HOLLYWOOD, Fla., Dec. 11 They split in 2004 after dating for a year, but Andy Roddick told guests at a casino in Hollywood, Fla., he and his ex Mandy Moore are cool.Moore, 22, appeared Friday night at the first annual Charity Celebrity Poker Tournament at the Seminole Hard Rock Hotel and Casino to lend star support. Roddick hosted the event.The tennis star, 24, told People magazine Moore is a good girl.The two talked in the gifting suite with other celebrities like Venus and Serena Williams and Nicky Hilton.The tournament raises funds for the Andy Roddick Foundation, a five-year-old organization that supports Kids in Distress, A Safe Haven for Newborns and other charities.Roddick says he and Moore are just friends.Copyright 2006 by UPI