function setActiveStyleSheet(title) 
	{
  		var i, a, main;
  		for(i=0; (a = document.getElementsByTagName("link")[i]); i++) 
    	{
    		if(a.getAttribute("title")) 
       		{
        		a.disabled = true;
        		if(a.getAttribute("title") == title) a.disabled = false;
    		}
     	}
    }

	function getActiveStyleSheet() 
	{
  		var i, a;
  		for(i=0; (a = document.getElementsByTagName("link")[i]); i++) 
  		{
    		if(a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  		}
  		return null;
	}

	function getPreferredStyleSheet() 
	{
  		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")
       			) return a.getAttribute("title");
  		}
  		return null;
	}

	function createCookie(name,value,days) 
  	{
  		if (days)
  		{
    		var date = new Date();
    		date.setTime(date.getTime()+(days*24*60*60*1000));
    		var expires = "; expires="+date.toGMTString();
  		}
  		else expires = "";
  		document.cookie = name+"="+value+expires+"; path=/";
	}

	function readCookie(name)
	{
  		var nameEQ = name + "=";
  		var ca = document.cookie.split(';');
  		for(var i=0;i < ca.length;i++)
  		{
    		var c = ca[i];
    		while (c.charAt(0)==' ') c = c.substring(1,c.length);
    		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  		}
  		return null;
	}

	function Myload()
	{
  		var cookie = readCookie("style");
  		var title = cookie ? cookie : getPreferredStyleSheet();
  		setActiveStyleSheet(title);
	}

	function Myunload()
	{
  		var title = getActiveStyleSheet();
  		createCookie("style", title, 365);
	}