rem: this.eventSource.removeObserver(  this.calendarEventDataSourceObserver ); 
add: gICalLib.removeObserver(  this.calendarEventDataSourceObserver ); 
context: CalendarWindow.prototype.close = function calWin_close( ){   this.eventSource.removeObserver(  this.calendarEventDataSourceObserver ); }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d87ae359481374752d2957b4fb7a32e7906f47b5/calendarWindow.js/buggy/calendar/resources/content/calendarWindow.js