anchor.diff:  
     <tr>
       <td>
  +       <p><i>C. elegans</i></p>
          <p><i>D. melanogaster</i></p>
          <p><i>H. sapiens</i></p>
  +       <p><i>M. musculus</i></p>
  +       <p><i>R. norvegicus</i></p>
       </td>
        <td>Orthologue and paralogue relationships between human and <i>Drosophila melanogaster</i></td>
       <td><a href="http://www.ensembl.org/info/docs/compara/index.html" target="_new" class="extlink">Ensembl Compara</a></td>
       <td></td>
       <td> &nbsp; </td>
     </tr>
  -
     <tr>
       <td rowspan="3"  class="leftcol"><p><h2>Proteins</h2></p></td>
       <td>
  
positive.code:     <td rowspan="5" class="leftcol"><p><h2>Resources</h2></p></td>
      <td> <i>D. melanogaster</i> </td>
      <td> <a href="http://www.drosdel.org.uk" target="_new" class="extlink">DrosDel</a> artificial deletions</td>
      <td> <a href="http://www.flybase.org" target="_new" class="extlink">FlyBase </a> - Version FB2011_10</td>
      <td> Ryder et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/15238529" target="_new" class="extlink">PubMed: 15238529</a></td>
      <td> &nbsp;</td>
    </tr>
  
negative.code:     <td> Enright et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/14709173" target="_new" class="extlink">PubMed:14709173</a></td>
      <td> &nbsp;</td>
    </tr>
    <tr>
      <td rowspan="4" 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> - 25 Jan 2012</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>
  <!--
    <tr>
      <td> <i>C. elegans</i></td>
      <td> GO annotations </td>
  