uh, thanx for the precious infos...
They are all going beyond my knowledge and comprehension,

but demonstrate that all I'd need is feasable.
http://krpano.com/docu/plugininterface/#top
I also think that this completes the things... I mean it is feasable to develope an AS-Flash plugin that loads and saves thre status. Ok, not feasable for non-coders like me.
I think this is a bit beyond the common sense of panoramas and tours, but may be interesing for someone. I'd file it more like "new plugin request"