anchor.diff:  
     <!-- COMMON IN EDIT AND NEW FORM -->
   
  -
     <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
     <script src="/javascripts/backoffice/project_map.js" type="text/javascript" charset="utf-8"></script>
     <script src="/javascripts/plugins/jquery.mousewheel.js" type="text/javascript" charset="utf-8"></script>
     <script src="/javascripts/plugins/jquery.jscrollpane.js" type="text/javascript" charset="utf-8"></script>
     <script src="/javascripts/plugins/jquery.stylish-select.js" type="text/javascript" charset="utf-8"></script>
  -  <script src="/javascripts/backoffice/project.js" type="text/javascript" charset="utf-8"></script>
  -
  +  <script src="/javascripts/backoffice/project.js" type="text/javascript" charset="utf-8"></script>
positive.code: 
        <ul class="clusters">
          <% unless @project.clusters.empty? %>
                <% @project.clusters.each do |cluster| %>
                  <li id="cluster_<%= cluster.id %>"><p><%= cluster.name %></p><input id="<%= cluster.id %>" type="checkbox" name="project[clusters_ids][]" value="<%= cluster.id %>" checked="true"/><a href="#cluster_<%= cluster.id %>" class="remove_this close"></a>
              </li>
                <% end -%>
            <% end -%>
        </ul>
      <div class="cluster_options">
        <span class="combo_cluster_options">
  
negative.code:       </div> <!-- field -->
      </div>
    </div>
  
    <div class="two_columns">
      <div class="left_column">
  