Reset button

i have a timeline with one keyframe for each diff.movies. the movies have a zooming function and it is also draggable.
i want to create a reset button where i want it to go back to its original state assuming i had already used the drag or zoom buttons. my problem is i only used a single keyframe in each movie residing in the same timeline/layer.

ex. frame 3 with keyframe
frame 4 with keyframe
frame 5 with keyframe

i used this code

on (press) {

it works but it jumps to the other movie.
is there a way to make a reset button using only a single keyframe?

sorry for my long question.