jquery date插件

$(function() {	
var dates = $( "#from, #to" ).datepicker(
	{
		defaultDate: "+1W",
		changeYear: true,
		changeMonth: true,
		maxDate: 0,
		dateFormat:"yy-mm-dd",
		numberOfMonths: 1,
		onSelect: function( selectedDate ) {
			var option = this.id == "from" ? "minDate" : "maxDate",
				instance = $( this ).data( "datepicker" );
				date = $.datepicker.parseDate(
					instance.settings.dateFormat ||
					$.datepicker._defaults.dateFormat,
					selectedDate, instance.settings );
			dates.not( this ).datepicker( "option", option, date );
		}
	});
});