Please check it menu module demo on my site its working fine also more than 50 other website.
There is css issue in your template. We already send you the reply on form also in your mail with in 24 hrs.
I've took these one here because it was 5$ cheaper. At the beginning i had some problems and i asked in the forum and i was supprised how good that support is. The Team helped me with all my problems and wrote very fast back.
I recommend these lightbox because it's the nicest lightbox for joomla and ari soft has the best support.