ActionScript 2.0 :: Create A Page Transition That Will Play A MovieCLip Transition Into A Page?

I am trying to create a page transition that will play a movieCLip transition into a page. and then it stops then when another button is pressed, it will play that transition out while loading the appropriate one. In the attached FLA, if you click on the red button first, the blue transition plays,

--red button code--
mybutton1.onRelease=function(){
_root.transitionClip.play();
}

and then stops on the stage. When you click the green button second,

--green button code --

mybutton2.onRelease=function(){
_root.transitionClip.play("out");
_root.transitionClip2.play();
}

it works correctly/ Playing out of the blue Transition and into the Red transition. However if I click it again it does the opposite, and just keep alternating.

If I add the

_root.transitionClip2.play("out");

to the first button then, nothing works right. I will eventually have more buttons, and may need to use a variable to control which "out" transitions is played, but how do I get the buttons to do this?I just want it to exit the current movie clip and play the "in" section of the desired clip.