It's not the cat's meow: In fact, this family adventure-fantasy is a dog. Lead-footed direction by neophyte Lawrence Guterman — whose only previous directing credit is "additional sequences" in the computer-animated ANTZ — lays waste to a brilliant notion: that there's a secret, high-tech battle of wits and espionage between our guardian dogs and would-be despotic cats. Yes! We've suspected it all along! For very young, uncritical children, this might be a passable time-killer — the talking animals are undeniably cute. But don't expect much appreciation from second-graders on up. The dog star is Lou (voice of Tobey Maguire), a beagle pup with a thirst for adventure. ...