Prototype Window Class : Themes. Overview Creating a new theme is very easy. You need to describe window's look and feel in a CSS file. Name your CSS file THEME_NAME.css with thoses CSS definition: By convention the images used in the CSS files are in THEME_NAME directory (it's just a convention, do it as you feel!) A window is divided into 9 parts, 4 corners, 4 borders and the main content in the middle. View a detail template CSS file (you can copy-paste it to start a new theme). See Art.Gnome.Org for cool designs. I used two of them, it's easy to integrate in the class. Take a look to an existing CSS file like alphacube.css or mac_os_x.css (with PNG image and IE specific code) Themes included in this release. A library of DHTML and AJAX scripts - DHTMLgoodies.com. Demos:fxpack.js - mootools. Moo.fx - the next small thing. Rico.