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;
    }
    if(sctop){
        scup = Math.ceil(sctop*.2);
        scrollBy(0,-scup);
        if (sctop-scup) setTimeout("slowdownScroll()",15);
    }
}