anchor.diff:      <div class="span4">
         <h6>Partier</h6>
         <ul class="nav multiple-select">
  +        <li>
  +          <%= link_to "Vis alle", promises_path(category_id: @category_id, subcategory_id: @subcategory_id) %>
  +        </li>
           <% parties.each do |party| %>
             <li class="<%= party.slug == @party_slug ? 'active' : '' %>">
               <%= link_to party.name, promises_path(category_id: @category_id, subcategory_id: @subcategory_id, party_slug: party.slug) %>
  
positive.code:     <div class="span4">
        <h6>Hovedkategorier</h6>
        <ul class="nav multiple-select">
        <% categories.each do |category| %>
          <li class="<%= category.id == @category_id.to_i ? 'active' : '' %>">
            <%= link_to category.human_name, promises_path(category_id: category.id, party_slug: @party_slug) %>
          </li>
        <% end %>
        </ul>
      </div>
  
      <div class="span4" id="subcategories-select">
        <h6>Underkategorier</h6>
        <ul class="nav multiple-select">
          <% categories.each do |category| %>
            <% category.children.each do |subcategory| %>
              <li class="<%= subcategory.id == @subcategory_id.to_i ? 'active' : ''; subcategory.parent_id == @category_id.to_i ? '' : 'hidden' %>">
  
negative.code:     </div>
  
    </div>
  </div>
  
    <!-- VISIBLE IN MOBILE --> 
  <div class="hidden-desktop">
  