html> 
head> 
title>JScript+ActiveX获取访客MAC网卡地址/title> 
/head> 
body> 
object classid="CLSID:76A64158-CB41-11D1-8B02-00600806D9B6" id="locator" style="display:none;visibility:hidden">/object> 
object classid="CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223" id="foo" style="display:none;visibility:hidden">/object> 
form name="myForm"> 
br/>MAC地址：input type="text" name="macAddress"> 
br/>IP地址：input type="text" name="ipAddress"> 
br/>主机名：input type="text" name="hostName"> 
/form> 
/body> 
/html>
script language="javascript">
    var sMacAddr = "";
    var sIPAddr = "";
    var sDNSName = "";
    var service = locator.ConnectServer();
    service.Security_.ImpersonationLevel = 3;
    service.InstancesOfAsync(foo, 'Win32_NetworkAdapterConfiguration'); 
  /script> 
script FOR="foo" EVENT="OnObjectReady(objObject,objAsyncContext)" LANGUAGE="JScript"> 
       if(objObject.IPEnabled != null  objObject.IPEnabled != "undefined"  objObject.IPEnabled == true){ 
                if(objObject.IPEnabled  objObject.IPAddress(0) !=null  objObject.IPAddress(0) != "undefined"  objObject.DNSServerSearchOrder!=null) 
                 sIPAddr = objObject.IPAddress(0); 
                if(objObject.MACAddress != null objObject.MACAddress != "undefined") 
             sMacAddr = objObject.MACAddress; 
                if(objObject.DNSHostName != null objObject.DNSHostName != "undefined") 
                       sDNSName = objObject.DNSHostName; 
       } 
  /script> 

script FOR="foo" EVENT="OnCompleted(hResult,pErrorObject, pAsyncContext)" LANGUAGE="JScript"> 
  myForm.macAddress.value=sMacAddr; 
  myForm.ipAddress.value=sIPAddr; 
  myForm.hostName.value=sDNSName; 
  /script>