Allura/allura/templates/jinja_master/neigh_top_nav.html

{% if neighborhood and neighborhood.neighborhood_project %}
  {% for s in neighborhood.neighborhood_project.sitemap() %}
    <a href="{{s.url}}" class="ui-icon-{{s.ui_icon or 'admin'}}">
      {{s.label}}
      {% if s.label == 'Home' %}
        {% set url_length = s.url|length %}
        {% if request.url.rfind(s.url, -url_length) != -1 %}
          <span class="diamond"></span>
        {% endif %}
      {% elif s.label == 'Admin' %}
        {% if s.url in request.url or c.project.neighborhood.url()+'_admin' in request.url %}
          <span class="diamond"></span>
        {% endif %}
      {% else %}
        {% if s.url in request.url %}
          <span class="diamond"></span>
        {% endif %}
      {% endif %}
    </a>
        {% endfor %}
        <div style="clear:both"></div>
{% endif %}