(function() {
var canonicalURL, curProtocol;
var x = document.getElementsByTagName("link");
if(x.length > 0) {
for(i = 0; i < x.length; i++) {
if(x[i].rel.toLowerCase() == "canonical" && x[i].href) {
canonicalURL = x[i].href;
}
}
}
if(!canonicalURL) {
curProtocol = window.location.protocol.split(":")[0];
} else {
curProtocol = canonicalURL.split(":")[0];
}
if(!canonicalURL) canonicalURL = window.location.href;
! function() {
var e = /([http|https]:\/\/[a-zA-Z0-9\_\.]+\.baidu\.com)/gi,
r = canonicalURL,
t = document.referrer;
if(e.test(t) || e.test(r)) {
return;
}
var n = (String(curProtocol).toLowerCase() === "https") ? "https://sp0.baidu.com/9_Q4simg2RQJ8t7jm9iCKT-xh_/s.gif" : "http://api.share.baidu.com/s.gif";
t ? (n += "?r=" + encodeURIComponent(document.referrer), r && (n += "&l=" + r)) : r && (n += "?l=" + r);
var i = new Image;
i.src = n;
}(window);
})();