code: private String getAvailableLocalString() {
  
          String res = "";
  
          for (Locale locale : OpenCms.getLocaleManager().getAvailableLocales()) {
              res += locale.toString() + ",";
          }
          if (res.endsWith(",")) {
              res = res.substring(0, res.length() - 1);
          }
          return res;
      }
docs: Returns the property string for all available locales.<p>
  
  @return String to use in properties