Video and XML

I'm trying to build a video player that loads the flv path from an xml file, so the url below could be stored in the xml file.

url="http://www.mysite.com/video.flv"
flvplayback.load(url);

Any help or links to info, I'd really appreciate.

Thanks in advance!

check out my free xml-video-accordion player at www.flashmatics.co.uk/blog