add: var startDate = gCalendarWindow.dayView.getNewEventDate(); 
context: function dayViewHourDoubleClick( event ){   // change the date selection to the clicked hour      gCalendarWindow.setSelectedHour( event.target.getAttribute( "hour" ) );      var startDate = gCalendarWindow.dayView.getNewEventDate();   newEvent( startDate );}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/086c9ed192d1516b0d1cb3247bb83e61f00322d2/calendar.js/buggy/calendar/resources/content/calendar.js