var LastAdv;
var advImages = new Array(24);
for (var i=1;i<=24;i++) {
	advImages[i] = new Image();
	advImages[i].src = "http://rhein-zeitung.de/news/advent/04/g/head/n"+i+"a.gif";
}

function adv(on,img) {
	if (on) {
		var src = img.src.split(".");
		if (img.src.match(/live.+\./)) {
			img.src = src[0]+"."+src[1]+"."+src[2]+"a."+src[3];
		} else {
			img.src = src[0]+"."+src[1]+"a."+src[2];
		}
	} else {
		img.src = img.src.substr(0,img.src.length-5)+".gif";
	}
}