function movedown(){
	if (scrollActive) {
		if (window.moveupvar) clearTimeout(moveupvar)
		if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+100))
			crossobj.style.top=parseInt(crossobj.style.top)-speed+"px"
		else if (ns4&&crossobj.top>=(contentheight*(-1)+100))
			crossobj.top-=speed
		movedownvar=setTimeout("movedown()",20)
  	}
}

function moveup(){
  	if (scrollActive) {
		if (window.movedownvar) clearTimeout(movedownvar)
		if (iens6&&parseInt(crossobj.style.top)<=0)
			crossobj.style.top=parseInt(crossobj.style.top)+speed+"px"
		else if (ns4&&crossobj.top<=0)
			crossobj.top+=speed
		moveupvar=setTimeout("moveup()",20)
  	}
}


function getcontent_height(){
	if (iens6)
		contentheight=crossobj.offsetHeight
	else if (ns4) {
		contentheight=crossobj.clip.height
		document.nscontainer.document.nscontent.visibility="show"
		}
}