{% assign topicFound="false" %}

{% for section in site.data.toc.horizontalnav %}

{% assign activeCSS = "" %}

{% if topicFound=="false" %}

{% if section.node == "glossary" %}

{% capture leftnav %}{% for entry in site.data.glossary %}

<li><a href="/glossary/?term={{ entry[0] }}">{{ entry[0] }}</a></li>{% endfor %}{% endcapture %}

{% if page.url == "/glossary/" %}

{% assign topicFound = "true" %}

{% capture leftnav %}<li><a href="/glossary/" class="active currentPage">Glossary Home</a></li>{{ leftnav }}{% endcapture %}

{% endif %}

{% else %}

{% assign tree = site.data.toc[section.node] %}

{% capture thisSection %}{% include tree.html %}{% endcapture %}

{% if section.path == page.url or thisSection contains "active currentPage" %}

{% capture leftnav %}{{ thisSection }}{% endcapture %}

{% capture activeCSS %} class="active"{% endcapture %}

{% assign topicFound="true" %}

{% endif %}

{% endif %}

{% endif %}

<li id="{{ section.node }}"{{ activeCSS }}><a href="{{ section.path }}">{{ section.title }}</a></li>

{% endfor %}