function scrollImg(){
var posX,posY;
if (window.innerHeight) {
posX = window.pageXOffset;
posY = window.pageYOffset;
}
else if (document.documentElement && document.documentElement.scrollTop) {
posX = document.documentElement.scrollLeft;
posY = document.documentElement.scrollTop;
}
else if (document.body) {
posX = document.body.scrollLeft;
posY = document.body.scrollTop;
}
var ad=document.getElementById("divmenu");
ad.style.top=(posY+100)+"px";
ad.style.left=(posX+880)+"px";
setTimeout("scrollImg()",100);
}