function reindexGallery($galleryId = null)
  {
    if($galleryId == null)
      $gal =& $this->gallery;
    else
      $gal =& $this->io->getGallery($galleryId, new stdClass);
    
    $imagesAdded = 0;
    //get list of images
    $dir = Singapore::getListing($this->config->pathto_galleries.$gal->id, $this->config->recognised_extensions);

    //MOD reindex delete
    $remainingImages = $gal->images;
    //END reindex delete
    
    //cycle through the image files
    for($i=0; $i<count($dir->files); $i++) {
      //search for the image file in the database images
      for($j=0; $j<count($gal->images); $j++)
        //if we find it
        //MOD reindex delete
        if($dir->files[$i] == $gal->images[$j]->id) {
          unset($remainingImages[$j]);
          //skip the rest of this loop
          continue 2;
        }
        //END reindex delete
      //otherwise add the image to the database
      $gal->images[$j] = new sgImage($dir->files[$i], $gal, $this->config);
      $gal->images[$j]->name = $dir->files[$i];
      list(
        $gal->images[$j]->width, 
        $gal->images[$j]->height, 
        $gal->images[$j]->type
      ) = GetImageSize($this->config->pathto_galleries.$gal->id."/".$gal->images[$j]->id);
      $imagesAdded++;
    }
    
    //MOD reindex delete
    foreach ($remainingImages as $index => $image) { 
      unset($gal->images[$index]);
    }    
    $gal->images = array_values($gal->images);
    //END reindex delete
    
    if($this->io->putGallery($gal))
      return $imagesAdded;
      
    return $this->pushError($this->translator->_g("Could not save gallery info"));
  }