public function getapproversAction()
 {
     $report_id = $this->_getParam('report_id', null);
     $dept_id = $this->_getParam('dept_id', null);
     $auth = Zend_Auth::getInstance();
     if ($auth->hasIdentity()) {
         $sess_vals = $auth->getStorage()->read();
         $loginUserId = $auth->getStorage()->read()->id;
         $loginuserGroup = $auth->getStorage()->read()->group_id;
     }
     $approver1_val = $this->_getParam('approver1_val', 0);
     $approver2_val = $this->_getParam('approver2_val', 0);
     $requi_model = new Default_Model_Requisition();
     $options = $requi_model->getapprovers($report_id, $dept_id);
     if ($approver1_val == '0') {
         $opt_str = sapp_Global::selectOptionBuilder('', 'Select Approver -1');
     } else {
         if ($approver2_val == '0') {
             $opt_str = sapp_Global::selectOptionBuilder('', 'Select Approver -2');
         } else {
             $opt_str = sapp_Global::selectOptionBuilder('', 'Select Approver -3');
         }
     }
     if (count($options) > 0) {
         foreach ($options as $opt) {
             if ($approver1_val != $opt['id'] && $approver2_val != $opt['id'] && $loginUserId != $opt['id']) {
                 $opt_str .= sapp_Global::selectOptionBuilder($opt['id'], ucwords($opt['name']), $opt['profileimg']);
             }
         }
     }
     $this->_helper->_json(array('options' => $opt_str));
 }