public function ajaxGetBatchColdchainAction()
 {
     $this->_helper->layout->disableLayout();
     if (isset($this->_request->batch) && !empty($this->_request->batch)) {
         //Generate Purpose(activity_id) combo
         $pick_from = new Model_ColdChain();
         $pick_from->form_values = array('batch' => $this->_request->batch);
         $this->view->combo = $pick_from->getColdchainByBatch();
     }
 }