var spans = null;
var step = 1;
var scrollerTime = 25;
var scrollerPause = 4000;
var nb = 1;
var curSpan, nextSpan;
var pauseDone=false;
var scrollContainer = document.getElementById ("scrollContainer");
function scrollText()
	{
	if (spans)
		{
		var curBot = spans[curSpan].offsetTop + spans[curSpan].offsetHeight;
		if (curBot <= 0)
			// le span courant sort du conteneur;
			{
			spans[curSpan].style.visibility = "hidden";
			curSpan = nextSpan;
			if (++nextSpan == spans.length) nextSpan = 0;
			spans[nextSpan].style.visibility = "visible";
			spans[nextSpan].style.top = spans[curSpan].offsetHeight + "px";
			pauseDone = false;
			}
		else if (curBot <= scrollContainer.offsetHeight && !pauseDone) 
			// Le span courant est en haut
			{
			pauseDone = true;
			setTimeout(scrollText, scrollerPause);
			return;
			}
		spans[curSpan].style.top = spans[curSpan].offsetTop - step +"px";
		spans[nextSpan].style.top = spans[nextSpan].offsetTop - step +"px";
		setTimeout(scrollText, scrollerTime);
		}
	else
		{
		spans = scrollContainer.getElementsByTagName("DIV");
		curSpan = 0;
		nextSpan = 1;
		spans[0].style.top = scrollContainer.offsetHeight+"px";
		spans[0].style.visibility = "visible";
		spans[1].style.top = scrollContainer.offsetHeight*2 + "px";
		spans[1].style.visibility = "visible";
		scrollerTimer = setTimeout(scrollText, scrollerTime);
		}
	}

if (scrollContainer)
	{
	var scrollerTimer = setTimeout(scrollText, scrollerTime);
	}