add: if (timeZoneOffset) { this._timeZoneShift = timeZoneOffset * Timeline.GregorianUnitLengths[Timeline.HOUR]; } else { this._timeZoneShift = 0; } 
context: Timeline.DefaultEventSource = function() {    this._events = new Timeline.SortedArray(Timeline.DefaultEventSource.compare);    this._listeners = [];};
meta: 7652	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7652/64b61a8066b7fe3bfaefccb3634849875a577cf7/timeline-sources.js/buggy/src/main/webapp/scripts/timeline-sources.js