rem: newEvent.calendar.modifyItem(newEvent, null); 
add: newEvent.calendar.modifyItem(newEvent, event, null); 
context:     snoozeEvent: function(event, duration) {        /* modify the event for a new alarm time */        var alarmTime = jsDateToDateTime((new Date())).getInTimezone("UTC");        alarmTime.addDuration(duration);        newEvent = event.clone();        newEvent.alarmTime = alarmTime;        // calling modifyItem will cause us to get the right callback        // and update the alarm properly        newEvent.calendar.modifyItem(newEvent, null);    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/f0c77cac48e7ce31af529637a1b48c03f4314901/calAlarmService.js/clean/calendar/base/src/calAlarmService.js