public void doGet (HttpServletRequest req, HttpServletResponse res)  throws IOException, ServletException
    {
     HttpSession session=req.getSession();
     res.setContentType( "text/plain; charset=windows-1251 ");

     PrintWriter out = res.getWriter();

     String reqEnc = req.getCharacterEncoding();
     String resEnc = res.getCharacterEncoding();

     if(reqEnc==null ) reqEnc= "ISO-8859 - 1 ";
     if(resEnc==null ) resEnc= "Cp1251" ;
.............................