ATFrom:
UIViewAnimationTransitionCurlUp
UIViewAnimationTransitionCurlDown
UIViewAnimationTransitionFlipFromLeft
UIViewAnimationTransitionFlipFromRight
-(id) AnimationTransition:(UIViewAnimationTransition)ATFrom
{
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.75];
[UIView setAnimationTransition:(ATFrom)
forView:scrollView cache:YES];
[UIView commitAnimations];
return nil;
}