Backing out of viewing ECP or basis file

[mcbennet]

When the user presses the browser's back button when viewing an atom's ECP or basis file they are currently taken all the way back to the home screen of the website rather than the "atom view" where the full list of ECPs and basis sets are shown. This requires that they again select the given atom to view the list of files if they wanted to look at a different basis/ECP for that atom.

Personally, I think this is somewhat of a nuisance and I think a better behavior would be for either

(1) the user to be taken back to the "atom view" after pressing the back button OR
(2) when in the "atom view" and a given basis or ECP is selected, then a new window would open (similar to the bse site) and therefore the user is not directed away from the "atom view" at all within the original window.