}
        return url.replaceFirst("\\{lang\\}", target == null ? "EN" : target);
    }

    public String getHelpLink(final String name) {
        final String url = ComponentUtil.getFessConfig().getOnlineHelpBaseLink() + name + "-guide.html";
        return getHelpUrl(url);
    }

    protected String getHelpUrl(final String url) {
        final Locale locale = ComponentUtil.getRequestManager().getUserLocale();