exit;
         }
     } else {
         echo json_encode(array('result' => false, 'msg' => 'AJAX Validation failed'));
         exit;
     }
 }
 ////////////////////////////////////////////////////
 // updatePrimaryPagePath - adds or updates the primary url to a page
 ////////////////////////////////////////////////////
 if ($_POST['action'] == 'updatePrimaryPagePath') {
     if (isset($_POST['nodeID']) && is_int((int) $_POST['nodeID']) && isset($_POST['path'])) {
         // first check we're not about to create a duplicate
         $result = $content->checkPagePath((int) $_POST['nodeID'], 0, $_POST['path']);
         if ($result === false) {
             $result = $content->setPrimaryPagePath((int) $_POST['nodeID'], $_POST['path']);
             if ($result == 0) {
                 echo json_encode(array('result' => false, 'msg' => 'Error updating primary page path'));
                 exit;
             } else {
                 echo json_encode(array('result' => true, 'msg' => 'Primary Page Path updated'));
                 exit;
             }
         } else {
             echo json_encode(array('result' => $result, 'msg' => 'Primary Page Path cannot be updated - there is already a node with this page path'));
             exit;
         }
     } else {
         echo json_encode(array('result' => false, 'msg' => 'AJAX Validation failed'));
         exit;
     }