document.write(
'<div style="max-width:640px;position:relative;" id="J_advertise_">' +
    '<a href="">' +
        '<img style="width:100%;display:block;" src="">' +
    '</a>' +
    '<span style="display:block;width:30px;height:30px;background:#999;position:absolute;top:5px;right:5px;border-radius:15px;text-align:center;line-height:28px;color: #FFF;font-size: 24px;" onclick="document.getElementById(\'J_advertise_\').style.display=\'none\'">×</span>' +
'</div>'
);