[raybbr]

You may do the same on XP & FF3.6.3 - I was referring to zeugma (who runs Linux) specifically. I’m on Win7 and the same version of FF, and it works here.

Where do you do the script? In "about:config"?

[Dan Nunn]

Where do you do the script?

Open up this directory (the bold parts will change on your computer):

C:\Documents and Settings\Dan\Application Data\Mozilla\Firefox\Profiles\5cnv17re.default\gm_scripts\fr_tree_viewer

Application Data is a hidden folder so you may have to manually type it in the address bar to open it.

From there, you will see the fr_tree_viewer.user.js file. This is the file you can open up and edit.