/**
  * delete method
  *
  * @param string $id
  * @return void
  */
 public function delete_holidays($id = null)
 {
     $this->autoRender = false;
     if (!$this->request->is('post')) {
         throw new MethodNotAllowedException();
     }
     App::uses('Holiday', 'ScheduleManager.Model');
     $holidayModel = new Holiday();
     $holidayModel->id = $id;
     if (!$holidayModel->exists()) {
         throw new NotFoundException(__('Invalid Installer Holiday'), 'default', array('class' => 'text-error'));
     }
     if ($holidayModel->delete()) {
         echo json_encode(array("Error" => ""));
     } else {
         echo json_encode(array("Error" => 'Error'));
     }
 }