public function checkemployeeresponseAction()
 {
     $this->_helper->layout->disableLayout();
     $appraisalempratingsmodel = new Default_Model_Appraisalemployeeratings();
     $result['result'] = 'success';
     $appraisalid = $this->_request->getParam('appraisalid');
     if ($appraisalid) {
         $empresponseArr = $appraisalempratingsmodel->checkEmployeeResponse($appraisalid);
         if (!empty($empresponseArr)) {
             if ($empresponseArr[0]['empresponse'] > 0) {
                 $result['result'] = 'error';
             }
         }
     }
     $this->_helper->json($result);
 }