{if empty($category_level)}
{assign var="category_level" value=1}
{else}
{math equation="x + 1" x=$category_level assign="category_level"}
{/if}
{foreach from=$categories item="category"}
{if $category.level == $category_level && $category.is_visible == "Yes"}
{if !empty($category.children)}
{assign var="categories" value=$category.children}
{include file="templates/panels/includes/panel-catalog-categories-item.html"}
{/if}
{/if}
{/foreach}
{math equation="x - 1" x=$category_level assign="category_level"}
{assign var="category" value=0}