iframebymozi2.html

<iframe src="https://iqosiframe2.ussl.co/" width="100%" height="200px" style="border: 0; position: fixed; left: 0; bottom: 0; width: 100%; max-height: 100%; transition: 0.15s ease-out height;" class="mozi_iframe"></iframe>

<script>

    var eventMethod = window.addEventListener
        ? "addEventListener"
        : "attachEvent";
    var eventer = window[eventMethod];
    var messageEvent = eventMethod === "attachEvent"
        ? "onmessage"
        : "message";

    eventer(messageEvent, function (e) {


        if( typeof e.data[0] == 'string' && e.data[0] == 'change_height' ) {
            document.querySelector('iframe.mozi_iframe').style.height = e.data[1];
        } else if( typeof e.message[0] == 'string' && e.message[0] == 'change_height' ) {
            document.querySelector('iframe.mozi_iframe').style.height = e.message[1];
        }

    });

</script>