GlassBox is a compact Javascript User Interface (UI) library, which use Prototype and Script.aculo.us for some effects. With GlassBox you can build transparent border, colorful layouts and "Flash-like" effects. The GlassBox library .. * is easy to use * is customizable and skinnable * comes with a coherent API (CSS based parameter) and a short introduction * includes a basic Ajax XHR for dynamic content loading * is tested with IE 6 + 7, Firefox 2, Opera 9 and Safari 3 (mac + win) * and is an open source project under MIT license http://www.glassbox-js.co m