rem: var calendar = createCalendar(); calendar.removeObserver(unifinderToDoDataSourceObserver); 
add: var ccalendar = getDisplayComposite(); ccalendar.removeObserver(unifinderToDoDataSourceObserver); 
context: function finishCalendarToDoUnifinder(){    var calendar = createCalendar();    calendar.removeObserver(unifinderToDoDataSourceObserver);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a326c1b96258e9a489ef580945ed55053d063126/unifinderToDo.js/buggy/calendar/resources/content/unifinderToDo.js