/*!	
 * CSSrefresh v1.0.1
 *
 * Copyright (c) 2012 Fred Heusschen
 * www.frebsite.nl
 *
 * Dual licensed under the MIT and GPL licenses.
 * http://en.wikipedia.org/wiki/MIT_License
 * http://en.wikipedia.org/wiki/GNU_General_Public_License
 */
(function(){var phpjs={array_filter:function(arr,func){var retObj={};for(var k in arr){if(func(arr[k])){retObj[k]=arr[k];}}
return retObj;},filemtime:function(file){var headers=this.get_headers(file,1);return(headers&&headers['Last-Modified']&&Date.parse(headers['Last-Modified'])/1000)||false;},get_headers:function(url,format){var req=window.ActiveXObject?new ActiveXObject('Microsoft.XMLHTTP'):new XMLHttpRequest();if(!req){throw new Error('XMLHttpRequest not supported.');}
var tmp,headers,pair,i,j=0;try{req.open('HEAD',url,false);req.send(null);if(req.readyState<3){return false;}
tmp=req.getAllResponseHeaders();tmp=tmp.split('\n');tmp=this.array_filter(tmp,function(value){return value.toString().substring(1)!=='';});headers=format?{}:[];for(i in tmp){if(format){pair=tmp[i].toString().split(':');headers[pair.splice(0,1)]=pair.join(':').substring(1);}else{headers[j++]=tmp[i];}}
return headers;}
catch(err)
{return false;}}};var cssRefresh=function(){this.reloadFile=function(links){for(var a=0,l=links.length;a<l;a++){var link=links[a],newTime=phpjs.filemtime(this.getRandom(link.href));if(link.last){if(link.last!=newTime){link.elem.setAttribute('href',this.getRandom(link.href));}}
link.last=newTime;}
setTimeout(function(){this.reloadFile(links);},1000);};this.getHref=function(f)
{return f.getAttribute('href').split('?')[0];};this.getRandom=function(f)
{return f+'?x='+Math.random();};var files=document.getElementsByTagName('link'),links=[];for(var a=0,l=files.length;a<l;a++)
{var elem=files[a],rel=elem.rel;if(typeof rel!='string'||rel.length==0||rel=='stylesheet')
{links.push({'elem':elem,'href':this.getHref(elem),'last':false});}}
this.reloadFile(links);};cssRefresh();})();