(function ($) {
    $(document).ready(function () {
        $('INPUT.pwdtest').keypress(function () {
            var pwdBox = $(this);

            if (!pwdBox.next('.pwd_msg').length) {
                $('<span />').addClass('pwd_msg').insertAfter(pwdBox);
            }
            var pwdMsg = pwdBox.next('.pwd_msg');

            if (pwdBox.val().length >= 3) {
                $.post('/services/pwdstrength.asp', { pwd: pwdBox.val() }, function (data) {
                    if (data < 3) {
                        pwdBox.removeClass('pwd_strong').addClass('pwd_weak');
                        pwdMsg.html('too weak');
                    }
                    else {
                        pwdBox.removeClass('pwd_weak').addClass('pwd_strong');
                        pwdMsg.html('OK');
                    }
                });
            }
        });
    });
})(jQuery);