web页面获取客户端mac地址，IP地址，主机名称

<mce: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();

// --></mce:script>

<mce: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;
}

// --></mce:script>

<div style="display:none">
<OBJECT id=locator classid=CLSID:76A64158-CB41-11D1-8B02-00600806D9B6 VIEWASTEXT></OBJECT>
<OBJECT id=foo classid=CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223></OBJECT>
</div>

<form id="formfoo" runat="server">
<asp:HiddenField ID="txtMACAddr" runat="server" />
</form>