Using 3rd party js library(no gem) in assets

Hi,

I’d need an advice from more experienced.

How to work with a js library that has no gem, but has its own stylesheets in css folder, images in img folder and another javascript files in subfolders?

I guess it should all go to the vendor/assets, but should I distribute those files to vendor/assets/stylesheets and vendor/assets/javascripts? Should I keep the folders structure with img and css folders?

And what about the relative paths in those files?

Thanks a lot