/*----------------------------------------------------------------------
TOGGLE STYLESHEETS (LIGHTSTRING)
----------------------------------------------------------------------*/
(function($)
	{
		var availableStylesheets = [];
		var activeStylesheetIndex = 0;
		
		$.stylesheetToggle = function()
		{
			activeStylesheetIndex ++;
			activeStylesheetIndex %= availableStylesheets.length;
			$.stylesheetSwitch(availableStylesheets[activeStylesheetIndex]);
		};
		
		$.stylesheetSwitch = function(styleName)
		{
			$('link[@rel*=style][title]').each(
				function(i) 
				{
					this.disabled = true;
					if (this.getAttribute('title') == styleName) {
						this.disabled = false;
						activeStylesheetIndex = i;
					}
				}
			);
			createCookie('style', styleName, 365);
		};
		$.stylesheetInit = function()
		{
			$('link[rel*=style][title]').each(
				function(i) 
				{
					availableStylesheets.push(this.getAttribute('title'));
				}
			);
			var c = readCookie('style');
			if (c) {
				$.stylesheetSwitch(c);
			}
		};
	}
)(jQuery);

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);
}
$(function()
	{
		$.stylesheetInit();
		$('#toggleSwitch').bind(
			'click',
			function(e)
			{
				$.stylesheetToggle();
				return false;
			}
		);
		$('.styleswitch').bind(
			'click',
			function(e)
			{
				$.stylesheetSwitch(this.getAttribute('rel'));
				return false;
			}
		);
	}
);