> FWIW, the URL in my .sig below is the page for which I asked. Opening it > with IE should make evident why I only want the event to occur if the > visitor is really using IE and not some impostor like Opera. http://mrmazda.no-ip.com/js/iebad.js is soo 1990ies. What about users who cannot change their browser as their company dictates the IT environment? A practice like this is as arrogant and obtrusive as a "only for MSIE and 1024x768 resolution" message.