public MyList ownees(String player) {
		MyList ownees = new MyList();

		if (!(player == null || player.equals("red") || player.equals("blue")  ))
			return null;

		// Iterate over all Hexpos's
		Set set = owner.keySet();
		Iterator it = set.iterator();
		while (it.hasNext()) {
			Hexpos hp = (Hexpos) it.next();
			if (owner.containsKey(hp) && owner.get(hp) == player)
				ownees.add(hp);
		}

		return ownees;
	}