HVMenu doesn't work properly

[icon]

If I use one of the sub links it happens but the menu isn't working anymore.
It doesn't show the submenues anymore

And if I actualise the page the menu is gone.

Thanks for helping me

[cr3ative]

Warning: Please include a link to the DD script in question in your post. See this thread for the proper posting format for asking a question.
PLEASE: Include the URL to your problematic webpage that you want help with.

cr3