anchor.diff:                   );
           }
   
  -        function sumSort(dataView) {
  +        function sumSort(dataView, skipLast) {
               var numOfRows = dataView.getNumberOfRows();
               var numOfCols = dataView.getNumberOfColumns();
  +            if(skipLast) {
  +                numOfCols--;
  +            }
               var rowIndex = [];
               for(var i=0; i < numOfRows; i++)
                   rowIndex.push(i);
  
positive.code:         $("#histogram_sort").tipTip();
          $("#histogram_sort").click(function(event) {
              event.preventDefault(); // Not to scroll to the top
  
              sortPermanently = true;
              drawChart();
          });
  
  
negative.code: <script type="text/javascript">
      google.load("visualization", "1", {packages:["corechart"]});
      var genesQueried = "";
      var shownHistogram = 1;
  
      $(document).ready(function() {
          $("#crosscancer_summary_message").hide();
  