<div id="topnav" class="topnav">
  <ul id="navigation" class="navigation">

    <li class="<%= 'selected' if params[:controller] == 'request' and ['new', 'select_authority'].include?(params[:action]) %>">
      <%= link_to _("Make a request"), select_authority_path, :id => 'make-request-link' %>
    </li>

    <li class="<%= 'selected' if params[:controller] == 'request' and !['new', 'select_authority'].include?(params[:action]) %>">
      <%= link_to _("Browse requests"), request_list_successful_path %>
    </li>

    <li class="<%= 'selected' if params[:controller] == 'public_body' %>">
      <%= link_to _("View authorities"), list_public_bodies_default_path %>
    </li>

    <% unless AlaveteliConfiguration::blog_feed.empty? %>
      <li class="<%= 'selected' if params[:controller] == 'general' and params[:action] == 'blog' %>"><%= link_to _("Read blog"), blog_path %></li>
    <% end %>

    <li class="<%= 'selected' if params[:controller] == 'help' %>">
      <%= link_to _("Help"), help_about_path %>
    </li>

    <li id="navigation_search" class="navigation_search">
      <form id="navigation_search_form" class="navigation_search_form" method="get" action="<%= search_redirect_path %>" role="search">
        <label class="visually-hidden" for="navigation_search_button">
          <%= _("Search") %>
        </label>
        <%= text_field_tag 'query', params[:query], { :class => "navigation_search_button", :id => "navigation_search_button", :type => "search", :placeholder => _("Search"), :title => _("type your search term here") } %>
        <button type="submit">
          <span class="visually-hidden">
            <%= _("Submit Search") %>
          </span>
        </button>
      </form>
    </li>
  </ul>
</div>

Add template from core for override.
Add template from core for override.

From alaveteli commit 07d14ae06487c05455c685ff42690124a54a1a38
