<SCRIPT LANGUAGE="JavaScript"> 
<!-- Begin Random Logo In Header Script 
var theImages = new Array() // do not change this 
<!-- Edit the url images to match yours 
theImages[0] = 'http://www.siteniz.com/forum/images/banner1.gif' 
theImages[1] = 'http://www.siteniz.com/forum/images/banner2.gif' 
var j = 0 
var p = theImages.length; 
var preBuffer = new Array() 
for (i = 0; i < p; i++){ 
preBuffer[i] = new Image() 
preBuffer[i].src = theImages[i] 
} 
var whichImage = Math.round(Math.random()*(p-1)); 
function showImage(){ 
document.write('<img src="'+theImages[whichImage]+'">'); 
} 
// End -->
</script>
Bu kısımda
// End -->
ifadesinden sonra
</script>
eklenecek.