This works in CF 8 and CFMX 7 and was built with Flex 2, no modifications or fancy coding needed. A straight install of CF 8 or CFMX 7 will work. This is simply meant to be used as a control subject, something you know works (because you see it working here).
Click this link, http://www.cfcdeveloper.com/RIA/bin/RIA.html, to open the Flex application. Right-click in the application and "View Source". You'll find all the code in there to look at or download.
http://www.cfcdeveloper.com/RIA/bin/RIA.html