rem: gPrefs = prefsService.QueryInterface(Components.interfaces.nsIPref); 
add: gPrefs = prefsService.QueryInterface(Components.interfaces.nsIPrefBranch); 
context: function GetPrefsService(){  // Store the prefs object  try {    var prefsService = Components.classes["@mozilla.org/preferences;1"];    if (prefsService)    prefsService = prefsService.getService();    if (prefsService)    gPrefs = prefsService.QueryInterface(Components.interfaces.nsIPref);    if (!gPrefs)    dump("failed to get prefs service!\n");  }  catch(ex) {    dump("failed to get prefs service!\n");  }}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/faf03ce445712b372523f881cc3144cfadc7a611/mail-offline.js/clean/mailnews/base/resources/content/mail-offline.js