rem: var attendees = item.getAttendees({}); for each(var attendee in attendees) { if (attendee.id == wcapCalendar.ownerId) { return attendee.participationStatus; } } 
add: var attendee = wcapCalendar.getInvitedAttendee(item); if (attendee) return attendee.participationStatus; 
context:     getParticipationStatus: function(item) {        try {            var wcapCalendar = item.calendar.QueryInterface(                Components.interfaces.calIWcapCalendar);            var attendees = item.getAttendees({});            for each(var attendee in attendees) {                if (attendee.id == wcapCalendar.ownerId) {                    return attendee.participationStatus;                }            }        } catch(e) {}        return null;    },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/ad7e277a69ddda559288531296fe265720b1b848/calendar-invitations-manager.js/buggy/calendar/prototypes/wcap/calendar-invitations-manager.js