on (rollOver){
current_frame = _currentframe;
if (current_frame > 15){
current_frame = 30 - current_frame;
}
gotoAndPlay(current_frame);
}
on (rollOut){
if (current_frame < 15){
current_frame = _currentframe;
current_frame = 30 - current_frame;
}
gotoAndPlay(current_frame);
}