That's a very good idea for a tool and certainly a tool that I'd use. Here's a good Visual Basic tutorial to get you started:

http://www.xtremevbtalk.com/showthread.php?t=123814

And here's the forum if you want to ask any questions:

http://www.visualbasicforum.com/forumdisplay.php?f=81

I'm sure you could get Visual Basic from somewhere. A friend or something.