swap particles within/outside of the group

[jaygee]

I have two rect particles. im trying to swap them like how
swapChildren in DisplayObject work. below are my code. please help and
thanks in advance.

public function sendToHeaven(particles:AbstractParticle):void
{
//particles.py += 5;
physicsGr.removeParticle(particles);
physicsGr.removeParticle(_player);
heavenGr.addParticle(particles);
physicsGr.addParticle(_player);

}