public function newScaff($datForm, $step = '')
 {
     $this->closeModalWindow();
     switch ($step) {
         case 1:
             if (isset($_SESSION['temp_scaff_info'])) {
                 unset($_SESSION['temp_scaff_info']);
             }
             $this->modalWindow(scaffold::formNewScaffStep1(), OPF_myLang::getPhrase('OPF_SCAFF_1'), 580, 400, 2);
             break;
         case 2:
             $this->modalWindow(scaffold::formNewScaffStep2($datForm), OPF_myLang::getPhrase('OPF_SCAFF_2'), 580, 400, 2);
             break;
         case 3:
             $this->modalWindow(scaffold::formNewScaffStep3($datForm), OPF_myLang::getPhrase('OPF_SCAFF_3'), 580, 400, 2);
             break;
         case 4:
             $this->modalWindow(scaffold::formNewScaffStep4($datForm), OPF_myLang::getPhrase('OPF_SCAFF_4'), 580, 400, 2);
             $this->script('updateValsAnchos()');
             break;
         case 5:
             $this->modalWindow(scaffold::formNewScaffStep5($datForm), OPF_myLang::getPhrase('OPF_SCAFF_5'), 580, 400, 2);
             break;
     }
     return $this->response;
 }