Hello people...
Using
fatfreechicken's idea, I googled and find this:
http://forum.mess.be/index.php?showtopic=12745
It's a little old, so I don't know if will work on WLM... But still can help someone...
Edit:
I tested the program that is posted on the link I gave you... It realy works great...
BUT even with you can't use the "Add" button, you can use the "Copy" like the image: