THE folks promoting the demonically depraved Lars von Trier movie, “Antichrist,” were given some help at Friday night’s screening at Lincoln Center when a man in the audience had a seizure while a scene was unfolding in which Charlotte Gainsbourg tortures the dangly bits of Willem Dafoe‘s character. “People starting screaming, ‘Call an ambulance!’ ‘Call 911,’ including the familiar voice of actress Lili Taylor,” wrote TheLostBoy.com blogger Peter Knegt. “Four or five policemen entered the theater, helping the man (who was apparently OK).”