var countdown = {
    init: function() {
        countdown.remaining = countdown.max - $(countdown.obj).val().length;
        if (countdown.remaining > countdown.max) {
            $(countdown.obj).val($(countdown.obj).val().substring(0, countdown.max));
        }
        $(countdown.obj).siblings(".remaining").html(countdown.remaining);
    },
    max: null,
    remaining: null,
    obj: null
};