// StyleSwitcher functions written by Paul Sowden
// http://www.alistapart.com/stories/alternate/
function setActiveSS(title) 
	{
	var i, a, main;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) 
		{
		if (a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) 
			{
			a.disabled = true; 
			if(a.getAttribute("title") == title) a.disabled = false; 
			} 
		} 
	}
function getActiveSS() 
	{
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) 
		{
		if (a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled ) return a.getAttribute("title"); 
		}
		return null; 
	}
function getPreferredSS() 
	{
	var i, a; for (i=0; (a = document.getElementsByTagName("link")[i]); i++) 
		{ if (a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title") ) return a.getAttribute("title"); 
		}
		return null; 
	}
//Cookies fuer die Styles
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 : getPreferredSS(); setActiveSS(title); 
	}
window.onunload = function(e) 
	{
	var title = getActiveSS(); createCookie("style", title, 365); 
	}
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredSS();
setActiveSS(title);