Graham; Actually, that was the subject of one of the <a href="http://www.ni.com/devzone/lvzone/codechallenge6.htm";>LabVIEW Coding Challenges</a>.
<a href="http://www.ni.com/devzone/lvzone/codechallenge6_results.htm";>Check out the winner</a>. Regards; Enrique Vargas www.visecurity.com
