public TemplateInterceptor getTemplateInterceptor(ServletConfig config){
    String s=config.getInitParameter("Context");
    if (s==null)
      s=config.getServletContext().getInitParameter("Context");
    if (s==null)
      return null;
    final String urlContext=s;
    return new TemplateInterceptor() {
      public void postLoad(Section template){
        if (urlContext!=null)
          template.replace("Context", urlContext, true);
      }
      public void preRender(Section template){}
    };
  }