docs: function(date, formatString, language){
          if (!date) return date;
          var array = formatString.match(u.date._formattingTokens), i, length,output='';
          var _date = u.date.getDateObj(date);
          if (!_date) return date;
          language = language || u.core.getLanguages();
          for (i = 0, length = array.length; i < length; i++) {
              if (u.date._formats[array[i]]) {
                  output += u.date._formats[array[i]](_date, language);
              } else {
                  output += array[i];
              }
          }
          return output;
      }