"Are you having trouble getting changes you make in Netscape 6
and Mozilla-based browser skins (themes) and applications to show
up when you open them? Chances are that if the Mozilla-based
browser or application you are skinning is based on a Mozilla build
later than September 14, 2000, you have run amuck of its .jar
"Here's a step-by-step tutorial to help you get around the
Mozilla .jar files. You will do that by disabling the Mozilla JAR
files so that you can see the effects of the chrome and skin
changes you make without needing to modify the JAR files."
"Step 1. Finding the installed-chrome.txt file
Locate the installed-chrome.txt file in the directory structure
where you have installed Mozilla. To do that, first, please locate
your chrome directory."