function bannerpos()
		{
			el = document.getElementById("float_banner");
			
			if (document.documentElement) {
				var sTop=document.documentElement.scrollTop;
				
			}else{
				var sTop=document.body.scrollTop;
			}
			
			if (sTop == 0) var sTop= el.offsetParent.scrollTop;
		
			el.style.top  = sTop+100 +'px';
			
			setTimeout('bannerpos()', 2);

		}