var prevmenuitem;
	var hovered;
	function menuon(menuitem)
		{
		if(hovered)
			{
			prevmenuitem.style.backgroundImage = prevmenuitem.oldimg;
			$('link_' + prevmenuitem.className).style.color = 'black';
			}
		menuitem.oldimg = menuitem.style.backgroundImage;
		menuitem.style.backgroundImage = 'url(/images/menu_active.jpg)';
		$('link_' + menuitem.className).style.color = 'white';
		showsubmenu(menuitem.className);
		prevmenuitem = menuitem;
		hovered = true;
		}
	function showsubmenu(menuid)
		{
		$('mm2_sub_home').style.display = 'none';
		$('mm2_sub_film').style.display = 'none';
		$('mm2_sub_muziek').style.display = 'none';
		$('mm2_sub_booksnl').style.display = 'none';
		$('mm2_sub_booksuk').style.display = 'none';
		$('mm2_sub_software').style.display = 'none';
		$('mm2_sub_acc').style.display = 'none';
		
		$('mm2_sub_' + menuid).style.display = 'block';
		}