Jivo

<!-- BEGIN JIVOSITE CODE {literal} -->
<script type='text/javascript'>
    (function () {
        var widget_id = 'x4WkTczrNQ';
        var d = document;
        var w = window;

        function l() {
            var s = document.createElement('script');
            s.type = 'text/javascript';
            s.async = true;
            s.src = '//code.jivosite.com/script/widget/' + widget_id;
            var ss = document.getElementsByTagName('script')[0];
            ss.parentNode.insertBefore(s, ss);
        }

        if (d.readyState == 'complete') {
            l();
        } else {
            if (w.attachEvent) {
                w.attachEvent('onload', l);
            } else {
                w.addEventListener('load', l, false);
            }
        }

        function jivo_onLoadCallback() {
            console.log('foobar');
        }

    })();
</script>