public function getapproverAction()
 {
     $ajaxContext = $this->_helper->getHelper('AjaxContext');
     $ajaxContext->addActionContext('getapprover', 'html')->initContext();
     $employeemodel = new Default_Model_Employee();
     $elementid = $this->_request->getParam('elementid');
     $bunitid = $this->_request->getParam('bunitid');
     $deptid = $this->_request->getParam('deptid');
     $approver_1 = $this->_request->getParam('approver_1');
     $approver_2 = $this->_request->getParam('approver_2');
     $employeeData = array();
     $approvercount = '';
     $empstring = '';
     if ($elementid == 'approvingauthority') {
         $approvercount = 1;
     } else {
         if ($elementid == 'approver_1') {
             $approvercount = 2;
         } else {
             $approvercount = 3;
         }
     }
     if ($approver_1 != '') {
         $empstring = $approver_1;
     }
     if ($approver_2 != '') {
         $empstring .= ',' . $approver_2;
     }
     $employeeData = $employeemodel->getApproverForServiceDesk($bunitid, $deptid, $empstring);
     $this->view->employeedata = $employeeData;
     $this->view->approvercount = $approvercount;
 }