I just use my first menu from Milcom. It works fine, but I got a problem
You please look the new Menu on my test Sever
http://res.c-o.ch/index.php
Make Login with User (Benutzer) 1010
If you move your mouse over "Ansicht" then to "Planung" then click on "Tagesplan" then click several times on:
<"24 Stunden" and on "ganze Woche" and on "Tagesplan">
repeat fast again.
The sub menu with Item text "Planung" is away.
I can't use the menu in the production environment with this error.
You can see the same effect on the milonic homepage menu
look the picture (IE 6.0)

OS: XP Home editon
The resolution is: 1280 x 1024 pixel
The Browser is: IE 6.0.2900 or Netscape V 8.0 (in IE Modus)
Please make also a test:
go on =>Support => Tech. Support Documents =>
click on Borders move new windows to left
then =>Support => Tech. Support Documents =>
click very fast to: Borders to Demos to CSS Styling
and begin again click on demos click on Borders click on CSS Styling ...
very fast to repeat again with click on demos, CSS Styling ...
and look the first sub Menu is takeoff
This erros has be tested on three various PCs
with FF 1.5 no mistake
thanks for your answers