//滚动条广告
var cont
cont=""
document.write(""+cont+"
");
lastScrollY=0;
function backtop()
{
diffY=document.body.scrollTop;
percent=.1*(diffY-lastScrollY);
if(percent>0)
{
percent=Math.ceil(percent);
}
else
{
percent=Math.floor(percent);
}
document.all.MovedDiv.style.pixelTop+=percent;
lastScrollY=lastScrollY+percent;
}
window.setInterval("backtop()",30);