|I doubt that it will happen without accessing the windows api or using a utility that does.|
It may be possible to embed a vbs in the batch script to do it, but I can't help with that because I don't really do vbs.
I wrote a tiny c++ program(I suppose it's basically plain c) a while ago for exactly this, but because of a bug in xp I didn't take it any further than disabling the close button.
See response #3
I can't guarantee it will work in vista, but it should.