Is there a policy on client-side code (such as applets) on the wiki when doing something that can't be done on the server.
For example, visit any of the links from here http://jmol.sourceforge.net/preview/
I find this kind of thing simply stunning, and the kind of thing an electronic encyclopedia should use to take advantage of over paper ones.
IMO a 3D, rotatable view of a molecule gives far greater and easier understanding of the structure, especially to a newcomer.