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;
			}
		}
	}
	register(title);
	
}

function register(name) 
{           
	var today = new Date();
	var expires = new Date();
	expires.setTime(today.getTime() + 60*60*24*365);
    setCookie("KITstyle", name, expires);
}

function setCookie(name, value, expire) 
{          
	document.cookie = name + "=" + escape(value) + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()));
}



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 readCookie(name) 
{
	var nameEQ = name + "=";
	var nameEX = nameEQ + "null";
	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 && c.indexOf(nameEX)==-1) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

window.onload = function(e) 
{
	var cookie = readCookie("KITstyle");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}




var cookie = readCookie("KITstyle");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);