Firefox Configuration

my_config.js

// File: autoconfig.cfg
// Location: Default Firefox Locale  
//   *NIX: /usr/lib/firefox
//   Win32: /Program Files/firefox
// BEGIN

//
var {classes:Cc,interfaces:Ci,utils:Cu} = Components;

/* set new tab page */
try {
  Cu.import("resource:///modules/AboutNewTab.jsm");
  var newTabURL = "file:///home/jackm/Music/firefox/index.html";
  AboutNewTab.newTabURL = newTabURL;
} catch(e){Cu.reportError(e);}
//END

// File: autoconfig.js
// Location: Default Prefs
//  *NIX: /usr/lib/firefox/defaults/pref
//   Win32: ?
//BEGIN

//
pref("general.config.filename", "autoconfig.cfg");
pref("general.config.obscure_value", 0);
pref("general.config.sandbox_enabled", false);

//END