Need help on sub url

[Arnab Ganguly <aganguly01@xxxxxxxxx>]

Hi All,
Need some technical inputs.I have a requirement for opening sub url from the main url, and this sub url is dynamic.Is it possible to do it by using apache webserver.

From the browser opening suburl can be done easily, but would like to do flash player where I am not able to open.
Planning to target the Flash player to hit a apache webserver and the apache webserver will help in opening the suburl.Any particular apache module can be used for this.

mod_proxy with ProxyPass and ProxyPassReverse can be used but the resultant url is static ie whatever we mention adjacent to the path.But my content requirement is dynamic as it changes.

Like for example 
http://test.com/test.php?url=""> is visible from the browser but not from Flash.So is it possible Flash to point to Apache and Apache will open the suburl for Flash by forwarding the request.
Thanks in advance.
-A