add:  if (event.button != 0) return;  
context: function weekEventItemDoubleClick( eventBox, event ){   editEvent( eventBox.calendarEventDisplay.event );   if ( event )    {      event.stopPropagation();   }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/7a2f3b007c5630f5d57b5c3cfdde4a652e93339a/calendar.js/clean/calendar/resources/content/calendar.js