Cache problem for included stylesheets on remote server

Hi.
We are building an XSL page that includes changing named templates through xsl:includes where the included stylesheet is on a remote server.
The content of the remote stylesheet can change at any time. The problem is that the Oracle XSLT caching mecanism does not "see" this, so we get the old page..
How can we turn the caching off? Is it possible to turn caching off for selected stylesheets?
Any clues or pointers?
Regards
Lionel

I by no means want to sound belittling... so don't take me that way..
You need to understand the basics of files, and networks. You can't check if a file exists on another machine if you don't have a network protocol to communicate with. The reason \\ works under windows is because you are using an invisible (to you) network protocol. You probably know it as windows sharing. If your file were not shared under it's own name, that method wouldn't work (I'm assuming your entire drive is shared without a password... a horrible security flaw...but one thing at a time)
You can use FTP protocol to check if a file exists. You can either send the raw text FTP commands through a socket connection in java, or you can use a freely available FTP java API to make it a bit more simple. You could also write a small java server on the other machine, and have it tell you what you need to know with a socket connection. In this way, you have created your very own network protocol.

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