ArrayUrl = new Array;
ArrayImg=new Array;

ArrayImg[0] = "http://www.sonneries-shop.com/banniere.gif";
ArrayUrl[0] = "http://klingeltoene-mp3.jeumobile.com/";

ArrayImg[1] = "http://www.sonneries-shop.com/banniere.gif";
ArrayUrl[1] = "http://klingeltoene-mp3.jeumobile.com/";

ArrayImg[2] = "http://www.sonneries-shop.com/banniere.gif";
ArrayUrl[2] = "http://www.sonneries-shop.com";

numimage= Math.round(Math.random()*(ArrayUrl.length-1));
document.write('<a href="' + ArrayUrl[numimage] + '" target="_blank"><img src="' + ArrayImg[numimage] + '" border="0" alt=""/></a>');