public boolean exists(String[] names)
	{
		boolean valid = true;
		boolean[] play =
		{ true, true, true, true };
		for (int i = 0; i < names.length; i++)
		{
			boolean exist = false;
			for (int j = 0; j < players.length; j++)
				if (players[j].name.equalsIgnoreCase(names[i]))
					if (play[j])
					{
						play[j] = false;
						exist = true;
					}
					else
					{
						main.PrintMessage(names[i] + " has already been used");
						valid = false;
					}
			if (!exist)
			{
				main.PrintMessage(names[i] + " is not in this game");
				valid = false;
			}
		}

		return valid;
	}