function _member_fields() {
  $output = array();

  $output['rid'] = t('Roles');
  $output['name'] = t('Username');

  // profile fields
  if (module_exists('profile')) {

		if (module_exists('i18nprofile')) {
	  	$language = i18n_get_lang();
			$result = db_query("SELECT p.name, t.title FROM {profile_fields} p INNER JOIN {i18n_profile_fields} t ON p.fid = t.fid WHERE t.language='%s' ORDER BY weight ASC, title ASC", $language);
			while($row = db_fetch_object($result)) {
				$output["profile.$row->name"] = $row->title;
			}
		} else {
			# $result = db_query("SELECT name,title FROM {profile_fields} WHERE visibility = %d ORDER BY weight ASC", PROFILE_PUBLIC_LISTINGS);
			$result = db_query("SELECT name, title FROM {profile_fields} pf ORDER BY weight ASC, title ASC");
			while ($row = db_fetch_object($result)) {
				$output["profile.$row->name"] = $row->title;
			}
    }
  }

  $output['mail'] = t('Email');
  $output['access'] = t('Last Seen');
  $output['picture'] = t('Picture');

  return $output;
}