Auto Sized javascript picture popup

[Limey-YMR]

Hi, I was wondering if it was possible to modify vbulletin to use a javascript popup routine to make images popup in a new browser window that is auto sized to the image with no borders or menu, toolbar etc.
except for the current default which is just sitting in a new browser window with lots of white space.

I made an image gallery on my wife's website if this describes what I mean better http://www.weddingmakeup.us/images/wedding_makeup.htm
except I couldn't figure out how to make the script auto the window so I had to specify the dimensions, (and put up with a 20 pixel border!)

Any pointers would be greatly appreciated, I did try searching for over an hour but couldn't find this specific item.

I think I also saw something done in PHP once where it fell back to a regular browser window if the client browser didn't support java, but the site I saw was fly by night and is gone.

cheers,
Mark (Charlotte US / Birmingham UK)