anchor.diff:    <tr>
       <td> <i>D. melanogaster</i></td>
       <td rowspan="2"> Protein family and domain assignments to proteins</td>
  -    <td rowspan="2"> <a href="http://www.ebi.ac.uk/interpro" target="_new">InterPro</a></td>
  -    <td rowspan="2"> Mulder et al - <a href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=17202162" target="_new">PubMed: 17202162</a></td>
  +    <td rowspan="2"> <a href="http://www.ebi.ac.uk/interpro" target="_new" class="extlink">InterPro</a></td>
  +    <td rowspan="2"> Mulder et al - <a href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=17202162" target="_new" class="extlink">PubMed: 17202162</a></td>
       <td> &nbsp;</td>
     </tr>
   
  
positive.code:  <p> Phenotypes</p></html:link></td>
  <td> <i>D. melanogaster</i> </td>
  <td> Alleles and phenotypes</td>
  <td> <a href="http://www.flybase.org" target="_new">FlyBase</a></td>
  <td> Crosby et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099233" target="_new">PubMed: 17099233</a></td>
  <td> &nbsp;</td>
  </tr>
  
  <tr>
  <td> <i>D. melanogaster</i> </td>
  <td> High-throughput cell-based RNAi screens</td>
  <td> <a href="http://flyrnai.org" target="_new">Drosophila RNAi Screening Center</a></td>
  <td> Flockhart et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/16381918" target="_new">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">WormBase</a></td>
  <td> Bieri et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099234" target="_new">PubMed: 17099234</a></td>
  <td> &nbsp;</td>
  </tr>
  
  
negative.code:         <p> Literature</p></html:link></td>
      <td> <i>D. melanogaster</i> </td>
      <td rowspan="2"> Gene versus publications</td>
      <td rowspan="2"> <a href="http://www.ncbi.nlm.nih.gov" target="_new" class="extlink">NCBI</a></td>
      <td rowspan="2"> &nbsp;</td>
      <td> &nbsp;</td>
    </tr>
  