<nav class=“navbar fixed-top navbar-light bg-light navbar-expand-md shadow”>

<a class="navbar-brand text-nowrap" href="{{ site.baseurl }}/index.html">
  <img src="{{site.baseurl}}/assets/img/logo.png" width="30" height="30" class="d-inline-block align-top" alt="UAVOS Inc">
  {{ site.title }}
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
  <span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
  <ul class="nav navbar-nav">
    {% for section in site.data.sections %}
      {% assign sdata = site.data[section] %}
      {% if sdata.doc %}
        {% assign sid = sdata.doc | prepend:"/" %}
      {% else %}
        {% assign sid = section | prepend:"/" | append:"/index" %}
      {% endif %}
      {% assign doc = site.docs | where:"id", sid | first %}
      <li class="nav-item text-nowrap {% if page.id==doc.id %}active{% endif %}"><a class="nav-link" href="{{ doc.url | prepend: site.baseurl }}">{{ sdata.title }}</a></li>
    {% endfor %}
  </ul>
  <form class="form-inline ml-auto">
    <div class="input-group">
      <input id="search-box" class="form-control" type="search" placeholder="Search..." aria-label="Search">
    </div>
  </form>
</div>

</nav>