case 0:
                        flat6.setOpacity(1);
                        break;
                    case 1:
                        flat5.setOpacity(1);
                        break;
                    case 2:
                        flat4.setOpacity(1);
                        break;
                    case 3:
                        flat3.setOpacity(1);
                        break;
                    case 4:
                        flat2.setOpacity(1);
                        break;
                    case 5:
                        flat1.setOpacity(1);
                    case 6:
                        ok.setOpacity(1);
                        break;
                    ` and on and on<