var tim;
	var mnu = "mnu_home";
    
	function updateMenu ()
	{
		if ( parent.frames.leftNav != undefined && parent.frames.leftNav != null )
		{
			if ( parent.frames.leftNav[mnu] == undefined || parent.frames.leftNav[mnu] == null )
			{
				clearTimeout ( tim );
				tim = setTimeout ( "updateMenu()" , 300 );
			}
			else
			{
				parent.frames.leftNav[mnu].instantOpen ();
			}
		}
		else
		{
			clearTimeout ( tim );
			tim = setTimeout ( "updateMenu()" , 300 );
		}
	}
	
	updateMenu ()