var http; // Notre objet XMLHttpRequest

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

function gestionClic(parameters)
{
    document.getElementById('Resultat').innerHTML = '<em>Chargement...</em>';
    http = createRequestObject();
    http.open('post', './Rqbase.php', true);
    http.onreadystatechange = handleAJAXReturn;
    http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http.setRequestHeader("Content-length", parameters.length);
	http.setRequestHeader("X-Requested-With", "XMLHttpRequest"); 
    http.setRequestHeader("Connection", "close");
    http.send(parameters);
}

function handleAJAXReturn()
{
    if(http.readyState == 4)
    {
        if(http.status == 200)
        {
            document.getElementById('Resultat').innerHTML = http.responseText;
        }
        else
        {
            document.getElementById('Resultat').innerHTML = "<strong>Erreur</strong>";
        }
    }
}