if ($debug > 0) {
     error_log('New LP - add audio action triggered', 0);
 }
 if (!$lp_found) {
     //check if the learnpath ID was defined, otherwise send back to list
     if ($debug > 0) {
         error_log('New LP - No learnpath given for add audio', 0);
     }
     require 'lp_list.php';
 } else {
     $_SESSION['refresh'] = 1;
     if (isset($_REQUEST['id'])) {
         $lp_item_obj = new learnpathItem($_REQUEST['id']);
         //Remove audio
         if (isset($_POST['delete_file']) && $_POST['delete_file'] == 1) {
             $lp_item_obj->remove_audio();
         }
         //Upload audio
         if (isset($_FILES['file']) && !empty($_FILES['file'])) {
             //Updating the lp.modified_on
             $_SESSION['oLP']->set_modified_on();
             $lp_item_obj->add_audio();
         }
         //Add audio file from documents
         if (isset($_REQUEST['document_id']) && !empty($_REQUEST['document_id'])) {
             $_SESSION['oLP']->set_modified_on();
             $lp_item_obj->add_audio_from_documents($_REQUEST['document_id']);
         }
         // Display.
         require 'lp_add_audio.php';
     } else {