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("2010-02-14","2010-02-19");
cal1.addDisabledDates("2010-04-04","2010-05-06");
cal1.addDisabledDates("2010-11-01",null);