Autocomplete using AJAX call

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PHP

this is my code have searched through google,
but is prompt an error that select:function(event,ui) does not exists. my code is as follow: i have used:

<script type="text/javascript" src="jqueryui\jquery.autocomplete.js"></script>

and:



$(document).ready(function() {

$('#add_event_customer_name').autocomplete({

source: function (request, response) {
$.ajax({
// url: "bal/getCustomerDetail.php", //Call to Server Side
url:":/bal/getCustomerDetail.php",
data: "{ term: request.term }",
dataType: "json",
type: "POST",
contentType: "application/json; charset=utf-8",
success: function (result) {
response(result);
}

});
},
open: function (event, ui) {
$(this).autocomplete("widget").css({
"width": 344,
"font-size": 11,
"font-family": "Arial"
});
},

Select:function(event,ui)
{
// when a customer name is selected, populate related fields in respective control
this.createeventform.add_event_customer_phone.value = ui.item.phone;
this.createeventform.add_event_customer_mobile.value = ui.item.mobile;
this.createeventform.add_event_customer_email.value = ui.item.email;
this.createeventform.add_event_customer_fax.value = ui.item.fax;
this.createeventform.add_event_customer_address.value = ui.item.address;
}
});


input tag is:
<input type="text" name="event_customer_name" id="add_event_customer_name" class="validate[required,custom[onlyLetter]] text ui-widget-content ui-corner-all"/>.


data page :
getCustomerDetail.php:

session_start();
include '../config.php';
include_once('../class/events.php');
$eventobj = new event();
$eventobj->getCustomerDetail($_POST['add_event_customer_name']);


class file: events.php:

function getCustomerDetail($custName)
        {
            $db = new emgrdb();
            $customer="SELECT id, name, email, phone, mobile,fax,address FROM customer where name like '$custName%'";
            $cust_query=$db->fetch_array($customer,$db);
            echo "SELECT id, name, email, phone, mobile,fax,address, FROM customer where name like '$custName%'";
            if(!empty($cust_query))
            {
                  $data[]=array(
                    'value'=>$cust_query['name'],
                    'email'=>$cust_query['email'],
                    'phone'=>$cust_query['phone'],
                    'mobile'=>$cust_query['mobile'],
                    'fax'=>$cust_query['fax'],
                    'address'=>$cust_query['address']
                   );


            }
            echo json_encode($data);
        }