function setActiveStyleSheet(title)
{
	var i,a,main;
	for(i=0;(a=document.getElementsByTagName("link")[i]);i++)
	{
		if(a.getAttribute("rel").indexOf("style")!=-1&&
		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("rel").indexOf("style")!=-1&&
		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;
}
window.onload=function (e)
{
	var cookie=readCookie("style");
	var title=cookie?cookie:getPreferredStyleSheet();
	setActiveStyleSheet(title);
}
window.onunload=function (e)
{
	var title=getActiveStyleSheet();
	createCookie("style",title,365);
}
var cookie=readCookie("style");
var title=cookie?cookie:getPreferredStyleSheet();
setActiveStyleSheet(title);