add: if (aName == 'color') updateStyleSheetForObject(aCalendar); 
context:     onCalendarPrefDeleting: function(aCalendar, aName) {        setCalendarManagerUI();    }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1be31ad81a9a6877b421130ae9b85aad08e4e3ab/calendarManagement.js/clean/calendar/resources/content/calendarManagement.js