var param={};
var link = window.location.href;
var host = window.location.host;
var referrer = trim(document.referrer);
var titleName = document.title;
var selfsrc = document.scripts[document.scripts.length - 1].src;  


param["host"]=host;
param["rf"]=encodeUrl(referrer);
param["rfk"]=getKeyword(referrer);
param["url"]=encodeUrl(link);
param["title"]=encodeURIComponent(titleName);
param["br"]=getBr();
param["scr"]=screen.width+"x"+screen.height;
param["sys"]=getOS();
param["lang"]=encodeURIComponent(getLan());
param["cid"]=req(selfsrc,"cid");
param["coid"]=req(selfsrc,"coid");
param["sid"]=req(selfsrc,"sid");

var dest = selfsrc.substring(0,selfsrc.indexOf("/common/stat.js"));

dest = dest+"/stat?"
		
stat();
function stat(){
var s = document.createElement("script");
	
	s.src = dest+mergeParam(param);
	
(document.getElementsByTagName("head")[0]||document.getElementsByTagName("body")[0]).appendChild(s);
}

function onOut(){
	stat();
}

var loadtime = new Date().getTime();
function KeepAlive(){
	var t = new Date().getTime();
//	console.log(t-loadtime);
	if(t-loadtime>60000){
		loadtime = t;
		stat();
	}
}

if(window.attachEvent){
	window.attachEvent("onbeforeunload",onOut);
	document.attachEvent("onmousemove",KeepAlive);
	window.attachEvent("onscroll",KeepAlive);
}else if(window.addEventListener){
	window.addEventListener('beforeunload',onOut,false);
	document.addEventListener("mousemove",KeepAlive,false);
	window.addEventListener("scroll",KeepAlive,false);
}

function encodeUrl(str){
	return encodeURI(str).replace(/=/g,"%3D").replace(/\+/g,"%2B").replace(/\?/g,"%3F").replace(/\&/g,"%26").replace(/\#/g,"%23");
}

function mergeParam(map){
	var sb = [];
	for(var prop in map){
		if(map[prop]){
			sb.push(prop+"="+trim(map[prop]));
		}
	}	
	return sb.join("&");
}

function trim(str){
	return str.replace(/(^\s*)|(\s*$)/g,"");
}


function req(url, paras) 
{
    var paraString = url.substring(url.indexOf("?") + 1, url.length).split("&");
    var paraObj = {}
    for (i = 0; j = paraString[i]; i++) {
        paraObj[j.substring(0, j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf("=") + 1, j.length);
    }
    var returnValue = paraObj[paras.toLowerCase()];
    if (typeof (returnValue) == "undefined") {
        return "";
    } else {
        return returnValue;
    }
}

function getOS() 
{
    var ua = navigator.userAgent.toLowerCase();
    isWin8 = ua.indexOf("nt 6.2") > -1
    isWin7 = ua.indexOf("nt 6.1") > -1
    isVista = ua.indexOf("nt 6.0") > -1
    isWin2003 = ua.indexOf("nt 5.2") > -1
    isWinXp = ua.indexOf("nt 5.1") > -1
    isWin2000 = ua.indexOf("nt 5.0") > -1
    isWindows = (ua.indexOf("windows") != -1 || ua.indexOf("win32") != -1)
    isMac = (ua.indexOf("macintosh") != -1 || ua.indexOf("mac os x") != -1)
    isAir = (ua.indexOf("adobeair") != -1)
    isLinux = (ua.indexOf("linux") != -1)
    isAndroid = ua.match(/android/i) === "android"
    isIpad = ua.match(/ipad/i) === "ipad"
    isIphoneOs = ua.match(/iphone os/i) === "iphone os"
    
    var broser = "";
    if (isWin7) {
        sys = "Windows 7";
    } else if (isWin8) {
        sys = "Windows 8";
    } else if (isVista) {
        sys = "Vista";
    } else if (isWinXp) {
        sys = "Windows XP";
    } else if (isWin2003) {
        sys = "Windows 2003";
    } else if (isWin2000) {
        sys = "Windows 2000";
    } else if (isWindows) {
        sys = "Windows";
    } else if (isMac) {
        sys = "Macintosh";
    } else if (isAir) {
        sys = "Adobeair";
    } else if (isLinux) {
        sys = "Linux";
    } else if (isAndroid) {
        sys = "Android";
    } else if (isIpad) {
        sys = "IPad";
    } else if (isIphoneOs) {
        sys = "Iphone";
    } 
    
