This demo version can serve only "unregistered.script" (or "unregistered.*" pages when it is used as a PIXO source action).
If you want the full version you have to register (OpenScript is shareware it costs $25).
Please see the page http://www.geocities.com/SiliconValley/Network/7185/ (software section) for more information about the registration process, or connect directly to http://order.kagi.com/?KG to register OpenScript.