The root cause of the duplicate PHP script execution issue was the Firebug 1.3.3 toolbar on Firebux, Ubuntu Linux. As soon as I disabled the toolbar life began re-behaving. Well, i.e. aside from most of a day's well-spent troubleshooting time. -- Bob Meetin www.dottedi.biz 303-926-0167 On www.Twitter.com/bobmeetin, Facebook, www.linkedin.com/in/bobmeetin, or catch my blog at www.dottedi.biz/blog.php Standards - you gotta love em - with so many to choose from!