Jekyll: generate pages by weight (1..10) and group 'topnavigation'

gistfile1.txt

<ul id="top-nav">

  {% for weight in (1..10) %}
    {% for node in site.pages %}
      {% if node.group == 'topnavigation' %}
        {% if node.weight == weight %}

          {% if page.url == node.url %}
              <li class="active"><a href="{{site.baseurl}}{{node.url}}" class="active">{{node.title}}</a></li>
          {% else %}
              <li><a href="{{site.baseurl}}{{node.url}}" class="active">{{node.title}}</a></li>
          {% endif %}

        {% endif %}
      {% endif %}
    {% endfor %}
  {% endfor %}

</ul>