public function showformAction()
    {
        $viewmodel = new ViewModel();
        //$form       = $this->getForm();
        $request = $this->getRequest();

        //disable layout if request by Ajax
        $viewmodel->setTerminal($request->isXmlHttpRequest());

        $is_xmlhttprequest = 1;

        $viewmodel->setVariables(array(
            'is_xmlhttprequest' => $is_xmlhttprequest
        ));

        return $viewmodel;
    }