anchor.diff:    <tr>
       <td> <i>D. melanogaster</i> </td>
       <td> Transcription factor binding sites</td>
  -    <td> <a href="http://www.flyreg.org" target="_new" class="extlink">REDfly</a> - 11th Jul 2013</td>
  +    <td> <a href="http://www.flyreg.org" target="_new" class="extlink">REDfly</a> - 03 Jun 2015</td>
       <td> Bergman et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/15572468" target="_new" class="extlink">PubMed: 15572468</a></td>
       <td>  &nbsp; </td>
     </tr>
  
positive.code:     <td rowspan="3" class="leftcol"><p> <h2>Gene Ontology</h2></p></td>
      <td> <i>D. melanogaster</i> </td>
      <td> GO annotations </td>
      <td> <a href="http://www.geneontology.org" target="_new" class="extlink">Gene Ontology Site</a> - 14th May 2014</td>
      <td> Gene Ontology Consortium - <a href="http://www.ncbi.nlm.nih.gov/pubmed/10802651" target="_new" class="extlink">PubMed:10802651</a></td>
      <td> &nbsp;</td>
    </tr>
  
negative.code:        <p><i>S. cerevisiae</i></p>
      </td>
       <td>Orthologue and paralogue relationships between these 8 organisms</td>
      <td><a href="http://www.pantherdb.org" target="_new" class="extlink">Panther</a> version 10.0 - May 2015</td>
      <td>Mi et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/23193289 " target="_new" class="extlink">PubMed: 23193289</a></td>
      <td> &nbsp; </td>
      <td> &nbsp; </td>
  