var cal1x = new CalendarPopup("testdiv1");
cal1x.setWeekStartDay(1);
cal1x.setCssPrefix("TEST");
cal1x.setDisabledWeekDays();
cal1x.setMonthNames('Januar','Februar','März','April','Mai','Juni','Juli','August','September','Oktober','November','Dezember');
cal1x.setDayHeaders('So','Mo','Di','Mi','Do','Fr','Sa');
cal1x.setTodayText("Heute");// Java Document