anchor.diff:    <tr>
       <td> <i>D. melanogaster</i> </td>
       <td> Insertions (including DrosDel and Exelixis) </td>
  -    <td> <a href="http://www.flybase.org" target="_new" class="extlink">Flybase</a> - Version FB2012_06</td>
  +    <td> <a href="http://www.flybase.org" target="_new" class="extlink">Flybase</a> - Version FB2013_02</td>
       <td> Crosby et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099233" target="_new" class="extlink">PubMed: 17099233</a></td>
       <td>&nbsp;</td>
     </tr>
  
positive.code:   <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> - 21st September 2012</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>
  
negative.code:   <tr>
      <td> <i>D. melanogaster</i> </td>
      <td> Genome-wide RNA_seq Expression Data: raw data produced by modENCODE analysed by FlyBase</td>
      <td> <a href="http://www.flybase.org" target="_new" class="extlink">Flybase</a> - Version FB2013_02</td>
      <td> Gelbart and Emmert - 2010<a href="http://flybase.org/reports/FBrf0212041.html" target="_new" class="extlink">FlyBase Report</a></td>
      <td> &nbsp;</td>
    </tr>
  