// JScript 文件

function totop(demo,demo1,demo2,speed,flag){
demo=$(demo);demo1=$(demo1);demo2=$(demo2)
demo2.innerHTML=demo1.innerHTML
function Marquee(){
if(demo2.offsetHeight-demo.scrollTop<=0){
demo.scrollTop-=demo1.offsetHeight
}
else{
demo.scrollTop++
}
}
flag1=setInterval(Marquee,speed);
demo.onmouseover=function(){clearInterval(flag1);}
demo.onmouseout=function(){flag=setInterval(Marquee,speed);}
}