function hoverTopMenu(obj, index, isover)
{
	var src = "fileadmin/templates/main/img/topmenu/";
	switch (index)
	{
	case 0: src += "aktuell_01"; break;
	case 1: src += "agentur_02"; break;
	case 2: src += "arbeiten_03"; break;
	}

	if (isover)
		src += "_over";
	
	src += ".gif";
	obj.setAttribute("src", src);
}

function hoverRef(obj, index, isover)
{
	var src = "fileadmin/media/references/thumbs/ref_";
	if (index < 10) src += "0";
	src += index;
	src += "_";

	if (isover)
		src += "back.gif";
	else
		src += "front.jpg";

	obj.setAttribute("src", src);
}