Sorry, I found out it may be my mistake all together. I think the include file went down beyond this behaviour, so it was checking before it got the proper variables :-( I think this may be the reason, I'll check further.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.