<A target="_blank" href="http://www.wissel.net/blog/d6plinks/SHWL-8KXAJJ?Open&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Wisselnet+%28wissel.net%29">Stephan Wissel has posted some code to help you use a web service</A> to query out-of-office status messages.