rem: "The end date you entered occurs before the start date."); 
add: calGetString("calendar", "warningNegativeDuration")); 
context:         var callback = function func() {            var promptService = Cc["@mozilla.org/embedcomp/prompt-service;1"]                                .getService(Ci.nsIPromptService);            promptService.alert(                null,                document.title,                "The end date you entered occurs before the start date.");        }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/c7d455cb539a9f413e9f4fdab3fd8d383f123816/sun-calendar-event-dialog.js/buggy/calendar/prototypes/wcap/sun-calendar-event-dialog.js