iens6=document.all||document.getElementById
ns4=document.layers

//specify speed of scroll (greater=faster)
var speed=1

var crossobj=document.getElementById("content");
var contentheight=crossobj.offsetHeight

crossobj.style.top=0;

function movedown(){
if (parseInt(crossobj.style.top)>=(contentheight*(-1)+100)) {
	crossobj.style.top=parseInt(crossobj.style.top)-speed
}
movedownvar=setTimeout("movedown()",20)
}

function moveup(){
if (parseInt(crossobj.style.top)<=0) {
	crossobj.style.top=parseInt(crossobj.style.top)+speed
}
moveupvar=setTimeout("moveup()",20)

}