function indexAction()
 {
     $this->view->subtitle = "Contactos registrados";
     $orden = (string) $this->_request->getParam('orden', 0);
     $asc = (bool) $this->_request->getParam('asc', 0);
     if (empty($orden)) {
         $orden = "id";
     }
     if ($asc) {
         $orden .= " ASC";
     } else {
         $orden .= " DESC";
     }
     $this->view->orden_asc = $asc;
     $this->view->contactos = Contacto::getAll($this->session->sitio->id, 0, $orden);
     $this->render('admin');
 }