public function update()
 {
     $id = $_POST[tpl_trainer::trainer() . '_' . tpl_trainer::id() . '_update'];
     $name = $_POST[tpl_trainer::trainer() . '_' . tpl_trainer::name() . '_update'];
     $id_companies = $_POST[tpl_trainer::trainer() . '_' . tpl_trainer::id_companies() . '_update'];
     $id_department = $_POST[tpl_trainer::trainer() . '_' . tpl_trainer::id_department() . '_update'];
     $id_section = $_POST[tpl_trainer::trainer() . '_' . tpl_trainer::id_section() . '_update'];
     $db = new data_base(tpl_trainer::trainer(), array(tpl_trainer::name() => $name, tpl_trainer::id_companies() => $id_companies, tpl_trainer::id_department() => $id_department, tpl_trainer::id_section() => $id_section, tpl_trainer::date_in() => date_time::Date_time_24()), array(tpl_trainer::id() => $id));
     $results = $db->change();
     if ($results) {
         echo json_encode(array('valid' => 1, 'title' => 'Successfully !!', 'massage' => 'I\'ve been Update ' . $name));
     } else {
         echo json_encode(array('valid' => 0, 'title' => 'Oops !!', 'massage' => 'Was not Update ' . $name . ', please try again'));
     }
 }