window.onload=function(){
var speed = 3;//滚动速度
var rows = 100;//每行高度
var stim = 100; //停留时间倍数 * speed
var stop = 0; //初始化值
scrolltemp.innerHTML = scrollcontent.innerHTML
function Marquee(){
    if(scrolldiv.scrollTop%rows==0 && stop<=stim){
      stop++;
      return;
    }
    stop = 0;
    if(scrolltemp.offsetTop-scrolldiv.scrollTop<=0)
      scrolldiv.scrollTop-=scrollcontent.offsetHeight
    else{
      scrolldiv.scrollTop++
    }
}
var MyMar    = setInterval(Marquee,speed)
scrolldiv.onmouseover = function() {clearInterval(MyMar)}
scrolldiv.onmouseout = function() {MyMar=setInterval(Marquee,speed)}
}