var index = 1;
	var len = 5;
	var duration = 2.0;
	function setEle(obj)
	{
		if (index > len)
		{
			index = 1;
		}
		document.getElementById("test").innerHTML = document.getElementById("test" + index).innerHTML;
		index++;
	}
	function fadeOut(obj)
	{
		new Effect.Opacity('test', {duration:duration, from:1.0, to:0.0, afterFinish:fadeIn});
	}
	function fadeIn()
	{
		new Effect.Opacity('test', {duration:duration, from:0.2, to:1.0, beforeStart:setEle, afterFinish:fadeOut});
	}