$option = DS_Request::get('option');
if ($option == 'com_groups') {
  $container_class = 'groupx';
  $page_class = DS_Request::get('page_class');
  if ($page_class == 'DS_Groups_Page_Listing') {
    $container_class .= ' grouphomex';
  }
} else {
  $container_class = 'interiorx';
}