<snip> What I'm trying to figure out is whether something like 'if window.name == QT' will work... only problem is I think that only refers to the current window, and I just want to know if it is open at all. </snip> Scott, have you tried checking the window's "closed" property? if (myWindow.closed) // open a new instance of myWindow else // update myWindow Andy Hardacker The contents of this e-mail are intended for the named addressee only. It contains information that may be confidential. Unless you are the named addressee or an authorized designee, you may not copy or use it, or disclose it to anyone else. If you received it in error please notify us immediately and then destroy it.