<!--
function set_active_stylesheet(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 get_active_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)
		{
			return a.getAttribute("title");
		}
	}
	return null;
}

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

function create_cookie(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 read_cookie(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 = read_cookie("style");
	var title = cookie ? cookie : get_preferred_stylesheet();
	set_active_stylesheet(title);
}

window.onunload = function(e)
{
	var title = get_active_stylesheet();
	create_cookie("style", title, 365);
}

var cookie = read_cookie("style");
var title = cookie ? cookie : get_preferred_stylesheet();
set_active_stylesheet(title);
//-->