function detect_dname() {
    var div = document.getElementById('dname-detector');
    var iframe = document.createElement('iframe');
    iframe.setAttribute('src',
        'http://te-reo.xn--mori-qsa.dns.net.nz/visitor.php');
    iframe.setAttribute('width', '1');
    iframe.setAttribute('height', '1');
    iframe.setAttribute('frameborder', '0');
    div.appendChild(iframe);

    if (window.removeEventListener) {
        window.removeEventListener(name, detect_dname, false);
    }
    else if (window.detachEvent) {
        try {
            window.detachEvent('on' + name, detect_dname);
        } catch (e) {}
    }
}

try {
    if (window.addEventListener) {
        window.addEventListener('load', detect_dname, false);
    }
    else if (window.attachEvent) {
        window.attachEvent('onload', detect_dname);
    }
} catch (e) {}