//Valon Berisa
    public boolean isLoginOK(String _user, String _pwd) throws Exception {
        boolean isOK = false;
        conn = createConnection(CONN_STRING); // let's assume there is already a Connection variable

        // Prepare statement
        PreparedStatement myStmt = conn.prepareStatement("SELECT count(*) FROM member WHERE user=? AND passwort=?");

        // Set the parameters
        myStmt.setString(1, _user);
        myStmt.setString(2, _pwd);

        ResultSet rs = myStmt.executeQuery();

        if (rs.next() && rs.getInt(1) == 1) {
            isOK = true;
        }

        conn.close();
        return isOK;
    }