rem: return ( a.displayEndDate - b.displayEndDate ); 
add: return ( a.end.compare(b.end) ); 
context: CalendarWindow.prototype.compareDisplayEventEnd = function calWin_compareDisplayEventStart(a, b) {   return ( a.displayEndDate - b.displayEndDate );}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4ef9d605d2c03a43cae7675f5e8d578c078fdbf9/calendarWindow.js/buggy/calendar/resources/content/calendarWindow.js