anchor.diff:                  </c:forEach>
                   -->
   
  -                <!-- Output legend -->
  -                <c:if test="${hasAnatomogram!=null}">
  -                    <table cellspacing="2" cellpadding="0" border="0" width="100%">
  -                        <tr>
  -                            <c:if test="${ef!=null}">
  -                                <td style="vertical-align:top;">
  -                                    <div class="sq">
  -                                        <div class="udduo"></div>
  -                                        <div class="uddnval">3</div>
  -                                        <div class="udupval">1</div>
  -                                    </div>
  -                                </td>
  -                            </c:if>
  -                            <td>
  -                                <div style="padding-left:0px; font-size:12px;">
  -                                    Number of published studies where the gene is <span
  -                                        style="color:red">over</span>/<span
  -                                        style="color:blue">under</span> expressed compared to the gene's overall mean
  -                                    expression level in the study.
  -                                </div>
  -                            </td>
  -                        </tr>
  -                    </table>
  -                </c:if>
  -
  -                <c:if test="${ef==null}">
  +                <c:if test="${empty ef}">
                       <div style="padding-left:0px; font-size:10px;">
                          <c:choose>
                              <c:when test="${experimentalFactor.name != 'organism_part'}">
  
positive.code:             function() {
                  for (var i = 0; i < exps.length; ++i) {
                      var eid = jQuery.trim(exps[i].id);
                      redrawPlotForFactor(eid, '${atlasGene.geneId}', 'organism_part', true, '');
                  }
                  $('#pagingSummary').text(exps.length + " experiment" + (exps.length > 1 ? "s" : '') + " showing differential expression in \"" + efo + "\"");
                  var lnk = $("<a>Show all studies</a>").bind("click", reloadExps);
  
negative.code:             panelContent.push("<span id='" + ef + "' class='current'>" + ef_txt + "</span>")
          }
          else {
              panelContent.push('<a id="' + ef + '" onclick="redrawPlotForFactor( \'' + eid + '\',\'' + eacc + '\',\'' + gid + '\',\'' + ef + '\',\'' + efv + '\',\'' + plotType + '\',false)">' + ef_txt + '</a>');
          }
      });
  
  