public function processSetParLevelAction()
 {
     $immunization = $this->_getParam('immunization');
     $parLevel = $this->_getParam('parLevel');
     $data = ImmunizationInventory::setDefaultParLevel($immunization, $parLevel);
     $json = Zend_Controller_Action_HelperBroker::getStaticHelper('json');
     $json->suppressExit = true;
     $json->direct($data);
 }