anchor.diff:      function buildLink(row) {
           var baseUrl = "${baseUrl}";
           var link = null;
  -        if(row.procedure_name.startsWith("Viability Primary Screen") && row.parameter_stable_id !== "IMPC_VIA_001_001") {
  +        if (row.procedure_name.startsWith("Viability Primary Screen") && row.parameter_stable_id !== "IMPC_VIA_001_001") {
               link = null;
  -        }
  -        else if(row.procedure_name.startsWith("Histopathology")) {
  +        } else if (row.procedure_name.startsWith("Histopathology")) {
               link = baseUrl + '/histopath/' + row.gene_accession_id;
   
  -            if(row.phenotype_term) {
  +            if (row.phenotype_term) {
                   var term = row.phenotype_term.split('-')[0];
                   link = link + '?anatomy="' + term + '"';
               }
  -        } else if(row.procedure_name.startsWith("Gross Pathology and Tissue Collectio")) {
  +        } else if (row.procedure_name.startsWith("Gross Pathology and Tissue Collectio")) {
               link = baseUrl + '/grosspath/' + row.gene_accession_id + '/' + row.parameter_stable_id;
           } else {
  -            link =  baseUrl + "/charts?accession=" + row.gene_accession_id;
  +            link = baseUrl + "/charts?accession=" + row.gene_accession_id;
               link += "&allele_accession_id=" + row.allele_accession_id;
               link += "&parameter_stable_id=" + row.parameter_stable_id;
  -            if(zygosityMap[row.zygosity]) {
  +            if (zygosityMap[row.zygosity]) {
                   link += "&zygosity=" + zygosityMap[row.zygosity];
               }
               link += "&phenotyping_center=" + row.phenotyping_center;
  
positive.code:         };
      }
  
      function updateURLParameter(url, param, paramVal){
          var newAdditionalURL = "";
          var tempArray = url.split("?");
          var baseURL = tempArray[0];
  
negative.code:         var temp = "";
          if (additionalURL) {
              tempArray = additionalURL.split("&");
              for (var i = 0; i < tempArray.length; i++) {
                  if (tempArray[i].split('=')[0] != param) {
                      newAdditionalURL += temp + tempArray[i];
                      temp = "&";
                  }
  