function movstar(a,time){
	movx=setInterval("mov("+a+")",time)
	}
function movover(){
	clearInterval(movx)
	}
function mov(a){
	scrollx=update.document.body.scrollLeft
	scrolly=update.document.body.scrollTop
	scrolly=scrolly+a
	update.window.scroll(scrollx,scrolly)
	}