anchor.diff:  
     <%= render :partial => "subscriptions/subscribe", :locals => {:object => asset } -%>
  +  <% display_asset = asset.find_version(version) %>
     <% if asset.can_manage? -%>
       <% if asset.is_downloadable? -%>
           <li><%= link_to_function image("new")+" Upload new version", visual_effect(:toggle_appear, "upload_new_version_form") -%></li>
  
negative.code:           <li>
            <%= image_tag_for_key('download', polymorphic_path(asset,:version=>version,:action=>:download), "Download #{human_name}", nil, "Download #{human_name}") -%>
            </li>
            <% if asset.is_a?(DataFile) && display_asset.is_extractable_spreadsheet? %>
                <li>
                  <%= image_tag_for_key('spreadsheet', polymorphic_path(asset, :version => version, :action => :explore), "Explore #{human_name}", nil, "Explore #{human_name}") -%>
                </li>
  