I highly recommend to try out the new completely rewritten version 0.3.0 . You can download it from the master branch at GitHub . It is still in beta but i would call it fairly stable already.
July 3rd 09' : Updated to v2.4, which supports a new set of " rel " and data-image " attributes you can insert into arbitrary links to quickly create link or image link togglers. Description: This script collapses any DIV on the page and lets users manually toggle its appearance via a smooth "Web 2.0 style" animation. It's a popular effect on many social networking/ comment sites. Three distinguishing features of this script are: