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> - 13 June 2011</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> &nbsp;</td>
     </tr>
  -
  -  <tr>
  -    <td> <i>C. elegans</i> </td>
  -    <td> RNAi data from in vivo experiments</td>
  -    <td> <a href="http://www.wormbase.org" target="_new" class="extlink">WormBase</a> - Release WS200 </td>
  -    <td> Bieri et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099234" target="_new" class="extlink">PubMed: 17099234</a></td>
  -    <td> &nbsp;</td>
  -  </tr>
  -
     <tr>
       <td rowspan="3" class="leftcol"><p> <h2>Pathways</h2></p></td>
  -    <td> <p><i>D. melanogaster</i></p><p><i>C. elegans</i></p><p><i>S. cerevisiae</i></p></td>
  +    <td> <p><i>D. melanogaster</i></p><p><i>C. elegans</i></p></td>
       <td> Curated pathway information and the genes involved in them</td>
       <td> <a href="http://www.genome.jp/kegg/" target="_new" class="extlink">KEGG</a> - Release 58, 31 May 2011</td>
       <td> Kanehisa et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/16381885" target="_new" class="extlink">PubMed: 16381885</a></td>
  
positive.code:     <td rowspan="3"  class="leftcol"><p><h2>Homology</h2></p></td>
      <td><i>Drosophila</i></td>
      <td>Orthologues and paralogues between the 12 <i>Drosophila</i> genomes.</td>
      <td><a href="http://www.flybase.org" target="_new" class="extlink">Flybase</a> - Version FB2011_09</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>
  
negative.code:         <p><i>M. musculus</i></p>
      </td>
      <td> Protein annotation</td>
      <td> <a href="http://www.ebi.uniprot.org/index.shtml" target="_new" class="extlink">UniProt</a> - Release 2011_11</td>
      <td> UniProt Consortium - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17142230" target="_new" class="extlink">PubMed: 17142230</a></td>
      <td> &nbsp;</td>
    </tr>
  