function sendResponse()
 {
     if (isset($_REQUEST['ref'])) {
         $ref = new BfoxRef($_REQUEST['ref']);
         $refContext = $this->refContext();
         $refContext->setRef($ref);
     }
     if (isset($_REQUEST['tool'])) {
         $toolContext = $this->toolContext();
         $toolContext->setActiveTool($_REQUEST['tool']);
     }
     parent::sendResponse();
 }