function save_mar($p, $vars)
 {
     $c = new Params($this->db_conn);
     $c->getData($vars['id']);
     $c->id = $vars['id'];
     $c->value = $vars['value'];
     $c->desp = $vars['desp'];
     //echo $c->id."<BR>".$c->value."<BR>".$c->desp."<BR>";exit;
     $c->update();
     $this->gotoURL("params.php?action=list&func={$this->func}");
     //$this->browse($p);
 }