var xmlHttpStatus;	

function BannerChange(width, height) {
	
		xmlHttpStatus=ajax_init();
		xmlHttpStatus.onreadystatechange=function() {
		if(xmlHttpStatus.readyState==4) {
			// success	
			BannerLoad(xmlHttpStatus.responseText, width, height);
			}
		}
		xmlHttpStatus.open("GET","/banner/banner_ajax.php?width="+width+"&height="+height,true);		
		xmlHttpStatus.send(null);
}

function BannerLoad(bannerCode, width, height) {

	bannerDiv=document.getElementById("floating_div");
	
	bannerDiv.innerHTML="<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\">";
	bannerDiv.innerHTML+=bannerCode;
	bannerDiv.innerHTML+="</table>";
	
	setTimeout("BannerChange("+width+", "+height+");", 30000);
}