FCKEditor and MediaWiki

I don't know anything about MediaWiki, but it sounds like the script to include the menu bar is being called twice on a callback.

Why is it doing this?

Because a horse can't fly? How can we help you if you don't give us any information? Some script codes, more information about the cause of the problem?

But I read a few days ago you're searching for a developer, so why don't you wait and give the problem to the developer?
I've sent you an email by the way but haven't heard anything for so far about the job

No, my mistake, you're right. It mixed your post up with another post.

But anyhow, you need to specify your problem a little more before we can help you