function zeig () {
bild = "sponsor";
var nummer = Math.round(Math.random()*6)+1;
bild += nummer;
bild +=".jpg"


$content = document.body.innerHTML;
	document.getElementById("sponsor").style.backgroundImage = "url(fileadmin/images/" +  bild + ")";
switch (nummer) {
case 1: document.getElementById("sponsor").href = "http://www.waldviertel.at/d/default.asp"; break;
case 2: document.getElementById("sponsor").href = "http://www.kaesemacher.at/"; break;
case 3: document.getElementById("sponsor").href = "http://www.meisner.at/"; break;
case 4: document.getElementById("sponsor").href = "http://www.raiffeisen.at/eBusiness/rai_template1/1021662351721-NA-NA-NA-1-NA.html"; break;
case 5: document.getElementById("sponsor").href = "http://www.sonnentor.at/"; break;
case 6: document.getElementById("sponsor").href = "http://www.gea.at/frameset_gehen.html"; break;
case 7: document.getElementById("sponsor").href = "http://www.wachauermarmor.at/"; break;
default: result = 'unknown';
}
document.getElementById("sponsor").target="_blank";



}