var bScroll = false;
function SrollWindow(){
	bScroll = true;	
	ScrollOneStep();
}
function ScrollOneStep(){
	var TopPos = 0;
	var CurrentScrollPos = document.body.scrollTop;
	if(bScroll){
		if (CurrentScrollPos > TopPos) CurrentScrollPos = CurrentScrollPos - 10;
		if (CurrentScrollPos <= TopPos) bScroll = false;
		window.scrollTo(TopPos, CurrentScrollPos);
		window.setTimeout("ScrollOneStep()", 1);
	}	
}