// JScript 文件
function initAd() 
{ 
  MoveLayer();
} 
function MoveLayer()
{ 
	var obj=document.getElementById("AdLayer");
	
	var scrollPos=GetSrollTop();
	var h=scrollPos+200;
	obj.style.display="block";
	obj.style.pixelTop=h;
	obj.style.visibility="visible";
    setTimeout("MoveLayer()",200);
}  
function GetSrollTop()
{
   var scrollPos; 
   if (typeof window.pageYOffset != 'undefined') 
   { 
      scrollPos = window.pageYOffset; 
   } 
   else if (typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat') 
   { 
      scrollPos = document.documentElement.scrollTop; 
   } 
   else if (typeof document.body != 'undefined') 
   { 
      scrollPos = document.body.scrollTop; 
   } 
   return scrollPos;
}