Hi
We have a mysterious problem: some of transparent buttons is shown with a red cross on them. Buttons works OK, but do someone knows why the red cross is shown?
As Ben mentioned, your graphics are not loading. We have this issue periodically. Some quick things that we try at first:
We ask the user to check their own machine – sometimes simply clearing the cache frees up enough spce for the course to downlosd the graphics (we have many multi-user PCs).
It may also be that the LMS server needs to be refreshed, clearing out cookies, old reports, etc., if you have a lot of users
Java may need to be updated on the particular machine
You could also try to compress the images somewhat when you publish your title to reduce file size . . .