var num = 100000;
function EventScroll(){
num = 100000;
slowdownScroll();
}
function slowdownScroll() {
if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
sctop = document.body.parentNode.scrollTop;
}
else if(window.pageYOffset){
sctop = window.pageYOffset;
} else {
sctop = document.body.scrollTop;
}
jump:
if(sctop){
if(num < sctop){
clearTimeout(TimerID);
break jump;
}
//alert('num='+num+':sctop='+sctop);
num = sctop;
scup = Math.ceil(sctop*.2);
scrollBy(0,-scup);
if (sctop-scup) TimerID = setTimeout("slowdownScroll()",5);
}
}