var banner = new Array();

banner[0] = 'http://www.rhvsoftware.com/Werbebanner/rhv_Banner_250x250_Fibu.swf';
banner[1] = 'http://www.rhvsoftware.com/Werbebanner/rhv_Banner_250x250_Wawi.swf';

var num = Math.random();
var ran = Math.floor((banner.length - 1) * num);

f=document.getElementById('flashbanner');
if (f){
   f.innerHTML='<object type="application/x-shockwave-flash" width="250" height="250" data="' + banner[ran] + '"><param name="movie" value="' + banner[ran] + '"></object>';

}