How to pull off the perfect prank

If you're looking to pull off the perfect prank, we've got some rules you need to follow.

...an NFL football game against the Tampa Bay Buccaneers Sunday Nov. 22, 2009 in Tampa, Fla. (AP Photo/Chris O'Meara

...NBA basketball game Wednesday, Nov. 25, 2009, in Houston. The Mavericks defeated the Rockets 130-99. (AP Photo/David J. Phillip

...basketball game at Philips Arena, Thursday, Nov. 26, 2009, in Atlanta. The Magic won 93-76. (AP Photo/Gregory Smith

...winning the US Open championship at Torrey Pines Golf Course on in this June 16, 2008 file photo taken in San Diego. Tiger Woods was injured early Friday Nov. 27, 2009 when he lost control...

...the Florida International University Golden Panthers November 21, 2009 at Ben Hill Griffin Stadium in Gainesville, Florida. (Photo by Al Messerschmidt/Getty Images

his May 27, 2009 file photo shows Toronto Blue Jays starting pitcher Roy Halladay throwing to a Baltimore Orioles batter during the second...

...Minneapolis. Lopez led the Nets with 27 points in their 95-93 loss to the Timberwolves. (AP Photo/Jim Mone

...the MLS Cup championship soccer match at Qwest Field in Seattle, on Sunday, Nov. 22, 2009. (AP Photo/Kevin P. Casey

Kurt Snibbe

...to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2009 NBAE (Photo by Fernando Medina/NBAE via Getty Images

...quarter of an NFL football gameagainst the San Diego Chargers, Sunday, Nov. 22, 2009 in Denver. (AP Photo/Jack Dempsey

...to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2009 NBAE (Photo by Fernando Medina/NBAE via Getty Images

...of the "Allen Iverson Celebrity Summer Classic" charity events weekend Friday, July 14, 2006 in Washington. (AP Photo/Evan Vucci

This photo taken Nov. 8, 2009 shows a roasted turkey in apricot-chili glaze. With the roots of Americans...