js获取客户端信息

js获取客户端time,cookie,url,ip,refer,user_agent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>