// 右向左

var rightDivName = document.getElementById(rightRollDivName);
var rightDivName01 = document.getElementById(rightRollDivName+"01");
var rightDivName02 = document.getElementById(rightRollDivName+"02");
   rightDivName02.innerHTML=rightDivName01.innerHTML
function rightMarqueen()
{
//判断长度小于DIV长度不滚动
if(rightDivName01.offsetWidth<rightDivName.style.width.replace("px",""))
    rightDivName02.innerHTML="";
    
if(rightDivName02.offsetWidth-rightDivName.scrollLeft<=0)
   rightDivName.scrollLeft-=rightDivName01.offsetWidth
else
   rightDivName.scrollLeft++
}
var rightMar=setInterval(rightMarqueen,rightRollSpeed)
rightDivName.onmouseover=function() {clearInterval(rightMar)}
rightDivName.onmouseout=function() {rightMar=setInterval(rightMarqueen,rightRollSpeed)}