anchor.diff:                              pipeline.</h3>
                       </c:when>
                       <c:otherwise>
  -                        <h3>Data shown for array design: <span id="arrayDesign">${arrayDesign}</span></h3>
  +                        <h3>Data shown for array design: <span id="arrayDesign"></span></h3>
                       </c:otherwise>
                   </c:choose>
   
  
positive.code: 
          }
  
          var arrayDesign = null;
          var arrayDesignSpan = $('#arrayDesign');
          if (arrayDesignSpan) {
              arrayDesign = arrayDesignSpan.text();
          }
  
          var experiment = {
              id: '${exp.id}',
              accession: '${u:escapeJS(exp.accession)}',
              experimentFactors: [<c:forEach var="ef" varStatus="s" items="${exp.experimentFactors}">'${u:escapeJS(ef)}'<c:if test="${!s.last}">,</c:if></c:forEach>]
          };
  
          window.expPage = new ExperimentPage({
              experiment: experiment,
              arrayDesign: arrayDesign,
              gene: '${u:escapeJS(gene)}',
              ef: '${u:escapeJS(ef)}',
              efv: '${u:escapeJS(efv)}',
              updown: '${u:escapeJS(updown)}',
              offset: ${offset},
              limit: ${limit}
          });
  
      });
  
negative.code:                 <img title="Add to plot" border="0" src="images/chart_line_add.png" style="margin:auto;cursor:pointer;"/></a>
          </td>
          <td class="padded genename">
              <a href="${pageContext.request.contextPath}/gene/\${geneIdentifier}" title="${geneName}">\${geneName}</a>
          </td>
          <td class="padded">\${de}</td>
          <c:if test="${exp.typeString == 'RNA_SEQ'}">
            <c:choose>
                  <c:when test="${expSpecies[0] == 'homo sapiens'}">
                      <c:set var="ensembl_organism" value="Homo_sapiens"/>
              </c:when>
                  <c:when test="${expSpecies[0] == 'mus musculus'}">
                      <c:set var="ensembl_organism" value="Mus_musculus"/>
                  </c:when>
                  <c:when test="${expSpecies[0] == 'drosophila melanogaster'}">
                      <c:set var="ensembl_organism" value="Drosophila_melanogaster"/>
                  </c:when>
              <c:otherwise>
                      <c:set var="ensembl_organism" value="Homo_sapiens"/>
              </c:otherwise>
            </c:choose>
              <td class="padded wiggle"><a target="_blank"
                                           href="http://www.ensembl.org/${ensembl_organism}/Location/View?g=\${geneIdentifier};contigviewbottom=url:http://${pageContext.request.serverName}:${pageContext.request.serverPort}${pageContext.request.contextPath}/wiggle/\${geneIdentifier}_${exp.accession}_\${ef_enc}_\${efv_enc}.wig">Genome View</a></td>
          </c:if>
          <td class="padded">\${ef}</td>
          <td class="padded">\${efv}</td>
  