<script type="text/javascript">
  <!--
	function loadScript(src,callBack){
  var ie = /msie/i.test(navigator.userAgent);
  var el=document.createElement('script');
  el.src=url;
  if(ie){
    el.onreadystatechange=function(){
     if(el.readyState=='loaded' || el.readyState=='complete') callBack&& callBack()
    } 
  }else{
    el.onload=callBack;
  }
  document.body.appendChild(el);
}
 //jquery包用$.getScript
/////////////////////////////////////////////////
var url="http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip="
loadScript(url,function(){
   document.write(remote_ip_info.city );
});
  //-->
  </script>