var b="leeg";
	function verander(title){
		//Deze functie krijgt de opdracht om te switchen naar het gevraagde stylesheet
		var i, a;
		for(i=0;(a=document.getElementsByTagName("link")[i]);i++){
			if(a.getAttribute("rel").indexOf("style") !=-1 && a.getAttribute("title")){
				//alert(title + "\nloop nummer "+i);
				a.disabled=true;
				if(a.getAttribute("title")==title){
					a.disabled=false;
				}//end if
			}//end if
		}//end for
	}//end function verander
	function watIsActieveCss(){
		//Wat is op dit moment het actieve stylesheet?
		var i,a;
		for(i=0;(a=document.getElementsByTagName("link")[i]);i++){
			if(a.getAttribute("rel").indexOf("style") !=-1 && a.getAttribute("title") && !a.disabled){
				//alert(a.getAttribute("title")+" is het actieve stylesheet");
				return a.getAttribute("title");
			}//end if
		}//end for
		//alert("Er is geen actieve Stylesheet");
		return null;
	}//end function watIsActieveCss
	function createCookie(name,value,days){
		//alert(name+ ", "+ value+ ","+ days);
		if(days){
			var date=new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires="; expires="+date.toGMTString();
		}//end if
		else {
			expires="";
		}//end else
		document.cookie=name+"="+value+expires+"; path=/";
		//alert(expires);
	}//end function createCookie
	function readCookie(name){
		//alert(name);
		var nameEQ= name+"=";
		var ca=document.cookie.split(';');
		for(var i=0;i<ca.length;i++){
			//alert("read cookie for");
			var c=ca[i];
			while(c.charAt(0)==' '){
				c=c.substring(1,c.length);
			}//end while
			if(c.indexOf(nameEQ)==0){
				return c.substring(nameEQ.length,c.length); 
			}//end if
		}//end for
		return null;
	}//end function readCookie
	function getPreferredStylesheet(){
		//Wat is het preferred stylesheet?
		var i,a;
		for(i=0;(a=document.getElementsByTagName("link")[i]);i++){
			if(a.getAttribute("rel").indexOf("style") !=-1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")){
				//alert(a.getAttribute("title")+" is het preferred stylesheet");
				return a.getAttribute("title");
			}//end if
		}//end for
		//alert("Er is geen preferred stylesheet");
		return null;
	}//end function getPreferredStylesheet
	window.onload=function(e){
		//alert("onload");
		var cookie=readCookie("style");
		var title=cookie? cookie:getPreferredStylesheet();
		verander(title);
	}//end window
	window.onunload=function(e){
		//alert("onunload");
		var title=watIsActieveCss();
		//alert(title);
		createCookie("style", title, 365);
	}//end window