//向上滚动2
var speed=100
var demo88js1=0;
demo882.innerHTML=demo881.innerHTML
function Marquee(){
   clearInterval(MyMar)
   if(demo882.offsetHeight-demo88.scrollTop<=382){
      demo88.scrollTop-=demo881.offsetHeight;
      demo88js1=1;
      MyMar=setInterval(Marquee,speed)
   }else{
        if (demo88js1>=1){
            demo88js1+=1;
            demo88.scrollTop+=1;
            MyMar=setInterval(Marquee,5)
            demo88js1=1
        }else if (demo88js1==0){
            demo88.scrollTop=0;
            demo88js1=1;
            MyMar=setInterval(Marquee,5)
        }else{
            demo88js1+=1;
            demo88.scrollTop+=1;
            MyMar=setInterval(Marquee,speed)
        }
   }
}
var MyMar=setInterval(Marquee,speed)
demo88.onmouseover=function() {clearInterval(MyMar)}
demo88.onmouseout=function() {MyMar=setInterval(Marquee,speed)}