function ShowMenu(aktiv, umenutabelle, name)
{
	try
	{
		parent.haupt.timer = "false";
		for (i=0; i < parent.haupt.umenus.length; i++)
		{
			parent.haupt.document.getElementById(parent.haupt.umenus[i]).style.visibility = "hidden";
//			parent.menu.document.getElementById("menu" + (i+1) + "a").style.visibility = "hidden";
		}
			
		if (aktiv)
		{
			parent.haupt.document.getElementById(umenutabelle).style.visibility = "visible";
//			parent.menu.document.getElementById(name + "a").style.visibility = "visible";
		}	
		else
		{
			parent.haupt.document.getElementById(umenutabelle).style.visibility = "hidden";
		}
	}
	
	catch(e)
	{
		setTimeout("ShowMenu(\"" + aktiv + "\", \"" + umenutabelle + "\", \"" + name + "\")", 100);
	}
}

function hideMenu(aktiv)
{
	if (!aktiv)
	{
		if(parent.haupt.timer == "true")
		{
			for (i=0; i < parent.haupt.umenus.length; i++)
			{
				parent.haupt.document.getElementById(parent.haupt.umenus[i]).style.visibility = "hidden";
//				parent.menu.document.getElementById("menu" + (i+1) + "a").style.visibility = "hidden";
			}
		}
	}
	
	else
	{
		setTimeout("hideMenu(false)", 500);
		parent.haupt.timer = "true";
	}
}