var vurl=window.location.href;//获取当前URL
var vur1=vurl.split("/");//截取字符串
var lurl=vur1[2];//获得相应的URL
var url=lurl.toLowerCase();//转换为小写
document.write('<iframe id="adddd"  scrolling="no" iframeborder="0"  style="position:absolute;border:1px solid #000;right:0; width:100px; height:200px;"  src="http://zxkf.dadaochina.com/Default.aspx?fwzd='+url+'"></iframe>');
//setIframe();
//function setIframe()
//{
  //var frame=document.getElementById("ad");
  //frame.style.top=document.documentElement.scrollTop;
  //alert();
//}
//setTimeout("setIframe()",50);

function rightBottomAd(){
 var abc = document.getElementById("adddd");
 abc.style.top = document.documentElement.scrollTop+document.documentElement.clientHeight-520+"px"; 
 setTimeout(function(){rightBottomAd();},50);
}
rightBottomAd();