var speed,currentpos=curpos1=0,alt=1,curpos2=-1

function initialize(){
	if (window.parent.scrollspeed!=0){
		speed=window.parent.scrollspeed
		scrollwindow()
	}
}

function scrollwindow(){
	temp=(document.all)? document.body.scrollTop : window.pageYOffset
	alt=(alt==0)? 1 : 0
	if (alt==0)
		curpos1=temp
	else
		curpos2=temp
	window.scrollBy(0,speed)
}

setInterval("initialize()",10)