function ip() {
    var getURI = "/cgi-bin/ip.pl";
    var LogInfo = document.getElementById('location');
    var request = createRequest();
    if(!request){
        LogInfo.innerHTML = "Request Object create err.";
        return false;
    }
    else{
        request.open("GET",getURI,true);
        request.onreadystatechange = function()
        {
            if(request.readyState == 4)
            {
                if(request.status == 200)
                {
                    LogInfo.innerHTML = request.responseText;
                    request = false;
                }
            }
        }
        request.send(null);
    }
    return false;
}
function getip(ip) {
    var getURI = "/cgi-bin/ip.pl?"+ip;
    var LogInfo = document.getElementById('location');
    var request = createRequest();
    if(!request){
        LogInfo.innerHTML = "Request Object create err.";
        return false;
    }
    else{
        request.open("GET",getURI,true);
        request.onreadystatechange = function()
        {
            if(request.readyState == 4)
            {
                if(request.status == 200)
                {
                    LogInfo.innerHTML = request.responseText;
                    request = false;
                }
            }
        }
        request.send(null);
    }
    return false;
}