var http; // Notre objet XMLHttpRequest

function createRequestObject()
{
    var http;
    if (window.XMLHttpRequest)
    { // Mozilla, Safari, IE7 ...
        http = new XMLHttpRequest();
    }
    else if (window.ActiveXObject)
    { // Internet Explorer 6
        http = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return http;
}

function addClic(url, ip)
{
    http = createRequestObject();
    http.open('GET', './click.php?url='+url+'&ip='+ip, true);
   // http.onreadystatechange = handleAJAXReturn;
    http.send(null);
}

function handleAJAXReturn()
{
    if (http.readyState == 4)
    {
        if (http.status == 200)
        {
            alert(http.responseText);
            document.getElementById('resultat').innerHTML = http.responseText;
        }
        else
        {
            alert('Pas glop pas glop');
        }
    }
}