$(document).ready(function () {
    $('select[name="search_city"]').bind('change', function () {
        var city = $(this).val();
        var idx = $('select[name="idx"]').val();
        $.ajax({
            'url' : '/idx/inc/php/ajax/html.php?updateSubdivisions',
            'type' : 'GET',
            'dataType': 'html',
            'data' : {
                'search_city' : city ,
                'idx' : idx
            },
            'success' : function (html, textStatus) {
                if (typeof(html) == 'undefined' || html == '') return;
                $('select[name="search_subdivision"]').replaceWith(html);
            }
        });
    });
    $('select[name="idx"]').bind('change', function () {
        var idx = $(this).val();
        var city = $('select[name="search_city"]').val();
        $.ajax({
            'url' : '/idx/inc/php/ajax/html.php?updateSubdivisions',
            'type' : 'GET',
            'dataType': 'html',
            'data' : {
                'search_city' : city ,
                'idx' : idx
            },
            'success' : function (html, textStatus) {
                if (typeof(html) == 'undefined' || html == '') return;
                $('select[name="search_subdivision"]').replaceWith(html);
            }
        });
    });
});