public function processDeleteAction()
 {
     $id = (int) $this->_getParam('id');
     $holiday = new Holiday();
     $holiday->holidayId = $id;
     $holiday->setPersistMode(WebVista_Model_ORM::DELETE);
     $holiday->persist();
     $data = true;
     $json = Zend_Controller_Action_HelperBroker::getStaticHelper('json');
     $json->suppressExit = true;
     $json->direct($data);
 }