Jason Bassford wrote: > I'm trying to write an XPI that does nothing other than simply replace > the graphics used for the throbber. In my case, this is only with > respect to the Modern theme, so the GIF files in question are located > in modern.jar under "skin/modern/communicator/brand".
Can't do that in any simple way, XPInstall deals with file-sized chunks and you need a zip utility to modify an existing file. If you didn't mind being platform-specific you could execute system commands or your own included zip utility to do the job. -Dan Veditz
