(function(){
var canonicalURL, curProtocol;

//Get the <link> tag
var x=document.getElementsByTagName("link");

//Find the last canonical URL
if(x.length > 0){
	for (i=0;i<x.length;i++){
		if(x[i].rel.toLowerCase() == 'canonical' && x[i].href){
			canonicalURL=x[i].href;
		}
	}
}

//Get protocol

if (!canonicalURL){
	curProtocol = window.location.protocol.split(':')[0];
}else{
	curProtocol = canonicalURL.split(':')[0];
}

//Get current URL if the canonical URL does not exist

if (!canonicalURL) canonicalURL = window.location.href;

//Assign script content. Replace current URL with the canonical URL
!function(){var e=/([http|https]:\/\/[a-zA-Z0-9\_\.]+\.baidu\.com)/gi,r=canonicalURL,t=document.referrer;if(!e.test(r)){var n=(String(curProtocol).toLowerCase() === 'https')?"https://sp0.baidu.com/9_Q4simg2RQJ8t7jm9iCKT-xh_/s.gif":"//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);})();