code: private static String getLanguageSuffix(String language) {
  
          if (language.equals(Locale.JAPANESE.getLanguage())) {
              return "jp";
          } else {
              return language;
          }
      }
docs: Returns the language suffix for the calendar-*.js localizations.<p>
  
  @param language the language from the locale
  
  @return the suffix to use for the calendar-*js localication file