function setActiveBanner(src) {
	if( src ) {
		src = src.substring(  src.lastIndexOf('/')+1 );
		src = src.substring( 0, src.length-1);
		src = src.substring( 0, src.lastIndexOf('.'));
		alert("Banner " + src + " fixiert");
		createCookie("banner", src, 365);
	}
	else {
		alert("Banner freigegeben");
		createCookie("banner", "", 365);
	}
}

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, autoDomain) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else {
		expires = "";
	}
	
	if (!autoDomain && myCookieDomain) {
		domain = "; domain=" + myCookieDomain;
	}
	else {
		domain = "";
	}
	document.cookie = name + "=" + value + expires + "; path=/" + domain;
}

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;
}

window.onload = function(e) {
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("style", title, 365, false);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);