var contenu1 = "";
var contenu2 = "";

function initAutoScroller()
{

	contenu1 = document.getElementById("contenu1");
	contenu1.style.top = "0px";
	contenu1.style.height = contenu1.offsetHeight+"px";

	contenu2 = document.getElementById("contenu2");
	contenu2.style.top = parseInt(contenu1.style.height)+"px";
	contenu2.style.height = contenu2.offsetHeight+"px";
	startScroll();
}

function startScroll()
{

	if(Number(parseInt(contenu1.style.top)) > - Number(parseInt(contenu1.style.height)))
	{
		contenu1.style.top = Number(parseInt(contenu1.style.top)) - 1 + "px";
	}
	else
	{
		contenu1.style.top = parseInt(contenu2.style.top) + parseInt(contenu2.style.height) + "px";
	}

	if(Number(parseInt(contenu2.style.top)) > - Number(parseInt(contenu2.style.height)))
	{
		contenu2.style.top = parseInt(contenu2.style.top) - 1 + "px";
	}
	else
	{
		contenu2.style.top = parseInt(contenu1.style.top) + parseInt(contenu1.style.height) + "px";
	}
	
	
	
	scrollTimer = setTimeout("startScroll()",40);
}

function stopScroll()
{
	clearTimeout(scrollTimer);

}