$func = new Funciones();
     $res = $func->connect($_POST['bd_server'], $_POST['bd_user'], $_POST['bd_password']);
     if (!$res) {
         $data['valid'] = 0;
         $data['msg'] = "No se pudo conectar a la base de datos.";
     } else {
         //$data['valid'] = 1;
         //$data['msg'] = "Conexión realizada con éxito.";
         echo json_encode($func->show_databases());
     }
     break;
 case 'add_dummy':
     echo json_encode($func->add_cron_line_dummy());
     break;
 case 'view_jobs':
     echo $func->view_jobs();
     break;
 case 'delete_jobs':
     echo $func->delete_jobs();
 case 'add_job':
     $_POST['command'] = $func->base_url . "bd_backup.sh";
     echo $_POST['command'];
     foreach ($_POST as $key => $value) {
         if ($value == "") {
             $_POST[$key] = "empty";
         }
     }
     echo $func->add_cron_line($_POST);
     break;
 default:
     echo "invalido";