void apply() {
      Utils.setStoredValue(OPEN_HELP_FROM_WEB, String.valueOf(openWebSite.isSelected()));
      Utils.setStoredValue(USE_BROWSER, String.valueOf(webBrowserList.getSelectedItem()));
      Utils.setStoredValue(OPEN_HELP_BASE_URL, baseUrl.getText());
      modified = false;
    }
void apply()