var MenuActuel = '';

function mousePosition(e)
{
    var tableau=new Array;
    
    var posx = 0;
    var posy = 0;

    if (!e) var e = window.event;
    if (e.pageX || e.pageY)
    {
        posx = e.pageX;
        posy = e.pageY;
    }
    else if (e.clientX || e.clientY)
    {
        posx = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
        posy = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
    }

    tableau[0]=posx;
    tableau[1]=posy;
    
    return tableau;
}

function affiche_menu(identifiant)
{
    if(MenuActuel!=identifiant)
    {
        document.getElementById('menu_titre').innerHTML   = '';
        document.getElementById('menu_contenu').innerHTML = '';
        
        if (window.XMLHttpRequest)
        {
            xhr = new XMLHttpRequest();
        }
        else if (window.ActiveXObject)
        {
            xhr = new ActiveXObject("Microsoft.XMLHTTP");
        }

        xhr.onreadystatechange = function()
        {
            if (xhr.readyState == 4 && xhr.status  == 200)
            {
                var Reponse = xhr.responseText;
                Reponse = Reponse.split('|||')
                document.getElementById('menu_titre').innerHTML   = '<span class="MenuBlanc">'+Reponse[0]+'</span>';
                document.getElementById('menu_contenu').innerHTML = Reponse[1];
            }
        };
        
        xhr.open('post', 'ajax_menu.php', true);
        xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        xhr.send('identifiant='+identifiant);

        MenuActuel=identifiant;
    }
}