{% comment %}
    Find previous and next episodes (if any).
{% endcomment %}
{% for episode in site.episodes  %}
  {% if episode.title == page.title %}
    {% unless forloop.first %}
      {% assign prev_episode = prev %}
    {% endunless %}
    {% unless forloop.last %}
      {% assign next_episode = site.episodes[forloop.index] %}
    {% endunless %}
  {% endif %}
  {% assign prev = episode %}
{% endfor %}
<div class="row">
  <div class="col-md-1">
    <h3>{% if prev_episode %}<a href="{{ site.root }}/{{ prev_episode.url }}"><span class="glyphicon glyphicon-menu-left"></span></a>{% endif %}</h3>
  </div>
  <div class="col-md-10">
    <h3 class="maintitle"><a href="{{ site.root }}/">{{ site.title }}</a></h3>
    <h1 class="maintitle">{{ page.title }}</h1>
  </div>
  <div class="col-md-1">
    <h3>{% if next_episode %}<a href="{{ site.root }}/{{ next_episode.url }}"><span class="glyphicon glyphicon-menu-right"></span></a>{% endif %}</h3>
  </div>
</div>