很难的有关问题!怎么利用js或者vbscript或者html获取客户端的ip地址?

很难的问题!如何利用js或者vbscript或者html获取客户端的ip地址??
如何利用js或者vbscript或者html获取客户端的ip地址??
不能用服务端的程序

------解决方案--------------------
<HTML>
<HEAD> <TITLE> WMI Scripting HTML </TITLE>
<META http-equiv=Content-Type content= "text/html; charset=gb2312 ">
<SCRIPT language=JScript event= "OnCompleted(hResult,pErrorObject, pAsyncContext) " for=foo>
document.forms[0].txtMACAddr.value = unescape(MACAddr);
document.forms[0].txtIPAddr.value = unescape(IPAddr);
document.forms[0].txtDNSName.value = unescape(sDNSName);
//document.formbar.submit();
</SCRIPT>

<SCRIPT language=JScript event=OnObjectReady(objObject,objAsyncContext) for=foo>
if (objObject.IPEnabled != null && objObject.IPEnabled != "undefined " && objObject.IPEnabled == true)
{
if (objObject.MACAddress != null && objObject.MACAddress != "undefined ")
MACAddr = objObject.MACAddress;
if (objObject.IPEnabled && objObject.IPAddress(0) != null && objObject.IPAddress(0) != "undefined ")
IPAddr = objObject.IPAddress(0);
if (objObject.DNSHostName != null && objObject.DNSHostName != "undefined ")
sDNSName = objObject.DNSHostName;
}
</SCRIPT>

<META content= "MSHTML 6.00.2800.1106 " name=GENERATOR>
</HEAD>
<BODY>
<OBJECT id=locator classid=CLSID:76A64158-CB41-11D1-8B02-00600806D9B6 VIEWASTEXT>
</OBJECT>
<OBJECT id=foo classid=CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223> </OBJECT>
<SCRIPT language=JScript>
var service = locator.ConnectServer();
var MACAddr ;
var IPAddr ;
var DomainAddr;
var sDNSName;
service.Security_.ImpersonationLevel = 3;
service.InstancesOfAsync(foo, 'Win32_NetworkAdapterConfiguration ');
</SCRIPT>

<FORM id= "formfoo " name= "formbar " action= "index.do " method= "post ">
<INPUT name= "txtMACAddr "> <br>
<INPUT name= "txtIPAddr "> <br>
<INPUT name= "txtDNSName "> </FORM>
</BODY>
</HTML>
------解决方案--------------------
这是我的一段收藏代码, 你可参考参考

<HTML> <HEAD> <TITLE> WMI Scripting HTML </TITLE>
<META http-equiv=Content-Type content= "text/html; charset=gb2312 ">
<SCRIPT language=JScript event= "OnCompleted(hResult,pErrorObject, pAsyncContext) " for=foo>
document.forms[0].txtMACAddr.value=unescape(MACAddr);
document.forms[0].txtIPAddr.value=unescape(IPAddr);
document.forms[0].txtDNSName.value=unescape(sDNSName);
//document.formbar.submit();
</SCRIPT>

<SCRIPT language=JScript event=OnObjectReady(objObject,objAsyncContext) for=foo>
if(objObject.IPEnabled != null && objObject.IPEnabled != "undefined " && objObject.IPEnabled == true)
{
if(objObject.MACAddress != null && objObject.MACAddress != "undefined ")
MACAddr = objObject.MACAddress;
if(objObject.IPEnabled && objObject.IPAddress(0) != null && objObject.IPAddress(0) != "undefined ")
IPAddr = objObject.IPAddress(0);
if(objObject.DNSHostName != null && objObject.DNSHostName != "undefined ")