var now = new Date();
var date1 = new Date(now.getTime() - (1 * 86400000));
var cal1 = new CalendarPopup("calendar");
cal1.setWeekStartDay(1);
cal1.addDisabledDates(null,formatDate(now,"yyyy-MM-dd"));
cal1.addDisabledDates("2010-11-01","2010-12-17");
cal1.addDisabledDates("2010-12-24","2011-01-01");
cal1.addDisabledDates("2011-01-10","2011-01-13");
cal1.addDisabledDates("2011-03-19",null);