add:  gPref.setBoolPref(PREF_UPDATE_NOTIFYUSER, false); 
context: function checkUpdatesAll() {  if (isOffline("offlineUpdateMsg"))    return;  if (!isXPInstallEnabled())    return;  // To support custom views we check the add-ons displayed in the list  var items = [];  var children = gExtensionsView.children;  for (var i = 0; i < children.length; ++i)    items.push(gExtensionManager.getItemForID(getIDFromResourceURI(children[i].id)));  if (items.length > 0) {    showProgressBar();    var listener = new UpdateCheckListener();    gExtensionManager.update(items, items.length, false, listener);  }  if (gExtensionsView.selectedItem)    gExtensionsView.selectedItem.focus();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/855dcb2f926a8f1099e9c01d98010b9541c2c06b/extensions.js/buggy/toolkit/mozapps/extensions/content/extensions.js