OK, I know what the problem is now, basically it was caused by my aclpanel plugin, it's an action plugin with some javascripts, the problem was even I put a check in my php plugin code not to do anything in edit mode, the javascripts was still included, causing some confusion. On Mon, Dec 22, 2008 at 11:22 AM, James Lin <guanfenglin@xxxxxxxxx> wrote: > Hi guys, > > after the firefox and IE update, now the file upload pop up is not working, > the error is "window.open is not a function" > > any ideas? > > Cheers > > James Lin >