let finished = false;
    let haveAd = false;

    function _onLoad() {
        //console.log("_onLoad");
        if (finished) {
            return;
        }
        finished = true;
        haveAd = true;

        let timeout = null;
        let oav = null;
        if ("OpenAdViewability" in window) {
            oav = new OpenAdViewability();
            timeout = window.setTimeout(() => {
                oav.checkViewability(function () {
                    //console.log("_track");
                    window.parent.postMessage({a: 'movieads_tr_ad', fid: 'f1923f950abb4b3d7', l: 'https://code.21wiz.com/go/track?v=20cc3ff22a8255c27c236222507dbc11&d=kpgtan5jcsmfurg4ewjf4uoasbgta3qfpv38rm5wpbgqjpwhte3anrhqpsfmlnzwp7ms64zeer7qapojtbfaen51pvbmr4zfpvkf13oa8rnhlpgbsbgtp4zeer7qrzoap3n8e53a8rgaezoap71fum5eps4txrg4er3qlpgvsjnqdzwbtjbqlcg4tp3qjcw3erfaeuqzpvu1edgaerfaeuq1csgfxrg4ernaupobtlnqlpoasbg8r3zqclgqjrhapsmtu3z1erfae7zvcs1aedgatg1hddo1pv1frzwgtc1qbzwhtuutxzw3tlutezwvpwbhbpzq8l5qtpwhtuganrhfcs1aedgaew6b&b={session}&vt=[vt]&gguid=[gguid]&subs=[subs]&ps=[session]&sig=[sig]&f=[fp]&tti=[tti]&w=[w]&h=[h]&sw=[sw]&sh=[sh]&ls=[ls]&pr=[pr]&u=[u]'}, '*');
                });
            }, 1000);
        } else {
            timeout = window.setTimeout(() => {
                //console.log("_track");
                window.parent.postMessage({a: 'movieads_tr_ad', fid: 'f1923f950abb4b3d7', l: 'https://code.21wiz.com/go/track?v=20cc3ff22a8255c27c236222507dbc11&d=kpgtan5jcsmfurg4ewjf4uoasbgta3qfpv38rm5wpbgqjpwhte3anrhqpsfmlnzwp7ms64zeer7qapojtbfaen51pvbmr4zfpvkf13oa8rnhlpgbsbgtp4zeer7qrzoap3n8e53a8rgaezoap71fum5eps4txrg4er3qlpgvsjnqdzwbtjbqlcg4tp3qjcw3erfaeuqzpvu1edgaerfaeuq1csgfxrg4ernaupobtlnqlpoasbg8r3zqclgqjrhapsmtu3z1erfae7zvcs1aedgatg1hddo1pv1frzwgtc1qbzwhtuutxzw3tlutezwvpwbhbpzq8l5qtpwhtuganrhfcs1aedgaew6b&b={session}&vt=[vt]&gguid=[gguid]&subs=[subs]&ps=[session]&sig=[sig]&f=[fp]&tti=[tti]&w=[w]&h=[h]&sw=[sw]&sh=[sh]&ls=[ls]&pr=[pr]&u=[u]'}, '*');
            }, 2000);
        }

        let destroyListener = () => {
            window.clearTimeout(timeout);
            timeout = null;

            window.removeEventListener("pagehide", destroyListener, {capture: true});
            destroyListener = null;

            if (oav !== null) {
                oav.cancelCheck();
                oav = null;
            }
        };
        window.addEventListener("pagehide", destroyListener, {capture: true});

        window.parent.postMessage({a: 'movieads_bn_imp', fid: 'f1923f950abb4b3d7'}, '*');
    }

    function _onError() {
        //console.log("_onError");
        if (finished) {
            return;
        }
        finished = true;

        window.parent.postMessage({a: 'movieads_nobanner', fid: 'f1923f950abb4b3d7'}, '*');
    }

    function _onClick() {
        if (!haveAd) {
            return;
        }

        (new Image()).src = 'https://code.21wiz.com/go/track?v=20cc3ff22a8255c27c236222507dbc11&d=kpgtan5jcsmfurg4ewgfn4zqcpganrhopg5txuhjz7jfrrg4te3hapgpewgfa5zbpsjfd519cs1aedggtl4qrzoapc3txnzjcs5txm5wpbgqjpwbtrnanrhtcs1aedgjsbgtpuq1cugqjrgasbgtd3zdz71ta7qser7aepgbtr414pomsjnqxrobtn7qtpg4tju1ezoadovfx6wa8rgaezoadg1ft4oa8rgtenzdc31mergpew4mx4zeer7aecqstuuqe3zspbfhap5e8lfhtc3npjfh1ponprfhxnho8lnftdoftpnhtc3asbg8p4zeer7aerh7&b={session}&vt=[vt]&gguid=[gguid]&subs=[subs]&ps=[session]&sig=[sig]&f=[fp]&tti=[tti]&w=[w]&h=[h]&sw=[sw]&sh=[sh]&ls=[ls]&pr=[pr]&u=[u]';
    }

    (function () {

        function _checkBannerContent() {
            if (finished) {//Чтобы не задваивало
                return false;
            }
            const elements = document.querySelectorAll('[id*="adform-adbox"]');
            for (let el of elements) {
                const rect = el.getBoundingClientRect();
                if (rect.width >= 50 && rect.height >= 50) {
                    _onLoad();
                    return true;
                }
            }

            return false;
        }

        function _initChecker() {
            let interval = window.setInterval(() => {
                if (!_checkBannerContent()) {
                    return;
                }

                if (dstr != null) {
                    dstr();
                }

            }, 1000);

            let dstr = () => {
                window.removeEventListener("pagehide", dstr, {capture: true});
                dstr = null;

                window.clearInterval(interval);
                interval = null;
            };
            window.addEventListener("pagehide", dstr, {capture: true});
        }

        (function _main() {
            _initChecker();
        })();
    })();