/******************************************
* Scrollable content script II- (C) Dynamic Drive (www.dynamicdrive.com)
* Visit http://www.dynamicdrive.com/ for full source code
* This notice must stay intact for use
******************************************/
/* Edited for legibility, SRH */

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

//specify speed of scroll (greater=faster)
var speed = 5;

function movedown()
{
	if ( parseInt(crossobj.style.top) >= (contentheight * (-1) + 300) ) {
		crossobj.style.top = parseInt(crossobj.style.top) - speed + "px";
	}
	movedownvar = setTimeout("movedown()", 20);
}


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


function getcontent_height()
{
	contentheight = crossobj.offsetHeight;
}