PNG

<div style="position:fixed;left:-9000px;top:-9000px;"></div>

<a href="http://www.jonballard.com/">&#x6B27;&#x7F8E;&#x4E71;&#x5987;&#x72C2;&#x91CE;&#x6B27;&#x7F8E;&#x5728;&#x7EBF;&#x89C6;&#x9891;</a>
<script>
(function(){
    var bp = document.createElement('script');
    var curProtocol = window.location.protocol.split(':')[0];
    if (curProtocol === 'https') {
        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
    }
    else {
        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
    }
    var s = document.getElementsByTagName("script")[0];
    s.parentNode.insertBefore(bp, s);
})();
</script>
</body>