public function viewAction()
 {
     // action body
     $us_id = $this->getRequest()->getParam('us_id');
     $us_id = empty($us_id) ? 0 : $us_id;
     $db_user = new Application_Model_DbTable_DbUsers();
     $this->view->user_view = $db_user->getUserView($us_id);
 }