// JavaScript Document
var contents, scrollheight;
var offset = 0;
function startScroll(containerid,contentsid)
{
	var container = document.getElementById(containerid);
	container.style.overflow = "hidden";
	contents = document.getElementById(contentsid);
	scrollheight = -contents.scrollHeight;	
	var mod = Math.ceil(container.clientHeight/contents.scrollHeight);
	var contents_inner = contents.innerHTML;
	while (mod>0)
	{
		contents.innerHTML += contents_inner;
		mod--;
	}
	var timer = setInterval("tick()",100);
}

function tick()
{
	offset--;
	contents.style.marginTop = offset + "px";	
	if (offset <= scrollheight)
		offset = 0;
}