anchor.diff:          </div>
             <div class="items">
               <% begin
  -              favorites = Document.all.sample(5)
  -            end %>
  -            <% favorites.each do |doc| %>
  -              <%= render partial: 'repositories/resource', locals: { resource: doc} %>
  -            <% end %>
  +                experts = [Excursion.find(331), Excursion.find(329), Excursion.find(333), Excursion.find(434), Excursion.find(679)]
  +              rescue ActiveRecord::RecordNotFound => e
  +                experts = Excursion.all.sample(5)
  +              end %>
  +              <%experts.each do |doc| %>
  +                <%= render partial: 'repositories/resource', locals: { resource: doc} %>
  +              <% end %>
               <div class="clear"></div>
             </div>
         </div>
  
positive.code:         </div>
            <div class="items">
              <% begin
                  favorites = Document.all.sample(5)
                end %>
                <% favorites.each do |doc| %>
                  <%= render partial: 'repositories/resource', locals: { resource: doc} %>
                <% end %>
            <div class="clear"></div>
  
negative.code:           <h3>Estos son los <strong>recursos educativos favoritos</strong><br>de los usuarios de EducaInternet</h3>
              <p>Lorem ipsum dolor sit amet, Quisque porta, erat sit amet dapibus molestie, dolor quam tempus lacus, sed aliquam arcu dolor in dolor. Pellentesque a nibh orci. Aenean in ligula quis eros suscipit auctor.</p>
              <div class="items">
                   <% types = VishConfig.getAvailableResourceModels({:return_instances => true})
                      favorites = Search.search({:n => 10, :order => "ranking DESC", :ao_ids_to_avoid => [2538, 2513, 2559, 3510, 6392], :models=> types})%>
                    <% favorites.each do |doc| %>
                      <%= render partial: 'repositories/resource', locals: { resource: doc} %>
                    <% end %>
                  <div class="clear"></div>
              </div>
          </div>
  