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

$(document).ready(function() {
	$('.styleswitch').click(function()
	{
		switchStylestyle(this.getAttribute("rel"));
		return false;
	});
	var c = readCookie('style');
	if (c) { switchStylestyle(c); } else { switchStylestyle('bg1');	}
});

function switchStylestyle(styleName)
{
	preload('#mybody', 'http://www.fried.ch/assets/images/background/'+styleName+'.jpg');	
	createCookie('style', styleName, 365);
}

function preload(divID, divBackground) {
    var d = jQuery(divID);
    if(divBackground=="" || d==null) {noBG(divID); return;}
    var img = new Image();
    d.css({'background-image':'url("http://www.fried.ch/assets/images/loading_bg.gif")'});
	d.css({'background-position':'top left'});
    img.onload = function() {
        d.css({'background-image':'url("' + img.src + '")'});
		d.css({'background-position':'center center'});
        jQuery('#progress').empty();
    }
    img.src = divBackground;
}

// 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