Something

     /**
     * @see GalleryTheme::showAlbumPage
     */
    function showAlbumPage(&$template, $item, $params, $childIds) {
    	global $gallery;
	$ret = $this->loadCommonTemplateData(
	    $template, $item, $params,
	    array('owner', 'viewCount', 'descendentCount', 'parents', 'peers',
		  'systemLinks', 'itemLinks', 'itemSummaries',
		  'itemDetailFiles', 'thumbnails', 'pageNavigator', 'jumpRange','childItemLinksDetailed'),
	     $childIds);
	if ($ret->isError()) {
	    return array($ret->wrap(__FILE__, __LINE__), null);
	}

	/* Add in our extra stuff */
	$theme =& $template->getVariableByReference('theme');
	$theme['columnWidthPct'] = floor(100 / $params['columns']);

	$detailMode = GalleryUtilities::getRequestVariables('detailMode');
	if ($detailMode != null) {
	    $session =& $gallery->getSession();
	    $session->put('theme.detailMode', $detailMode ? 1 : 0);
        }
        $theme['detailMode'] = $session->get('theme.detailMode', 0);


	/* Add our header and styles */
	return array(GalleryStatus::success(), 'theme.tpl');
    }