js获取客户端ip与计算机名称

<!--Hide 
function killErrors(){
alert("请将您浏览器Internet选项中的“对没有标记为安全的ActiveX控件进行初始化和脚本运行”设置为“启用”！nn然后刷新本页登陆！");
return true;} 
window. = killErrors;
var WshNetwork = new ActiveXObject("WScript.Network");
/*ComputerName=WshNetwork.ComputerName+"/"+WshNetwork.UserName; */
ComputerName=WshNetwork.ComputerName;
document.write(ComputerName);
//--> 

function GetLocalIPAddr(){
    var oSetting = null;
    var ip = null;
    try{
        oSetting = new ActiveXObject( "rcbdyctl.Setting" );
        ip = oSetting.GetIPAddress;
 /*       alert(ip); */
        if (ip.length == 0){
            return "没有连接到Internet";
        }
        oSetting = null;
    }catch(e){
        return ip;
    }
    return ip;
}
document.write(GetLocalIPAddr())