function getIsonDate(dateObj) {
	var selectedDate = $(dateObj).datepicker("getDate");
	var dateIsoString = [], //for year-month-day
                sMonth = selectedDate.getMonth() + 1,
                sDay = selectedDate.getDate();


	dateIsoString.push(selectedDate.getFullYear());
	dateIsoString.push("-");
	dateIsoString.push(sMonth < 10 ? "0" + sMonth : sMonth);
	dateIsoString.push("-");
	dateIsoString.push(sDay < 10 ? "0" + sDay : sDay);

	return dateIsoString.join('');
}