add: if (aName == 'color') updateStyleSheetForObject(aCalendar); 
context:     onCalendarPrefDeleting: function(aCalendar, aName) {        setCalendarManagerUI();    }
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/b9aa4f83792b252ab911a4e7f0f50a9c52275c3f/calendarManagement.js/clean/calendar/resources/content/calendarManagement.js