    else {
        sys = "其他";
    }
    return sys;
}

function getBr()
{	var userAgent = navigator.userAgent,   
	rMsie = /(msie\s|trident.*rv:)([\w.]+)/,   
	rFirefox = /(firefox)\/([\w.]+)/,   
	rOpera = /(opera).+version\/([\w.]+)/,   
	rChrome = /(chrome)\/([\w.]+)/,   
	rSafari = /version\/([\w.]+).*(safari)/;  
	var browser;  
	var version;  
	var ua = userAgent.toLowerCase();  
	function uaMatch(ua){  
	  var match = rMsie.exec(ua);  
	  if(match != null){  
	    return { browser : "IE", version : match[2] || "0" };  
	  }  
	  var match = rFirefox.exec(ua);  
	  if (match != null) {  
	    return { browser : match[1] || "", version : match[2] || "0" };  
	  }  
	  var match = rOpera.exec(ua);  
	  if (match != null) {  
	    return { browser : match[1] || "", version : match[2] || "0" };  
	  }  
	  var match = rChrome.exec(ua);  
	  if (match != null) {  
	  	//chrome返回代号
	    return { browser : 'chrome' || "", version : "" };  
	  }  
	  var match = rSafari.exec(ua);  
	  if (match != null) {  
	    return { browser : match[2] || "", version : match[1] || "0" };  
	  }  
	  if (match != null) {  
	    return { browser : "", version : "0" };  
	  }  
	}  
	var browserMatch = uaMatch(userAgent.toLowerCase());  
	if (browserMatch.browser){  
	  browser = browserMatch.browser;  
	  version = browserMatch.version;  
	}  
	return (browser+version);          
}


function getLan()
{
	
	var lan = '';
	if (navigator.systemLanguage != "undefined" && navigator.systemLanguage != null) 
	{ 
		lan = navigator.systemLanguage;
	} 
	else
	{ 
		lan = navigator.language; 
	} 
	var lang = lan.substr(0,2);

	if(lang == "zh"){
		return "中文";
	}else if(lang == "af"){
		return "荷兰语";
	}else if(lang == "sq"){
		return "阿尔巴尼亚语";
	}else if(lang == "er"){
		return "阿拉伯语";
	}else if(lang == "hy"){
		return "亚美尼亚语";
	}else if(lang == "az"){
		return "阿塞拜疆语";
	}else if(lang == "eu"){
		return "巴斯克语";
	}else if(lang == "bg"){
		return "保加利亚语";
	}else if(lang == "hr"){
		return "克罗埃西亚语";
	}else if(lang == "cs"){
		return "捷克语";
	}else if(lang == "en"){
		return "英语";
	}else if(lang == "et"){
		return "爱沙尼亚语";
	}else if(lang == "fr"){
		return "法语";
	}else if(lang == "de"){
		return "德语";
	}else if(lang == "it"){
		return "意大利语";
	}else if(lang == "ja"){
		return "日语";
	}else if(lang == "ko"){
		return "韩语";
	}else if(lang == "no"){
		return "蒙语";
	}else if(lang == "ru"){
		return "俄语";
	}else if(lang == "es"){
		return "西班牙语";
	}else if(lang == "th"){
		return "泰语";
	}else if(lang == "vi"){
		return "越南语";
	}else{
	 	return lan.toLowerCase();
	}
}
// 获取来自搜索引擎的关键词
function getKeyword(url) {
    if (url.toString().indexOf(".baidu.com") > 0) 
    {
        return req(url, "wd");
    }
    else if (url.toString().indexOf(".so.com") > 0 || url.toString().indexOf(".haosou.com") > 0 || url.toString().indexOf(".chinaso.com") > 0 || url.toString().indexOf(".youdao.com") > 0) 
    {
        return req(url, "q");
    }
    else if (url.toString().indexOf("google") > 0) 
   {
        return req(url, "q");
    }
    else if (url.toString().indexOf(".zhongsou.com") > 0) 
   {
        return req(url, "w");
    }
    else if (url.toString().indexOf(".sogou.com") > 0) 
    {
        return req(url, "query");
    }
    else if (url.toString().indexOf(".soso.com") > 0) 
    {
        return req(url, "query");
    }
    else {
        return "";
    }
}