Removing semicolons as they result in CoffeeScript 1.1.1 messing up the ...

...blocks of following if statements

As a result you cannot navigate from the first image in an album to the second image.
Current versions of CoffeeScript generate the same/correct output regardless if the semicolons are there or not. I think its better to remove them because not putting the semicolons make the Lightbox 2 code more consistent and allows using older CoffeeScript versions.