$j(function() {
	var dates = $j("#datepicker_entrada, #datepicker_salida").datepicker({
			showOn: 'both',
			buttonImage: '/images/calendario.jpg',
			buttonImageOnly: true,
			changeMonth: true,
			changeYear: true,
			numberOfMonths: 2,
			dateFormat: "DD, d MM, yy",
			minDate: 0, 
			
			onSelect: function(selectedDate) {
				var option = this.id == "datepicker_entrada" ? "minDate" : "maxDate";
				var instance = $j(this).data("datepicker");
				var date = $j.datepicker.parseDate(instance.settings.dateFormat || $j.datepicker._defaults.dateFormat, selectedDate, instance.settings);
				dates.not(this).datepicker("option", option, date);
			}			
		});
		$j('#datepicker_entrada').datepicker('option', 'altField', '#datepicker_entrada_alternative');
		$j('#datepicker_entrada').datepicker('option', 'altFormat', 'yy-mm-dd');
		
		$j('#datepicker_salida').datepicker('option', 'altField', '#datepicker_salida_alternative');
		$j('#datepicker_salida').datepicker('option', 'altFormat', 'yy-mm-dd');
	});