code: public JButton addButton(String strParam)
      {
          String strDesc = strParam;
          BaseApplet applet = this.getBaseApplet();
          if (applet != null)
              strDesc = applet.getString(strParam);
          return this.addButton(strDesc, strParam);
      }
docs: Add a button to this window.
  Convert this param to the local string and call addButton.
  @param The key for this button.
  @return TODO