anchor.diff:        </c:forEach>;
   
         <%-- default filter --%>
  -      var filter = {
  +      geneExpressionAtlasDisplayer.currentFilter = {
           'regulationType': ["UP", "DOWN"]
         };
   
         <%-- let's rumble --%>
  -      filterAndDrawChart(filter);
  +      filterAndDrawChart();
  +    })();
  +
  +    <%-- attache events to the sidebar settings and set as filters --%>
  +    (function() {
  +      function updateCurrentFilter() {
  +        <%-- regulation type (UP/DOWN/NONE) --%>
  +        geneExpressionAtlasDisplayer.currentFilter.regulationType = new Array();
  +        jQuery("#gene-expression-atlas div.settings fieldset.regulation-type input:checked").each(function() {
  +          geneExpressionAtlasDisplayer.currentFilter.regulationType.push(jQuery(this).attr('title'));
  +        });
  +
  +        jQuery("#gene-expression-atlas-chart-organism_part.chart").empty();
  +
  +        <%-- redraw --%>
  +        filterAndDrawChart(true);
  +      }
  +
  +      jQuery("#gene-expression-atlas div.settings fieldset.regulation-type input").click(updateCurrentFilter);
       })();
     </script>
   </c:forEach>
  
positive.code:   <div class="chart" id="gene-expression-atlas-chart-${category.key}"></div>
  
    <script type="text/javascript">
      <%-- call me to draw me --%>
      function drawChart(liszt) {
        google.load("visualization", "1", {packages:["corechart"]});
        google.setOnLoadCallback(googleChart);
  
        <%-- the Goog draws here --%>
        function googleChart() {
  
negative.code:   </div>
    <div class="settings">
      <strong>Show regulation type</strong>
      <fieldset class="regulation-type">
        <label for="upregulation-check">Upregulation</label>
        <input type="checkbox" id="upregulation-check" title="UP" checked="checked" />
        <label for="downregulation-check">Downregulation</label>
        <input type="checkbox" id="downregulation-check" title="DOWN" checked="checked" />
        <label for="noregulation-check">Not expressed</label>
        <input type="checkbox" id="noregulation-check" title="NONE" />
      </fieldset>
    </div>
  </div>
  