submitting a form with a parametrizated action

submitting a form with a parametrizated action

Hi, I'm trying to submit a form (id=Formu) with an action such this:

  1.     $("#Formu").attr("action", "admin.php?controlador=Catalogos&accion=descargarCatalogo");
  2.     $('#Formu').submit();

But the submit goes to "admin.php", not "admin.php?controlador=Catalogos&accion=descargarCatalogo".

Any clues?