public function processDeleteAction()
 {
     $param = $this->_getParam('id');
     $ids = explode(',', $param);
     foreach ($ids as $guid) {
         if (!strlen($guid) > 0) {
             continue;
         }
         $fs = new FeeSchedule();
         $fs->guid = $guid;
         $fs->setPersistMode(WebVista_Model_ORM::DELETE);
         $fs->persist(false);
     }
     $data = array();
     $data['msg'] = __('Record deleted successfully');
     $json = Zend_Controller_Action_HelperBroker::getStaticHelper('json');
     $json->suppressExit = true;
     $json->direct($data);
 }