Hi,
Superb thanks ive actually hard coded that into product_image.tpl and now it works!! Not sure how it wasnt there in the first place but thanks everyone. One quick problem that is still left is that the description on the popup breaks over a few lines - dont suppose anyone can spot a quick fix?
http://www.gapyeartravelstore.com/Gelert-80-15L-Travel-Backpack-p-190.html