Elevators in Kismet

Advanced Elevators!  What I needed was an elevator with call switches at the top and bottom floors. The switches shouldn't work while the elevator is moving. They should have a dynamic texture depending on which floor the elevator is on. Running onto an elevator at rest should automatically flip the switch.  If the player is under an elevator coming down, it should flip the switches and reverse direction (at least, until I figure out how to make it crush the player.)

Here is how you do it:

Holy Guacamole!