add: if (this.mOrganizer) this.mOrganizer.makeImmutable(); 
context:     makeItemBaseImmutable: function() {        // make all our components immutable        this.mCreationDate.makeImmutable();        if (this.mRecurrenceInfo)            this.mRecurrenceInfo.makeImmutable();        if (this.mAlarmTime)            this.mAlarmTime.makeImmutable();        for (var i = 0; i < this.mAttendees.length; i++)            this.mAttendees[i].makeImmutable();        this.mImmutable = true;    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/776c3f65569438e284270f61f31e4b46b4140cdb/calItemBase.js/buggy/calendar/base/src/calItemBase.js