/**
  * Realiza una busqueda
  *
  */
 public function busqueda()
 {
     Load::lib('validate');
     if (Input::hasGet('b') && Validate::isNull(Input::get('b'))) {
         $this->b = Input::get('b');
         $articulo = new Articulo();
         //Debug::getInstance()->dump($this->articulo->search($this->b), 'Resultado');
         $this->result = $articulo->search($this->b);
     }
 }