Top films at the North American box office (omg!)

omg! - LOS ANGELES (Reuters) - Following are the top 10 movies at North American box offices for the four-day, New Year's holiday weekend ending on Monday with "Mission Impossible: Ghost Protocol" at No. 1 , according to studio estimates compiled by Reuters. 1 (1) Mission: Impossible - Ghost Protocol..$ 38.3 million 2 (2) Sherlock Holmes: A Game of Shadows....$ 26.5 million 3 (3) Alvin and the Chipmunks: Chipwrecked..$ 21.0 million 4 (7) War Horse ............................$ 19.2 million 5 (4) The Girl With the Dragon Tattoo.......$ 19.0 million 6 (6) We Bought a Zoo ......................$ 16. ...