anchor.diff:    <tr>
       <td> <i>D. melanogaster</i> </td>
       <td> High-throughput cell-based RNAi screens</td>
  -    <td> <a href="http://flyrnai.org" target="_new" class="extlink">Drosophila RNAi Screening Center</a> - 29 Nov 2011</td>
  -    <td> Flockhart et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/16381918" target="_new" class="extlink">PubMed: 16381918</a></td>
  +    <td> <a href="http://genomernai.org" target="_new" class="extlink">GenomeRNAi</a> - Version 6.0; 12th Jan 2012</td>
  +    <td> Gilsdorf et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/19910367" target="_new" class="extlink">PubMed: 19910367</a></td>
       <td> &nbsp;</td>
     </tr>
     <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> - 21 October 2010</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>
  
    <tr>
      <td rowspan="6" class="leftcol"><p><h2>Expression</h2></p></td>
      <td> <i>D. melanogaster</i> </td>
      <td> Microarray-based gene expression data for the life cycle of D. melanogaster</td>
      <td> <a href="http://www.ebi.ac.uk/arrayexpress" target="_new" class="extlink"> ArrayExpress </a> - Experiment E-FLYC-6</td>
  