I just submitted a bug on this a few days ago, which also contains a fix for it
http://dev.jquery.com/ticket/2866 Copied here for posterity Line 634 is currently: list.bgiframe(); and should be if($.fn.bgIframe) list.bgiframe(); On May 16, 12:28 pm, rolfsf <[EMAIL PROTECTED]> wrote: > I'm getting a javascript error in Firefox (list.bgiframe is not a > function) with the autocomplete plugin if I don't include bgiframe, > but the documentation seems to imply that bgiframe is optional. > > Is bgiframe required?