/**
  * Upload help file
  *
  * @param
  * @return
  */
 function uploadHelpModule($a_file)
 {
     $id = $this->createHelpModule();
     // create and insert object in objecttree
     include_once "./Modules/LearningModule/classes/class.ilObjContentObject.php";
     $newObj = new ilObjContentObject();
     $newObj->setType("lm");
     $newObj->setTitle("Help Module");
     $newObj->create(true);
     $newObj->createLMTree();
     self::writeHelpModuleLmId($id, $newObj->getId());
     // import help learning module
     $mess = $newObj->importFromZipFile($a_file["tmp_name"], $a_file["name"], false, $id);
 }