&sidebar.whats-related.label; chrome://communicator/content/related/related-panel.xul &sidebar.search.label; chrome://communicator/content/search/search-panel.xul &sidebar.client-bookmarks.label; chrome://communicator/content/bookmarks/bm-panel.xul &sidebar.client-history.label; chrome://communicator/content/history/history-panel.xul &sidebar.client-addressbook.label; chrome://messenger/content/addressbook/addressbook-panel.xul