On May 13, 8:22 pm, "Jack Shultz" <jackyg... at gmail.com> wrote:
> That was a breath of fresh air ;-)
you may want to have a look at this one as well (if you have
not done so already).
http://www.ks.uiuc.edu/Training/Tutorials/science/forcefield-tutorial/forcefield-html/
cheers,
axel.