Short description of Biorhythmus-Applet 4.0: Free biorhythm applet with a high level of customization of look and feel. It also can easily be localized to any language just by editing the applets parameters in the embedding HTML code. You may use this applet freely on your website. The ZIP archive contains the JAR file as well as an example HTML code with a complete list of parameters that the applet uses. The applet requires Java 1.4 or higher installed on your computer.