sparklines
Get flash to fully experience Pearltrees
script.aculo.us is a set of JavaScript libraries to enhance the user interface of web sites. It provides an visual effects engine, a drag and drop library (including sortable lists), a couple of controls (Ajax-based autocompletion, in-place editing, sliders) and more. Be sure to have a look at the demos ! API Documentation and Reference This wiki details Version 1.8.1 of the library, which is the most current version of the 1.x trunk of script.aculo.us.
Usage in scriptaculous wiki - getting started