modal for ads blocked disable

<style>

 .modal {

            display: none;

            position: fixed;

            z-index: 1;

            left: 0;

            top: 0;

            width: 100%;

            height: 100%;

            overflow: auto;

            background-color: rgb(0, 0, 0);

            background-color: rgba(0, 0, 0, 0.4);

        }

        .modal-content {

            background-color: #fefefe;

            margin: 5% auto;

            padding: 60px 0px;

            border: 1px solid #888;

            width: 50%;

            text-align: center;

        }

        .modal-title {

            line-height: 28px;

           display:block;

           margin-bottom:40px;

            color: #2f5492;

            font-size: 26px;

        }

        .modal-p {

            font-size: 20px;

            margin-top:15px;

font-weight:600;

        }

        .modal-x {

            margin-top: 40px;

            text-transform: uppercase;

             color: #2f5492;

            letter-spacing: 0.14em;

            font-size: 16px;

      font-weight:600;

        }

</style>

<script>

function disableScrolling(){

    var x=window.scrollX;

    var y=window.scrollY;

    window.onscroll=function(){window.scrollTo(x, y);};

}

function adBlockDownload()

{

alert("Please disable your ad blocker for Kansiris.org and download.");

}

function adBlockFunction()

{

setTimeout(function() { 

document.getElementById('myModal').style.display = 'block';

ga('send', 'event', 'Blocker', 'click','Blocker');

},2000);

disableScrolling();

//document.getElementById('ab-message').style.display = 'block';

var b = document.getElementById('downloadScript'); 

b.setAttribute("href", "#block");

b.setAttribute("onclick", "adBlockDownload();");

}

</script>

<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js" onerror="adBlockFunction();"></script>

<div class='modal' id='myModal'>

<div class='modal-content'>

<b class='modal-title'>Thanks for visiting Kansiris</b>

<p class='modal-p'>We notice you have an ad blocker on.</p>

<p class='modal-p'>Advertisements help us provide quality content.</p>

<p class='modal-x'>Please turn ad blocker off for Kansiris.org</p>

</div>

</div>