Special params that set min/max dates with date_popup

aaa_quickfinder.js

(function($) {
 
    $(document).ready(function() {
        var hotel_dates = $( "#hotel-checkin, #hotel-checkout" ).datepicker({
			defaultDate: "+1w",
			changeMonth: true,
			numberOfMonths: 1,
                        dateFormat: "mm/dd/yy",
                        autoSize: true,
			onSelect: function( selectedDate ) {
				var option = this.id == "hotel-checkin" ? "minDate" : "maxDate",
					instance = $( this ).data( "datepicker" ),
					date = $.datepicker.parseDate(
						instance.settings.dateFormat ||
						$.datepicker._defaults.dateFormat,
						selectedDate, instance.settings );
				hotel_dates.not( this ).datepicker( "option", option, date );
                                $("#hotel-checkout").val(selectedDate);
			}
		});
        var air_dates = $( "#air-depart, #air-return" ).datepicker({
			defaultDate: "+1w",
			changeMonth: true,
			numberOfMonths: 1,
                        dateFormat: "mm/dd/yy",
                        autoSize: true,
			onSelect: function( selectedDate ) {
				var option = this.id == "air-depart" ? "minDate" : "maxDate",
					instance = $( this ).data( "datepicker" ),
					date = $.datepicker.parseDate(
						instance.settings.dateFormat ||
						$.datepicker._defaults.dateFormat,
						selectedDate, instance.settings );
				air_dates.not( this ).datepicker( "option", option, date );
                                $("#air-return").val(selectedDate);
			}
		});
        var car_dates = $( "#car-depart, #car-return" ).datepicker({
			defaultDate: "+1w",
			changeMonth: true,
			numberOfMonths: 1,
                        dateFormat: "mm/dd/yy",
                        autoSize: true,
			onSelect: function( selectedDate ) {
				var option = this.id == "car-depart" ? "minDate" : "maxDate",
					instance = $( this ).data( "datepicker" ),
					date = $.datepicker.parseDate(
						instance.settings.dateFormat ||
						$.datepicker._defaults.dateFormat,
						selectedDate, instance.settings );
				car_dates.not( this ).datepicker( "option", option, date );
                                $("#car-return").val(selectedDate);
			}
		});
    });
             
}(jQuery));