//<!--

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;
}

function init()
{
	var cookie	=	readCookie("style");
	var title	=	cookie ? cookie : getPreferredStyleSheet();

	setActiveStyleSheet(title);

	var	selStyle	=	document.getElementById("style_selection");

	if (selStyle != null)
	{
		var	i			=	0;
		var	found		=	false;
		while (i < selStyle.options.length && !found)
		{
			if (selStyle.options[i].value == title)
			{
				selStyle.selectedIndex	=	i;
				found					=	true;
			}
			i++
		}
	}
}

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

init();

//-->