marqueesHeight=300;
stopscroll=false;
var templayer;
var marquees;

preTop=0; currentTop=0; 

function init(){
	marquees = document.getElementById("marquees");
	 templayer=document.getElementById("templayer");
	 with(marquees){
		style.width=140;
		style.height=marqueesHeight;
		style.overflowX="visible";
		style.overflowY="hidden";
		noWrap=true;
		onmouseover=new Function("stopscroll=true");
		onmouseout=new Function("stopscroll=false");
	}
  templayer.innerHTML="";
  while(templayer.offsetHeight<marqueesHeight){
    templayer.innerHTML+=marquees.innerHTML;
  }
  marquees.innerHTML=templayer.innerHTML+templayer.innerHTML;
  setInterval("scrollUp()",75);
}
var stopscroll = false;
function scrollUp(){
	marquees = document.getElementById("marquees");
	 templayer=document.getElementById("templayer");
  if(stopscroll==true) return;
  var preTop=marquees.scrollTop;
  marquees.scrollTop+=1;
  if(preTop==marquees.scrollTop){
    marquees.scrollTop=templayer.offsetHeight-marqueesHeight;
    marquees.scrollTop+=1;
  }
}



			         // ���嶨ʱ��