Questions and answers about ERM scripts for WoG.

Could you please tell me how to enable scripts in a map? I have the hwmaped.exe editor in WOG, and there is a script generator for changing unit characteristics. If I save this script in a file with the map's name, it will work when the game starts on that map, but not when loading a saved game. I haven't found any options in the map editor for importing scripts or anything similar.