Need Help！Set moving order of two objects

[gjz153]

There are two elevators in one model,and I wish the right one start moving after the left one stopped.
I don't quiet understand ruby, so, please someone help me.
Special thanks!!!!!!!
Here is the model:two elevators.skp

[sofie9536]

logical control with ontouch () script. script in red and green button and in hidden-object. Start with UP-DOWN.

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Elevator (ontouch)

[gjz153]

@sofie9536 said:

logical control with ontouch () script. script in red and green button and in hidden-object. Start with UP-DOWN.

Thank you！！