private function makeList($pages) {
$output = "";
if(count($pages)) {
$output = '
<ul id="sitemap-list">';
foreach($pages as $page) {
if(!($page instanceof ErrorPage) && $page->ShowInMenus && $page->Title != $this->Title){
$output .= '
<li><a href="'.$page->URLSegment.'" title="Go to the '.Convert::raw2xml($page->Title).' page">'.Convert::raw2xml($page->MenuTitle).'</a>';
$whereStatement = "ParentID = ".$page->ID;
//$childPages = new DataObjectSet();
$childPages = DataObject::get("Page", $whereStatement);
$output .= $this->makeChildList($childPages, $page->URLSegment);
$output .= '
</li>';
}
}
$output .= '
</ul>';
}
return $output;
}

private function makeChildList($pages, $parentURL) {
      $output = "";
      if(count($pages)) {
            $output = '
               <ul>';
         foreach($pages as $page) {

            /* if selected, check if user has permission to view page and skip rendering it if they don't have permission. */
            if (self::$siteMapPermissionCheck) {
               if (!$page->canView()) {
                  continue;
               }
            }
            
            $nestedURL = $parentURL != NULL ? $parentURL.'/'.$page->URLSegment : $page->URLSegment;
   
            $output .= '
                  <li><a href="'.$nestedURL.'" title="Go to the '.Convert::raw2xml($page->Title).' page">'.Convert::raw2xml($page->MenuTitle).'</a>';
            $whereStatement = "ParentID = ".$page->ID." AND ClassName NOT IN(".self::$siteMapSkipPageTypes.")";
            $childPages = DataObject::get("Page", $whereStatement);
            if($childPages) {
               $output .= $this->makeChildList($childPages, $nestedURL);
            }
            $output .= '</li>';
         }
         $output .= '
               </ul>
            ';
      }
      return $output;
   }