Yes, you are looking for the methods $.fancybox.next() , $.fancybox.prev() and $.fancybox.jumpto() .
From the Fancybox v2 Documentation :
next:
$. Fancybox.next ()
Go to the next gallery item prev
previous:
$. Fancybox.prev ()
Go to the previous gallery item
jumpto:
$. fancybox.jumpto ([index])
Scroll to the gallery item by index. Counting positions starts at 0, for example. $ .fancybox.jumpto (0); will open the first, for example. $ .fancybox.jumpto (1); will be second, etc.
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