<script type='text/javascript' src='http://*.ru/jquery-1.7.2.min.js'></script>

<script type='text/javascript' src='http://*.ru/selects.js'></script>

		

 ".nc_list_field("Area", "id='f_Area'", $classID, 1,1)."<br />

Город (*):<br />

<select name='f_Region' id='f_Region' disabled='disabled'>

<option value=0> --- выберите --- </option>

</select><br />

$(document).ready(function () {

	$('#Area_id').change(function () {

		var country_id = $(this).val();

		if (country_id == '0') {

			$('#region_id').html('');

			$('#region_id').attr('disabled', true);

			return(false);

		}

		$('#region_id').attr('disabled', true);

		$('#region_id').html('<option>загрузка...</option>');

		

		var url = 'get_cities.php';

		

		$.get(

			url,

			"Area_id=" + Area_id,

			function (result) {

				if (result.type == 'error') {

					alert('error');

					return(false);

				}

				else {

					var options = '';

					$(result.regions).each(function() {

						options += '<option value="' + $(this).attr('id') + '">' + $(this).attr('title') + '</option>';

					});

					$('#region_id').html(options);

					$('#region_id').attr('disabled', false);

				}

			},

			"json"

		);

	});

});

<?php



if($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') {







include_once 'vars.inc.php';



include_once '/netcat/connect_io.php';



include_once '/netcat/modules/default/function.inc.php';







$region_id = @intval($_GET['region_id']);



if ($region_id>0) {



      mysql_query("SET NAMES utf8") or die();







      $query_cities = "SELECT Region_ID, Region_Name from Classificator_Region where Value='$region_id' or Region_ID=17590 order by Region_Priority";



      $result_cities = mysql_query($query_cities) or die("");



      $cities = array();



      while ($row=mysql_fetch_row($result_cities))



		$cities[] = array('id'=> intval($row[0]), 'title'=> trim($row[1]));



      mysql_free_result($result_cities);



      $result = array('type'=>'success', 'cities'=>$cities);



}



else {



	$result = array('type'=>'error');



}







echo json_encode($result);







 }



?>