Well, it an old article, and the link is dead, however there doesn’t seem to be much doubt that it happened. It was argued on many Catholic forums at the time. These two are the best I can do for right now:
http://www.jimmyakin.org/2006/04/jp2_and_the_qur.html
http://www.cwnews.com/news/viewstory.cfm?recnum=10415
...still looking though.. this is the internet after all, everything must be 'fact checked', especially 'common knowledge'.