93:   var rvEnd   = ua.indexOf(')', rvStart);
          var rv      = ua.substring(rvStart+3, rvEnd);
          var rvParts = rv.split('.');

    79:           // gecko version is YYYYMMDD
                  drh.geckoVersion = dua.substring(geckoPos + 6, geckoPos + 14);
          }

    62:   var rvEnd = navigator.userAgent.indexOf(')', rvStart);
          var rv = navigator.userAgent.substring(rvStart, rvEnd);
          var decIndex = rv.indexOf('.');

    81:   var rvEnd   = ua.indexOf(')', rvStart);
          var rv      = ua.substring(rvStart+3, rvEnd);
          var rvParts = rv.split('.');

   399:   if (i >= 0) {
                  preparens = Trim(ua.substring(0,i));
                  parenthesized = ua.substring(i+1, uaLen);
                  j = parenthesized.indexOf(")");

    64:   if (offset >= 0) {
              parseVersionString(ua.substring(offset + 8, indexOf(ua, " ", offset)));
          }

    70:   if (offset >= 0) {
              parseVersionString(ua.substring(offset + 5, indexOf(ua, ";", offset)));
          }

    80:   if (drh.mozilla) {
                  drh.geckoVersion = dua.substring(geckoPos + 6, geckoPos + 14);
          }

    72:   if (offset >= 0) {
              parseVersionString(ua.substring(offset + 8, indexOf(ua, " ", offset)));
          }

    78:   if (offset >= 0) {
              parseVersionString(ua.substring(offset + 5, indexOf(ua, ";", offset)));
          }

   138:   var start = navigator.userAgent.indexOf("Gecko/") + 6;
          var build = parseInt(navigator.userAgent.substring(start, start + 8));
          if (typeof InstallTrigger == "object"

   666: if(drh.mozilla){
        drh.geckoVersion=dua.substring(_b3+6,_b3+14);
        }