function Floatlist(obj)
{
	obj = $(obj);
		
	if (!obj) return false;
	
	obj.speed		= 1;
	obj.maxh		= obj.parentNode.offsetHeight;
	obj.style.top	= '0px';
	
	Event.observe(obj, 'mouseover',	function() { obj.speed = 0; });
	Event.observe(obj, 'mouseout',	function() { obj.speed = 1; });
	
	obj.timer=setInterval(function()
	{
		if (parseInt(obj.style.top) < -obj.offsetHeight)
		{
			obj.style.top = ( obj.maxh ) + 'px';
		}
		else
		{
			obj.style.top = ( parseInt(obj.style.top) - obj.speed) + 'px';
		}
	}, 40);
}