There's no easy way to do this, and you can't do it while Mozilla itself is running. Overlays are the approved way to modify chrome on the fly. Since you specify .js rather than XUL maybe it's a bug fix in which case it should be contributed back to the main tree.
Oliver Schulze L. wrote: > Hi, > I'm working on a patch and need to know if I can use xpinstall > to replace the file navigator.js that is inside the comm.jar file. > > I have read the xpinstall reference and some kind of tutorial, but > could not find a funtion to replace a file that is inside a .jar > And the other cuestion is, if this is posible, can I do it while > Mozilla is running? > > If this is posible, is there a howto or tutorial available? > > Many thanks > Oliver
