If you do end up losing your files, don't see it as a drawback but instead, a chance to improve. Now that you have already made a lot of the script and have a lot of the ideas done, you can probably do a significantly better job rewriting it with everything you did in the past script in mind. I personally feel amazingly accomplished when I make a script where everything is beautifully designed and flows together perfectly, and usually to achieve that I end up having to rewrite it once or twice to really perfect it.
If you try hard enough and stay focused I'm sure you can get them back to where they were and get 'em released. I'm looking forward to seeing them, I'm always happy when I see some new creative mod being worked on or released for this game.
If you're afraid of losing some of the notes you may of had, check out some parts of the board's many tutorials and documentation topics.