This following is a modified version of Nathan’s incredible Hoverbox Image Gallery. This version uses a single image for thumbnail/larger view and partially supports :active and :focus states for keyboard only users. Hoverbox code is free to use, so do with it whatever you want in your own projects....

Additionally, thanks to Craig Erskine this now works without the extraneous, meaningless span. Please read through the comments to see all the possible ways you can customize this code. It uses an anchor link for the effect, because that is the only thing that Internet Explorer allows the :hover psuedo-class...