anchor.diff:              } else {
                   jQuery("#cl-km").attr('disabled', 'disabled');
               }
  -            if (feature_count <= 50) {
  +            if (feature_count <= max_cluster) {
                   hm_cl.clusterVariables(); // clustering method will call draw action within it.
               }
               // cx_cellline.kmeansVariables();
  
positive.code: 
          <div id="heatmapGraph" style="display: block">
  
          <c:if test="${FeatureCount > 50}">
          Please note that clustering functions are not available for lists with more than 50 elements.
          <br>
          </c:if>
  
  
negative.code: })
  </script>
  
  <c:set var="MAX_CLUSTER" value="150" />
  <c:set var="MAX_MAP" value="300" />
  <c:set var="MAX_DEFAULT_OPEN" value="100" />
  
  <%--
  <hr>
  ${expressionScoreJSONCellLine}
  <hr>
  --%>
      <div id="heatmap_div">
          <p>
            <h2>
  