Hello it's me again.
I tried to get the Option "Cookie Menu" to work. After different trys and almost a day working on it I found the problem.
With a easy to use tool from chrome, called Cookies, I was able to look at the cookies and refresh them on the fly.
The cookiename is:
No my menus are still open when i change the site.
I use the current svn Version (14.1 i think)
Hope that this is really a bug, and with my code it's fixable