// CALENDARIO

function selected(cal, date) {
	cal.sel.value = date;
	if (calendar.dateClicked){
		cal.callCloseHandler();
	}
}

function closeHandler(cal) {
	cal.hide();
}

function showCalendar(el) {
	if (calendar != null) {
		calendar.hide();
	} else {
		var cal = new Calendar(false, null, selected, closeHandler);
		//cal.weekNumbers = false;
		calendar = cal;
		cal.setRange(1900, 2070);
		cal.create();
	}
	calendar.setDateFormat("%d-%m-%Y");    // set the specified date format
	calendar.parseDate(el.value);      // try to parse the text in field
	calendar.sel = el;                 // inform it what input field we use
	calendar.showAtElement(el);        // show the calendar below it
	return false;
}