Photo Gallery with dropdown for multiple galleries

Hello everybody, I was working yesterday with the galleries from Scotty - http://www.kirupa.com/forum/showthread.php?t=87388 - trying to add a dropdown menu for the different galleries, instead of the buttons (I’m talking about the V3 with Thumbnails). My skills are not that good I realized. Do you have any idea on how to achieve this?

What I need is a combobox showing the different galleries i have on my XML file and if the user chooses another gallery, the it loads the new set of pictures and thumbnails.

Thanks again

dani