public String resetWarning(MOB mob, Area A)
	{
		Room R=null;
		final StringBuffer warning=new StringBuffer("");
		String roomWarning=null;
		for(final Enumeration<Room> e=A.getProperMap();e.hasMoreElements();)
		{
			R=e.nextElement();
			roomWarning=resetWarning(mob,R);
			if(roomWarning!=null)
				warning.append(roomWarning);
		}
		if(warning.length()==0)
			return null;
		return warning.toString();
	}