boolean login(String userName, String password) {
    try {
      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      Connection con = 
        DriverManager.getConnection("jdbc:odbc:JavaWeb");
      System.out.println("got connection");

      Statement s = con.createStatement();
      String sql = "SELECT UserName FROM Users" +
        " WHERE UserName='" + userName + "'" +
        " AND Password='" + password + "'";
      ResultSet rs = s.executeQuery(sql);
      if (rs.next()) {
        rs.close();
        s.close();
        con.close();
        return true;
      }
      rs.close();
      s.close();
      con.close();
    }
    catch (ClassNotFoundException e) {
      System.out.println(e.toString());
    }
    catch (SQLException e) {
      System.out.println(e.toString());
    }
    catch (Exception e) {
      System.out.println(e.toString());
    }
    return false;
  }