anchor.diff:              <% if @results[:include_references] %>
                 <td>
                   <% if continuous_value %>
  -                  <span class="notes_popover" rel="popover" data-content="<%= continuous_value.source_reference %>" data-original-title="Source">
  +                  <span class="source_popover" rel="popover" data-content="<%= continuous_value.source_reference %>" data-original-title="Source">
                     <%= truncate(continuous_value.source_reference.to_s) %>
                   <% end %>
                 </td>
  
positive.code:             <% if @results[:include_references] %>
              <td>
                <% if categorical_value %>
                    <span class="notes_popover" rel="popover" data-content="<%= categorical_value.source_reference %>" data-original-title="Source">
                    <%= truncate(categorical_value.source_reference.to_s) %>
                <% end %>
              </td>
  
negative.code: </div>
  <script type="text/javascript">
    $(document).ready(function() {
      $('.notes_popover, .source_popover').popover({trigger: 'hover', html: true, placement: 'bottom', delay: {hide: 100} });
    });
  </script>
  