01.var datepicked = function() {
02.var from = $('#from');
03.var to = $('#to');
04.var fromDate = from.datepicker('getDate');
05.var toDate = to.datepicker('getDate');
06.
07.if(toDate && fromDate){
08.if (toDate.getTime() < fromDate.getTime()){
09.alert('วันสุดท้ายน้อยกว่าวันเข้าพัก');
10.$('#to').val('');
11.}
12.}
13.}
14.
15.$(function() {
16.$('#from, #to').datepicker({
17.onSelect: datepicked,
18.dateFormat: 'yy-mm-dd',
19.minDate: 0,
20.maxDate:'+1M'
21.
22.});
23.});
