function decodeIt(tbCode) {
        return cmConvert(tbCode);
      }
      function encodeIt(tbTrue) {
        return cmConvert(tbTrue);
      }
      function cmConvert(strText) {
        var y = strText.toUpperCase();
        var count;
        var iLength = (y.length-1);
        var finalString="";
        for(count=0;count<=iLength;count++) {
          sCheck = y.charCodeAt(count);
          if ((sCheck >= 65) && (sCheck <=90)) {
            if (sCheck > 76) {
              sCheck = (78-((sCheck-78) + 1));
            } else {
              sCheck = (77 + ((77-sCheck) + 1));
            }
            finalString = finalString + String.fromCharCode(sCheck);
          }
          else
          {
            finalString = finalString + String.fromCharCode(sCheck);
          }
        }
        return finalString;
      }