private void changeDir(int clickX) {
        int dir = (int)Math.floor(clickX/29) + 1;
        if (dir == 1) {
        }
        else if (dir == 2) {
        }
        else if (dir == 3) {
        }
        else if (dir == 4) {
            if (buildDir.equals("N") || buildDir.equals("S")) selectedTrack = 3;
            else selectedTrack = 4;
        }
        else if (dir == 5) {
        }
        else if (dir == 6) {
        }
        else if (dir == 7) {
            selectedTrack = 11;
        }
    }