function function init_first_radio input name delivery first prop chec

        $(function() {

            function init_first_radio(){
                $('input[name=delivery]:first').prop('checked', true).change();
                $('input[name=payment]:first').prop('checked', true).change();
            };
            {% if request.method == 'GET' %}
                init_first_radio();
            {% endif %}

            // change city
            (function(){
                var city = $("#id_city");
                var delivery = $("#delivery-ajax-wrap");
                var payment = $("#payment-ajax-wrap");
                var issue = $("#issue-ajax-wrap");
                var issue_block = $("#issue-block");
                var info_block = $("#info-block");

                function change_delivery(){
                    var lis = $('ul#id_delivery li');
                    issue_block.hide();
                    info_block.show();
                    lis.on('change', function(){
                        var delivery_id = $(this).find('input').val();
                        if(delivery_id == '3') {
                            issue_block.show();
                            info_block.hide();
                        } else {
                            issue_block.hide();
                            info_block.show();
                        }
                    });
                }
                city.change(function(){
                    var city_id = $(this).val();
                    $.ajax({
                        url: '/order/ajax_city/' + city_id + '/',
                        dataType: 'json'
                    }).done(function(data) {
                        delivery.html(data['delivery_widget']);
                        payment.html(data['payment_widget']);
                        issue.html(data['issue_widget']);
                        change_delivery();
                        init_first_radio();
                    });
                });
                change_delivery();
            })();
        });