function SetOverlay(item)
{
	var LastMenu = LastSubMenu;
	$(item).src = 'http://www.beatpatrol.at/img/2011/'+item+'_active.jpg';
	if(item != LastSubMenu && item.search(/submenu.+/) == -1)
	{
		LastSubMenu = item;
		if(LastMenu != "")
		{
			Effect.SlideUp('sub'+LastMenu , {duration: 0.0, scaleContent:false, queue: 'front'});
		}
		Effect.SlideDown('sub'+item , {duration: 0.0, queue: 'end'});
	}
}
function RemoveOverlay(item)
{
	$(item).src = 'http://www.beatpatrol.at/img/2011/'+item+'.jpg';
}
function ClearItemDown()
{
	if($('submenu_info').style.display != 'none' && LastSubMenu != 'menu_info')
		$('submenu_info').style.display = 'none';
	if($('submenu_lineup').style.display != 'none' && LastSubMenu != 'menu_lineup')
		$('submenu_lineup').style.display = 'none';
	if($('submenu_events').style.display != 'none' && LastSubMenu != 'menu_events')
		$('submenu_events').style.display = 'none';
	if($('submenu_tickets').style.display != 'none' && LastSubMenu != 'menu_tickets')
		$('submenu_tickets').style.display = 'none';
	if($('submenu_media').style.display != 'none' && LastSubMenu != 'menu_media')
		$('submenu_media').style.display = 'none';
	if($('submenu_past').style.display != 'none' && LastSubMenu != 'menu_past')
		$('submenu_past').style.display = 'none';
	if($('submenu_press').style.display != 'none' && LastSubMenu != 'menu_press')
		$('submenu_press').style.display = 'none';
}