Some locks looks like keyhole with magic symbols and keys are disks with magic symbols.
For using is nessessary known scripting with lua.

Update 14.9.2013 - new functions and some changes in models by Hustin
* some functions are remaned - changes it names in your scripts when it is wrote. *

BUG - 20.9.2013
At the end of function PickUp(self,item,g) in the "sl" script entity is line:
lastItem = item
Please delete this line.

Thx
Authors of LOG
JohnWordsworth for GMT and GGAT
Conchron for Inspirations