Как оптимизировать {speedbar}?

Формирование speedbar
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*/
if ($config['speedbar'] and ! isset ( $view_template )) {

$s_navigation = "<a href=\"{$config['http_home_url']}\">" . $config['short_title'] . "</a>";

if ($category_id) $s_navigation .= " &raquo; " . get_categories ( $category_id );
elseif ($do == 'tags') {

if ($config['allow_alt_url'] == "yes") $s_navigation .= " &raquo; <a href=\"" . $config['http_home_url'] . "tags/\">" . $lang['tag_cloud'] . "</a> &raquo; " . $tag;
else $s_navigation .= " &raquo; <a href=\"?do=tags\">" . $lang['tag_cloud'] . "</a> &raquo; " . $tag;

} elseif ($nam_e) $s_navigation .= " &raquo; " . $nam_e;

if ($titl_e) $s_navigation .= " &raquo; " . $titl_e;

$tpl->load_template ( 'speedbar.tpl' );
$tpl->set ( '{speedbar}', '<span id=\'dle-speedbar\'>' . stripslashes ( $s_navigation ) . '</span>' );
$tpl->compile ( 'speedbar' );
$tpl->clear ();