anchor.diff:          <% @version_fileId_map.sort.each do |each_version, review_file_id| %>
               <% if each_version.to_s == @current_review_file.version_number.to_s %>
                   <td class="version_number current_version" >
  -                  <%= link_to each_version, :controller => 'review_files',
  +                  <%= link_to each_version,
  +                              {:controller => 'review_files',
                                 :action => 'show_code_file',
                                 :review_file_id => review_file_id,
                                 :participant_id => @participant.id,
  -                              :versions => file_versions %>
  +                              :versions => file_versions}, :class =>"version_link" %>
                   </td>
               <% else %>
                   <td class="version_number" >
  -                  <%= link_to each_version, :controller => 'review_files',
  +                  <%= link_to each_version,
  +                              {:controller => 'review_files',
                                 :action => 'show_code_file',
                                 :review_file_id => review_file_id,
                                 :participant_id => @participant.id,
  -                              :versions => file_versions %>
  +                              :versions => file_versions}, :class =>"version_link" %>
                   </td>
               <% end %>
   
  
positive.code:       tr.highlight :hover { font-weight: bold;  }
  
        td.version_number {
            background-color: #faee7f;
            border-left: thin solid gray;
            border-right: thin solid gray;
            border-top: thin solid gray;
            border-bottom: thin solid gray;
        }
  
        td.version_number :hover {
            font-weight: bold;
  
negative.code:     </table>
    </div>
  
    <div id="dashboard_header" style= "border: thin solid; border-width: 1px; background-color: rgba(250, 3, 0, 0.37);" >
      <table  cellpadding='5px' cellspacing='4' >
        <tr>
          <td align="right">View Version:</td>
  