAttribute

	features.hasAttribute = (root && this.isNativeCode(root.hasAttribute)) ? function(node, attribute) {
		return node.hasAttribute(attribute);
	} : function(node, attribute) {
		node = node.getAttributeNode(attribute);
		return !!(node && (node.specified || node.nodeValue));
	};

	// contains
	// FIXME: Add specs: local.contains should be different for xml and html documents?
	var nativeRootContains = root && this.isNativeCode(root.contains),
		nativeDocumentContains = document && this.isNativeCode(document.contains);

	features.contains = (nativeRootContains && nativeDocumentContains) ? function(context, node){
		return context.contains(node);
	} : (nativeRootContains && !nativeDocumentContains) ? function(context, node){
		// IE8 does not have .contains on document.
		return context === node || ((context === document) ? document.documentElement : context).contains(node);
	} : (root && root.compareDocumentPosition) ? function(context, node){
		return context === node || !!(context.compareDocumentPosition(node) & 16);
	} : function(context, node){
		if (node) do {
			if (node === context) return true;
		} while ((node = node.parentNode));
		return false;
	};

	// document order sorting
	// credits to Sizzle (http://sizzlejs.com/)

	features.documentSorter = (root.compareDocumentPosition) ? function(a, b){
		if (!a.compareDocumentPosition || !b.compareDocumentPosition) return 0;
		return a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
	} : ('sourceIndex' in root) ? function(a, b){
		if (!a.sourceIndex || !b.sourceIndex) return 0;
		return a.sourceIndex - b.sourceIndex;
	} : (document.createRange) ? function(a, b){
		if (!a.ownerDocument || !b.ownerDocument) return 0;
		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
		aRange.setStart(a, 0);
		aRange.setEnd(a, 0);
		bRange.setStart(b, 0);
		bRange.setEnd(b, 0);
		return aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
	} : null ;

	root = null;

	for (feature in features){
		this[feature] = features[feature];
	}
};

// Main Method

var reSimpleSelector = /^([#.]?)((?:[\w-]+|\*))$/,
	reEmptyAttribute = /\[.+[*$^]=(?:""|'')?\]/,
	qsaFailExpCache = {};

local.search = function(context, expression, append, first){

	var found = this.found = (first) ? null : (append || []);

	if (!context) return found;
	else if (context.navigator) context = context.document; // Convert the node from a window to a document
	else if (!context.nodeType) return found;

	// setup

	var parsed, i,
		uniques = this.uniques = {},
		hasOthers = !!(append && append.length),
		contextIsDocument = (context.nodeType == 9);

	if (this.document !== (contextIsDocument ? context : context.ownerDocument)) this.setDocument(context);

	// avoid duplicating items already in the append array
	if (hasOthers) for (i = found.length; i--;) uniques[this.getUID(found[i])] = true;

	// expression checks

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

		/*<simple-selectors-override>*/
		var simpleSelector = expression.match(reSimpleSelector);
		simpleSelectors: if (simpleSelector) {

			var symbol = simpleSelector[1],
				name = simpleSelector[2],
				node, nodes;

			if (!symbol){

				if (name == '*' && this.brokenStarGEBTN) break simpleSelectors;
				nodes = context.getElemen