Lever for quest

[DiegoRulez]

TFS 1.2
I need a script on the lever that when squeezing the lever remove some walls from one place and create some walls somewhere else. Clicking on the lever again will reverse the first click.

This is for this quest:

Set at 2:15 min

 

[Xikini]

If you want it like the original quest, you'll also want the room to automatically reset after 6 hours and only while no players are nearby. If memory serves me correctly.