/**
* Styleswitch stylesheet switcher built on jQuery
* Under an Attribution, Share Alike License
* By Kelvin Luck ( http://www.kelvinluck.com/ )
**/

var c = readCookie('style');
	if (c) switchStylestyle(c);
	/* Adding the above is a Lewis mod to stop the default style flashing for a second while the page loads.
		It does the disabling thing immediately, before any content is output.
		The stylesheets need to be placed above (before) this jquery in the source or else the jquery will not know what to disable!*/

$(document).ready(function() {
	$('.styleswitch').click(function()
	{
		switchStylestyle(this.getAttribute("rel"));
		return false;
	});
	var c = readCookie('style');
	if (c) switchStylestyle(c);
});

function switchStylestyle(styleName)
{
	$('link[@rel*=style][@title]').each(function(i) 
	{
		this.disabled = true;
		if (this.getAttribute('title') == styleName) this.disabled = false;
	});
	createCookie('style', styleName, 365);
}

// cookie functions http://www.quirksmode.org/js/cookies.html
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 var 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 eraseCookie(name)
{
	createCookie(name,"",-1);
}
// /cookie functions