rem: var appInfo = Components.classes["@mozilla.org/xre/app-info;1"] .getService(Components.interfaces.nsIXULAppInfo); 
add: var bundle = Cc["@mozilla.org/intl/stringbundle;1"].getService(Ci.nsIStringBundleService); bundle = bundle.createBundle("chrome:  var appInfo = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULAppInfo); 
context: function onload(aEvent){  if (aEvent.target != document)    return;  var appInfo = Components.classes["@mozilla.org/xre/app-info;1"]                          .getService(Components.interfaces.nsIXULAppInfo);  var version = document.getElementById("version");  version.value = appInfo.name + " " + appInfo.version;  var userAgent = document.getElementById("useragent");  userAgent.value = navigator.userAgent;    document.documentElement.getButton("accept").focus();}
meta: 2142	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2142/c7e61c24265be578995b395e46adb128848371e0/about.js/buggy/app/chrome/content/about.js