I noticed lots of posts with people that weren’t able to get this working correctly… I had the same issues, made all the changes and re-uploaded the js file and still not fixed.
I realized that I had the shutter_reloaded plugin installed in wordpress along with Nextgen gallery. There is also a shutter-reloaded.js file in this plugging directory that it was using rather than the one in the nextgen gallery plugin directory. Making the changes to this file fixed it for me. I only had to add “hidden” to the document.documentElement.style.overflowX lines (two changes) and it works like a charm. Thanks for the help.
My shutter_reloaded.js was located in:
/wp-content/plugins/shutter-reloaded
HTH,
Matt