Paramount's Jackass sequel smashed its way to the top of the charts onan estimated $28.1m, leaving the more choreographed mayhem of Rogue Pictures' JetLi's Fearless far behind in secondplace on $10.6m.

The world war one aerialcombat tale Flyboys opened infourth place through MGM on a disappointing $6m, while Sony's poorly receivedpolitical drama All The King's Menstarring Sean Penn also failed to inspire audiences and limped home in seventhplace on $3.8m.

Overall it was the thirdconsecutive weekend in which box office trailed the same period in 2005, as thetop 12 pictures combined for $81.9m, down 7% against last year.

Jackass: Number Two received mostly strong reviews and performed betterthan the original, which launched in first place in October 2002 on $22.8m andfinished on $64.3m.

Fearless stars Jet in what the actor has called his lastfull-on martial arts role. The critics loved him as the legendary Chinesewarrior at the turn of the 20th century who overcomes personal tragedy to sealhis place in history.

Fox Searchlight's comedy LittleMiss Sunshine crossed $50 in itsninth weekend as a $2.9m weekend haul lifted it to $50.3m and 10th place. Thetop 10's other big success story, Yari Film Group's The Illusionist, added $3.3m for $27.5m to rank ninth after six.

Warner Independent Pictures'Sundance pick-up The Science Of Sleep from Michel Gondry and starring Gael Garcia Bernal and CharlotteGainsbourg opened in limited release and took a powerful $347,0000 from 14theatres. It expands next weekend.

Next weekend's wide releasesare: Buena Vista's lifeguard action drama The Guardian starring Kevin Costner and Ashton Kutcher; TWC/MGM'scomedy School For Scoundrels starringBilly Bob Thornton and Jon Heder; and Sony's animated feature Open Season voiced by Martin Lawrence among others.

Estimated Top Ten NorthAmerica Sept 22-24, 2006

Film(Distributor)/International distribution/Estimated weekend gross/Estimatedtotal to date

1 (-) Jackass: Number Two (Paramount) UIP $28.1m -

2 (-) Jet Li's Fearless (Rogue Pictures) Focus Features $10.6m -

3 (1) Gridiron Gang (Sony) SPRI $9.7m $27.1m

4 (-) Flyboys (MGM) Voltage Pictures $6m -

5 (3) Everyone's Hero (Fox) IDT Entertainment $4.8m $11.6m

6 (2) The Black Dahlia (Universal) Millennium/Nu Image $4.4m $17.3m

7 (-) All The King's Men (Sony) SPRI $3.8m -

8 (4) The Covenant (Screen Gems) SPRI $3.3m $20.3m

9 (7) The Illusionist (Yari Film Group) Syndicate $3.3m $27.5m

10 (8) Little MissSunshine (Fox Searchlight) Fox Int'l$2.9m $50.3m