case 'dropFacilities': if ($is->dropFacilities()) { alert('Drop Facilities OK!'); } else { alertDanger('Drop Facilities Failed'); } break; case 'dropCountries': if ($is->dropCountries()) { alert('Drop Countries OK!'); } else { alertDanger('Drop Countries Failed'); } break; case 'dropRegions': if ($is->dropRegions()) { alert('Drop Regions OK!'); } else { alertDanger('Drop Regions Failed'); } break; case 'dropDistricts': if ($is->dropDistricts()) { alert('Drop Districts OK!'); } else { alertDanger('Drop Districts Failed'); } break; case 'dropCounties': if ($is->dropCounties()) { alert('Drop Counties OK!');