private function buscar_articulo($full_data = FALSE)
 {
     if ($full_data) {
         $this->template = 'ajax_buscar_articulo2';
     } else {
         $this->template = 'ajax_buscar_articulo';
     }
     if (isset($_POST['codbar2'])) {
         $codbar = $_POST['codbar2'];
     } else {
         $codbar = $_POST['buscar_articulo'];
     }
     $articulo = new articulo();
     foreach ($articulo->search_by_codbar($codbar) as $a) {
         $this->articulo = $a;
         break;
     }
     if (isset($_POST['numlineas'])) {
         $this->numlineas = $_POST['numlineas'];
     } else {
         $this->numlineas = 0;
     }
 }