function scrollup() {
	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("scrollup()",20);
	}
}