anchor.diff:                  <li><%= link_to 'desconectar', destroy_user_session_path, :method => 'delete' %></li>
                 <% end %>
               </ul>
  -          </div><!-- topmenu -->
  -          <div class="span4" id="logo">
  -            <%= link_to image_tag('logo.png'), root_path %>
  -          </div>
  -          <div class="span4">
               <div class="control-group">
                 <div class="controls">
                   <div class="input-prepend">
  
positive.code:             <%= image_tag('ribbon.png') %>
            </div>
            <div class="span6" id="topmenu">
        <% if user_signed_in? %>
          <div id="avatar">
            <%= link_to image_tag(current_user.avatar.url(:small), :size => "40x40"), "/profile/#{current_user.username}" %>
          </div>
        <% end %>
              <ul>
                <% unless user_signed_in? %>
                  <li><%= link_to 'nuevo usuario', new_user_registration_path %></li>
  
negative.code:                 </div>
                </div>
              </div>
              <div id="social-buttons">
              </div>
            </div><!-- topmenu -->
            <div class="span4" id="logo">
              <%= link_to image_tag('logo.png'), root_path %>
            </div>
          </div><!-- row -->
          <div class="row">
            <div class="span4">
            </div>
          </div><!-- row -->
        </div>
        <div class="container-fluid" id="mainnav">
          <div class="container">
  