Michael Douglas is looking to keep his two kids — Dylan, 9 and Carys, 6 — busy while he’s filming “Wall Street 2” and as his wife, Catherine Zeta-Jones,stars on Broadway in “A Little Night Music.” Spies at the Jew ish Community Center on the Upper West Side saw Douglas “walk in and inquire about children’s classes.” He’s al ready found ways of entertain ing himself, though — he was spotted cheering on the Jets when they beat the Patriots last week.