protected void lancerOption(int i) {
        switch (i) {
        case 0:
            new InstrumentSelectorFrame(0, 5);
            break;
        case 1:
            new InstrumentSelectorFrame(1, 5);
            break;
        case 2:
            new InstrumentSelectorFrame(2, 5);
            break;
        case 3:
            new InstrumentSelectorFrame(3, 5);
            break;
        case 4:
            new InstrumentSelectorFrame(4, 5);
            break;
        case 5:
            new InstrumentSelectorFrame(5, 5);
            break;
        default:
            System.err.println("action non definie");
        }
    }