/**
  * populates the rendered questin hint relating output content to global template
  * depending on possibly active kiosk mode
  * 
  * @global ilTemplate $tpl
  * @param string $content
  */
 private function populateContent($content)
 {
     global $tpl;
     if ($this->testOutputGUI->object->getKioskMode()) {
         $tpl->setBodyClass('kiosk');
         $tpl->setAddFooter(false);
         $tpl->addBlockFile('CONTENT', 'content', 'tpl.il_tst_question_hints_kiosk_page.html', 'Modules/TestQuestionPool');
         $tpl->setVariable('KIOSK_HEAD', $this->testOutputGUI->getKioskHead());
         $tpl->setVariable('KIOSK_CONTENT', $content);
     } else {
         $tpl->setContent($content);
     }
 }