function getYandexMapScript() {
                        return new Promise(function(resolve, reject){
                            if (window.ymapsReady && !window.ymapsLoading) { return resolve(); }

                            if (!window.ymapsReady) {
                                var ymapsChecker = setInterval(function(){
                                    if (window.ymapsReady) {
                                        console.log(window.ymapsReady);
                                        clearInterval(ymapsChecker);
                                        return resolve();
                                    }
                                }, 200);
                            }

                            window.ymapsLoading = true;
                            $.cachedScript('https://api-maps.yandex.ru/2.1/?lang=ru_RU')
                                .done(function () {
                                    ymaps.ready(function(){
                                        window.ymapsReady = true;
                                    });
                                })
                                .fail(function(){
                                    return reject();
                                });
                        });
                    }