rem: var newObserver = new readOnlyAnnouncer(calendar); 
add: var newObserver = new errorAnnouncer(calendar); 
context:     setUpReadOnlyObservers: function() {        var calendars = this.getCalendars({});        for each(calendar in calendars) {            var newObserver = new readOnlyAnnouncer(calendar);            calendar.addObserver(newObserver.observer);        }    },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/02cbbd5cccb02177c5bd9e651439423219ada230/calCalendarManager.js/clean/calendar/base/src/calCalendarManager.js