daz.wiki smart in 3rd screen when no other ads

<script>
(function(d,w){
    let adsSelectors = "[id^=MarketGid]";
    let screenTop = w.innerHeight*2;
    let screenBottom = w.innerHeight*3;
    let adInScreen = false;
    let ad = null;

    function checkPosition() {
        Array.from(d.querySelectorAll(adsSelectors)).forEach(function(adEl){
            let o = adEl.getBoundingClientRect();
            if(!adInScreen)
            {
                if((o.top >= screenTop && o.top <= screenBottom) || (o.bottom >= screenTop && o.bottom <= screenBottom))
                {
                    adInScreen = true;
                }
                if(adInScreen){
                    ad = {
                        element: adEl,
                        rect: o
                    };
                }
            }
        });
    }

    function addContainer(cId, s, p) {
        let c = d.createElement('div');
        c.id  = cId;
        let e = d.querySelector(s);
        if(e)
        {
            if (p && p === "top")
            {
                let ch = d.querySelector(s + " > :first-child");
                if(ch) e.insertBefore(c, ch)
                else   e.appendChild(c); // Усли нет дочерних элементов - просто добавляем к родителю
            }
            else e.appendChild(c);
        }
        return c;
    }

    let t = d.querySelector('#mw-content-text');
    const c = {
        attributes: true,
        childList: true,
        subtree: true
    };
    const cb = function(mutationsList, observer) {
        for (let mutation of mutationsList) {
            if(mutation.type === "childList" && mutation.target.classList.contains("mgbox"))
            {
                checkPosition();
            }
        }
    };
    let o = new MutationObserver(cb);
    o.observe(t, c);

    let to = setTimeout(function() {
        if(!adInScreen){
            let cId = "clickio_smart";
            addContainer(cId, "body", "top");
            (w.__lxGc__=w.__lxGc__||{'s':{},'b':0}).cmd=w.__lxGc__.cmd||[];
            __lxGc__.cmd.push(function(){
                __lxGc__.display(cId, "_220206", "_676156");
            });

            o.disconnect()
        }
    }, 5000);
})(document, window);
</script>