rem:  try { var prefs = Components.classes["@mozilla.org/preferences-service;1"] .getService(Components.interfaces.nsIPrefBranch); var url = prefs.getCharPref("browser.chromeURL"); if (url) return url; } catch(e) { } return "chrome: 
add: return "chrome: 
context: function getBrowserURL() {  try {    var prefs = Components.classes["@mozilla.org/preferences-service;1"]                         .getService(Components.interfaces.nsIPrefBranch);    var url = prefs.getCharPref("browser.chromeURL");    if (url)      return url;  } catch(e) {  }  return "chrome://browser/content/navigator.xul";}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/a950438f19958033cbf71d26db8eb540f59c63c4/utilityOverlay.js/buggy/browser/base/resources/content/utilityOverlay.js