Working on a map for WarCraft III

[Adagio]

I don't want to sound un-greatful, but would it be possible (read: easy) to change it to be able to use 2 heroes in the game (And then post it as a special SP version), since it's almost impossible to win when playing SP...

I have tried to work with the editor, but I never got far, so I don't know if it's possible or not...