function listar($tpl)
 {
     $tabla_listado = new table(true);
     //Empieza comentado
     if ($_SESSION['super'] || $_SESSION['admin']) {
         $my_group = new groups();
         $my_group->get_list_groups();
         $cadena = '' . $tabla_listado->make_tables('user_groups', $my_group->groups_list, array('Nombre', 50), array('id_group', 'name'), 10, array('select'), false);
         $variables = $tabla_listado->nombres_variables;
         $tpl->assign('variables', $variables);
         $tpl->assign('cadena', $cadena);
         return $tpl;
     }
     //Fin comentado
     $cadena = '' . $tabla_listado->make_tables('user_groups', $this->emp->groups_list, array('Nombre', 50), array('id_group', 'name'), 10, array('select'), false);
     $variables = $tabla_listado->nombres_variables;
     $tpl->assign('variables', $variables);
     $tpl->assign('cadena', $cadena);
     return $tpl;
 }
 function get_groups_from_post()
 {
     $groups = new groups();
     $groups->get_list_groups();
     $group_users = new group_users();
     $num_groups = $group_users->get_list_group_users();
     for ($i = 0; $i < $num_groups; $i++) {
         $this->checkbox_groups[$i] = new groups();
         $this->checkbox_groups[$i]->read($groups->groups_list[$i][$groups->ddbb_id_group]);
     }
     for ($i = 0; $i < $groups->num; $i++) {
         $this->checkbox_groups[$i]->belong = $_POST["grupo_" . $this->checkbox_groups[$i]->id_group];
         if ($this->checkbox_groups[$i]->belong != 1) {
             $this->checkbox_groups[$i]->belong = 0;
         }
     }
 }