virtualbrest.by mirror-sticky customized

<script>
(function(w, d){

    function getElementsHeight(el) {
        var totalHeight = 0;
        if(el && el.childNodes)
            el.childNodes.forEach( function(e) {
                if(e.clientHeight)
                totalHeight += e.clientHeight;
            });

        return totalHeight;
    };

    function checkHeights(){
        var center    = d.querySelector(".news-center");
        var left      = d.querySelector(".sidebar-left");
        var right     = d.querySelector(".sidebar-right");
        var rightCont = right.parentNode;

        var centerHeight = center.clientHeight;
        var rightHeight  = getElementsHeight(rightCont);
        var leftHeight   = left.clientHeight;

        return (centerHeight > (rightHeight + 600) && centerHeight > (leftHeight + 600));
    }

    function addBanner(code, el, pos){
        var contDiv = document.createElement('div');
        contDiv.classList.add('lx_sticky_wrapper');
        var anchor = document.createElement('div');
        anchor.classList.add('lx_sticky_anchor_' + pos);
        el.appendChild(contDiv);
        contDiv.appendChild(anchor);
        var div = document.createElement('div');
        div.innerHTML = code;
        contDiv.appendChild(div);
        while (div.firstChild) contDiv.insertBefore(div.firstChild, div);
        contDiv.removeChild(div);
        var scripts = contDiv.getElementsByTagName("script");
        Array.from(scripts).forEach(function(script, index, array) {
            var newScript = document.createElement('script');
            if(typeof script.src !== "undefined" && script.src && script.sr !== "")
            {
                newScript.src = script.src;
                newScript.className = script.className;
                contDiv.appendChild(newScript);
            }
            else
            {
                var data = (script.text || script.textContent || script.innerHTML || "");
                newScript.className = script.className;
                newScript.type = script.type;
                newScript.appendChild(document.createTextNode(data));
                contDiv.appendChild(newScript);
            }
            contDiv.removeChild(script);
        });
    }

    var checkFlag = false;
    var repeatTimes = 50;
    var repeatCount = 0;

    var codeLeft = "<scr"+"ipt async type='text/javascript' src='//s.clickiocdn.com/t/common_258.js'><\/scr"+"ipt>" +
            "<scr"+"ipt class='__lxGc__' type='text/javascript'>" +
            "((__lxGc__=window.__lxGc__||{'s':{},'b':0})['s']['_209992']=__lxGc__['s']['_209992']||{'b':{}})['b']['_658351']={'i':__lxGc__.b++};" +
            "<\/scr"+"ipt>";
    var codeRight = "<scr"+"ipt async type='text/javascript' src='//s.clickiocdn.com/t/common_258.js'><\/scr"+"ipt>" +
            "<scr"+"ipt class='__lxGc__' type='text/javascript'>" +
            "((__lxGc__=window.__lxGc__||{'s':{},'b':0})['s']['_209992']=__lxGc__['s']['_209992']||{'b':{}})['b']['_658349']={'i':__lxGc__.b++};" +
            "<\/scr"+"ipt>";

    var interval = setInterval(function(){
        repeatCount++;
        if(checkHeights())
        {
            checkFlag = true;
            clearInterval(interval);
            //
            var left      = d.querySelector(".sidebar-left");
            var right     = d.querySelector(".sidebar-right");
            var rightCont = right.parentNode;

            addBanner(codeLeft, left, "left");
            addBanner(codeRight, rightCont, "right");

        }
        else
        {
            if(repeatCount >= repeatTimes){
                clearInterval(interval);
            }
        }
    }, 100);
})(window, document);
</script>