{foreach from=$items item="topic" name="cats"}
[null, '{$topic.topic|escape:"javascript"}', '{$index_script}?{$target_name}=topics&topic_id={$topic.topic_id}','_self', null{if $topic.subtopics}, {include file="js_menu/menu_items.js" items=$topic.subtopics}{/if}],
{/foreach}
zenuch