Hi, Maybe sharing the code can help us help you ;),
anyway, here is something may help:

public function JQueryGalleryPagination() {
      $ItemsPerPage = $this->ItemsPerPage ;
      $images = $this->JQueryGalleryItems(null, 'SortOrder');
      $start = (isset($_GET['start'])) ? (int)$_GET['start'] : 0;
      $page = $images->getRange($start ,$ItemsPerPage);
      $page->setPageLimits($start,$ItemsPerPage, $images->count());
      return $page;
}

I used this for my gallery, it should work the same for you (with changing the Variable names & fields names to what you need)
GL