Skrypt nie działa w zamkniętych nitkach, czyli takich zupełnie bez formularza

[yeon-boy]

Test case: http://karachan.org/c/res/19020.html

TypeError: Cannot read property 'addEventListener' of null
    at FormValidator.setSubmitAction (unknown source)), 47:36)
    at new FormValidator (unknown source)), 43:8)
    at new KurahenPremium (unknown source)), 179:24)
    at main (unknown source)), 1321:26)
    at Object.eval (unknown source)), 1326:2)
    at Object.eval (unknown source)), 1333:4)
    at s (unknown source), 28:72)
    at Z (unknown source), 28:99)
    at aa (unknown source), 58:246)
    at d (unknown source), 59:99)