public int readPlayerId(String playerName) {
		int idPlayer = 0;
		try {
			ResultSet rs = _sqLite.query("SELECT id FROM player WHERE playername = '" + playerName + "';");
			if (rs.next()) {
				try {
					idPlayer = rs.getInt("id");
				} catch (SQLException e) {
					e.printStackTrace();
				}
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return idPlayer;
	}