SwapDepths was a just in case..
I always avoid reserved names.
the TransManager codes were changed to -
Code:
function callTrans() {
var myTransitionManager1:TransitionManager = new TransitionManager(topTarget);
myTransitionManager1.startTransition({type:Fade, direction:Transition.OUT, duration:1.7, easing:None.easeNone});
var myTransitionManager2:TransitionManager = new TransitionManager(bottomTarget);
myTransitionManager2.startTransition({type:Fade, direction:Transition.IN, duration:1.7, easing:None.easeNone});
SwapDepths();
};
function initialTrans() {
var myTransitionManager3:TransitionManager = new TransitionManager(topTarget);
myTransitionManager3.startTransition({type:Fade, direction:Transition.IN, duration:1.7, easing:None.easeNone});
};
this cross fades each image, hope this is what you wanted