anchor.diff:                              + '</tr>'
                           );
   
  +                        drugMap[drug[2]] = drug[0];
                           keywords.push(drug[2]);
                       }
   
  
positive.code: <script type="text/javascript" src="js/jquery.highlight-4.js"></script>
  <script type="text/javascript">
      var keywords = [];
  
      var populateDrugTable = function() {
          var drugIds = [];
  
negative.code:         $.post("drugs.json",
                  { drug_ids: drugIds.join(",") },
                  function(data) {
                      // Reset the map
                      drugMap = {};
  
                      $("#drugs_wait").hide();
                      for(var i=0; i < data.length; i++) {
                          var drug = data[i];
  