anchor.diff:      		});
   
               $("#select_gene_set").combobox();
  +
  +            if($("#gene_list").val().length > 0) {
  +                validateGenes();
  +            }
           });
   
           (function($) {
  
positive.code: 
  <p id="genestatus"></p>
  
  <%
  // Output step 4 form validation error
  if (step4ErrorMsg != null) {
      out.println("</div>");
  }
  %>
      
     <p id="example_gene_set"><span style="font-size:80%">Select from Example Gene Sets:<br>
      <select id="select_gene_set" name="<%= QueryBuilder.GENE_SET_CHOICE %>"></select></span></p>
  
negative.code:         <button id="toggle_mutsig_dialog" onclick="promptMutsigTable(); return false;" style="font-size: 1em;">Select From Recurrently Mutated Genes (MutSig)</button>
          <button id="toggle_gistic_dialog_button" onclick="Gistic.UI.open_dialog(); return false;" style="font-size: 1em; display: none;">Select Genes from Recurrent CNAs (Gistic)</button>
      </div>
  
      <P/>
      <script type="text/javascript">
  