currentOpen = '';  // block met submenu
currentOpen2 = '';  // main item voor pijltje aanpassen


function menuOpen(objName, obj2Name)
{
	obj = document.getElementById(objName);
	obj.style.display='block';

	if (obj2Name != '')
	{	
		obj2 = document.getElementById(obj2Name);
		obj2.background="imagesmenu/title_bg_hide.gif";
	}
}

function menuClose(objName, obj2Name)
{
	obj = document.getElementById(objName);
	obj.style.display='none';

	if (obj2Name != '')
	{	
		obj2 = document.getElementById(obj2Name);
		obj2.background="imagesmenu/title_bg_show.gif";
	}
}


function menuChange(objName,maxh,obj2Name)
{
	if (objName == currentOpen)
	{
		// diegene die geklikt is staat open, nu dus dichtklappen
		menuClose(objName, obj2Name);
		currentOpen = '';
		currentOpen2 = '';
	}
	else
	{
		// eerst oude dichtklappen, dan nieuwe openklappen
		if (currentOpen == '')
			menuOpen(objName, obj2Name);  // er staat niets open >> geen timeout!
		else
		{
			menuClose(currentOpen, currentOpen2);
			setTimeout("menuOpen('" + objName + "', '" + obj2Name + "')", '250'); // menuOpen(objName);
		}
		currentOpen = objName;
		currentOpen2 = obj2Name;
	}
}