js获取客户端信息

<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script>
<script type="text/javascript">
window.onload=function(){
gettime();  //js获取当前时间
getip();    //js获取客户端ip
geturl();    //js获取客户端当前url
getrefer();    //js获取客户端当前页面的上级页面的url
getuser_agent();       //js获取客户端类型
getcookie()  //js获取客户端cookie
loadXMLDoc();
}
function gettime(){
var nowDate = new Date();
return nowDate.toLocaleString();
}
function geturl(){
return window.location.href;
}
function getip(){
return returnCitySN["cip"]+','+returnCitySN["cname"];
}
function getrefer(){
return document.referrer;
}
function getcookie(){
return document.cookie;
}
function getuser_agent(){
return navigator.userAgent;
}
function loadXMLDoc(){
var xmlhttp;
if (window.XMLHttpRequest){
xmlhttp=new XMLHttpRequest();
}else{
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function(){
if (xmlhttp.readyState==4 && xmlhttp.status==200){
//alert(xmlhttp.responseText);
}
}  //http://localhost/git_work/log.php   //http://localhost:8088/log.php
xmlhttp.open("POST","http://analysis.wml.com:8088/log.php",true);
xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
xmlhttp.send("time="+gettime()+"&ip="+getip()+"&url="+geturl()+"&refer="+getrefer()+"&user_agent="+getuser_agent()+"&cookie="+getcookie());
}
</script>