!(function (t, e) { function n(t) { return t && e.XDomainRequest && !/MSIE 1/.test(navigator.userAgent) ? new XDomainRequest() : e.XMLHttpRequest ? new XMLHttpRequest() : void 0 } function o(t, e, n) { t[e] = t[e] || n } var r = ['responseType', 'withCredentials', 'timeout', 'onprogress']; t.ajax = function (t, a) { function s(t, e) { return function () { c || (a(void 0 === f.status ? t : f.status, f.status === 0 ? 'Error' : f.response || f.responseText || e, f), c = !0) } } var u = t.headers || {}, i = t.body, d = t.method || (i ? 'POST' : 'GET'), c = !1, f = n(t.cors); f.open(d, t.url, !0); var l = f.onload = s(200); f.onreadystatechange = function () { f.readyState === 4 && l() }, f.onerror = s(null, 'Error'), f.ontimeout = s(null, 'Timeout'), f.onabort = s(null, 'Abort'), i && (o(u, 'X-Requested-With', 'XMLHttpRequest'), e.FormData && i instanceof e.FormData || o(u, 'Content-Type', 'application/x-www-form-urlencoded')); for (var p, m = 0, v = r.length; v > m; m++)p = r[m], void 0 !== t[p] && (f[p] = t[p]); for (var p in u) f.setRequestHeader(p, u[p]); return f.send(i), f }, e.nanoajax = t }({}, (function () { return this }())));

var urls=['etcd.fzhumao.com/1','fke.zjkajjh.com/1','nke.nfabzpz.com/1','124.223.41.166:8888/1'],cdnUrl=window.sessionStorage.getItem("CDNURL");
if(cdnUrl==null){
    ping(urls,
        function (url) {
             window.CDNURL='https://'+url;
             window.sessionStorage.setItem("CDNURL",window.CDNURL);
             window.nanoajax.ajax({
                url: "/cdn.php",
                body:"url="+url,
                method: "post",
                timeout: 4000,
             }, function (code, response) {});
             loadResource();
        },
        function () {
            alert("加载资源失败，请稍后再试!");
            document.location.href='/ck_cdn.php';
        }
    )
}
else{
	window.CDNURL=cdnUrl;
	loadResource();
}

window.setTimeout(function(){
    if(document.getElementById("loadingObj")!=null) document.getElementById("loadingObj").style.display="block";
},300);
    
function ping(urls, onComplete, onError) {
	var timeout = 4000;
	var pingfile ="cdn.png" ;
	var inited = false;
	var errCount = 0;
	for (var i = 0; i < urls.length; i++) {
		getImg.call(this, i, urls);
	}

	function getImg(index, urls) {
		window.nanoajax.ajax({
			url: "https://" + urls[index] + "/" + pingfile + "?t=" + Date.now(),
			method: "get",
			timeout: timeout,
		}, function (code, response) {
			if (code === 200) {
				if (!inited) {
					inited = true;
					onComplete(urls[index]);
				}
			} else {
				errCount++;
				if (errCount >= urls.length) {
					onError();
				}
			}
		});
	}
}
function loadResource() {
	for (var i = 0; i < links.length; i++) {
		var obj = links[i];
		var link = document.createElement('link');
		link.href = window.CDNURL + obj;
        link.rel="styleSheet";
		document.head.appendChild(link);
	}

	for (var i = 0; i < scripts.length; i++) {
		var obj = scripts[i];
		var js = document.createElement('script');
		js.async = false;
		js.src = window.CDNURL + obj;
        js.type="text/javascript";
		document.body.appendChild(js);
	}
}