This demo uses Prototype and Scriptaculous, but there's no reason that it shouldn't be able to use jQuery:
http://cfsilence.com/blog/client/index.cfm/2007/8/2/Introducing-cfImageCropper--Custom-Tag-For-Client-Side-Image-Cropping
This demo uses Prototype and Scriptaculous, but there's no reason that it shouldn't be able to use jQuery:
http://cfsilence.com/blog/client/index.cfm/2007/8/2/Introducing-cfImageCropper--Custom-Tag-For-Client-Side-Image-Cropping