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(function($){
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/*
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 * includeMany 1.2.2
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 *
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 * Copyright (c) 2009 Arash Karimzadeh (arashkarimzadeh.com)
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 * Licensed under the MIT (MIT-LICENSE.txt)
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 * http://www.opensource.org/licenses/mit-license.php
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 *
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 * Date: Dec 03 2009
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 */
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$.chainclude = function(urls,finaly){
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	var onload = function(callback,data){
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						if(typeof urls.length!='undefined'){
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							if(urls.length==0)
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								return $.isFunction(finaly)
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											?finaly(data)
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											:null;
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							urls.shift();
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							return $.chainclude.load(urls,onload);
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						}
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						for(var item in urls){
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							urls[item](data);
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							delete urls[item];
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							var count = 0;
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							for(var i in urls)
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								count++;
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							return (count==0)
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										?$.isFunction(finaly)?finaly(data):null
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										:$.chainclude.load(urls,onload);
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						}
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					}
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	$.chainclude.load(urls,onload);
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};
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$.chainclude.load = function(urls,onload){
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	if(typeof urls=='object' && typeof urls.length=='undefined')
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		for(var item in urls)
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			return $.include.load(item,onload,urls[item].callback);
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	urls = $.makeArray(urls);
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	$.include.load(urls[0],onload,null);
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};
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$.include = function(urls,finaly){
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	var luid = $.include.luid++;
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	var onload = function(callback,data){
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						if($.isFunction(callback))
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							callback(data);
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						if(--$.include.counter[luid]==0&&$.isFunction(finaly))
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							finaly();
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					}
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	if(typeof urls=='object' && typeof urls.length=='undefined'){
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		$.include.counter[luid] = 0;
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		for(var item in urls)
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			$.include.counter[luid]++;
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		return $.each(urls,function(url,callback){$.include.load(url,onload,callback);});
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	}
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	urls = $.makeArray(urls);
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	$.include.counter[luid] = urls.length;
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	$.each(urls,function(){$.include.load(this,onload,null);});
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}
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$.extend(
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	$.include,
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	{
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		luid: 0,
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		counter: [],
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		load: function(url,onload,callback){
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			url = url.toString();
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			if($.include.exist(url))
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				return onload(callback);
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			if(/.css$/.test(url))
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				$.include.loadCSS(url,onload,callback);
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			else if(/.js$/.test(url))
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				$.include.loadJS(url,onload,callback);
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			else
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				$.get(url,function(data){onload(callback,data)});
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		},
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		loadCSS: function(url,onload,callback){
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			var css=document.createElement('link');
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			css.setAttribute('type','text/css');
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			css.setAttribute('rel','stylesheet');
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			css.setAttribute('href',''+url);
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			$('head').get(0).appendChild(css);
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			$.browser.msie
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				?$.include.IEonload(css,onload,callback)
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				:onload(callback);//other browsers do not support it
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		},
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		loadJS: function(url,onload,callback){
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			var js=document.createElement('script');
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			js.setAttribute('type','text/javascript');
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			js.setAttribute('src',''+url);
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			$.browser.msie
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				?$.include.IEonload(js,onload,callback)
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				:js.onload = function(){onload(callback)};
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			$('head').get(0).appendChild(js);
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		},
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		IEonload: function(elm,onload,callback){
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			elm.onreadystatechange = 
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					function(){
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						if(this.readyState=='loaded'||this.readyState=='complete')
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							onload(callback);
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					}
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		},
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		exist: function(url){
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			var fresh = false;
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			$('head script').each(
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								function(){
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									if(/.css$/.test(url)&&this.href==url)
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											return fresh=true;
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									else if(/.js$/.test(url)&&this.src==url)
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											return fresh=true;
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								}
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							);
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			return fresh;
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		}
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	}
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);
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//
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})(jQuery);
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