Thank you for your post.
There are several follow-up posts by customers. The link to the other CORS issue is relevant.
1 of 1 people found this helpful
Problem resolved. I have enabled CORS on my Web server for the FMWebSite in IIS6.
Used IIS7 solution for my IIS6. It worked perfectly and was easier to do/find.
So CORS is NOT disabled in Web Viewer using JS.
I still can't explain with some images/textures were displaying and others not, before this configuration.
Thank you to all of you who tried to help me!