rem: messenger.loadURL(window, url); 
add: messenger.loadExternalURL(window, url); 
context: function loadThrobberUrl(urlPref){    var url;    try {        url = gPrefs.getComplexValue(urlPref, Components.interfaces.nsIPrefLocalizedString).data;        messenger.loadURL(window, url);      } catch (ex) {}}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/195dc7ee6cc10ae53bb775a5cca6f9b046870c90/mailWindowOverlay.js/buggy/mail/base/content/mailWindowOverlay.js