var requete = null;

function creerRequete() {
    try {
        requete = new XMLHttpRequest();
    } catch (microsoft) {
        try {
            requete = new ActiveXObject('Msxml2.XMLHTTP');
        }
        catch(autremicrosoft) {
            try {
                requete = new ActiveXObject('Microsoft.XMLHTTP');
            } catch(echec) {
                requete = null;
            }
        }
    }
    if(requete == null) {
        alert('Impossible de créer l\'objet requête,\nVotre navigateur ne semble pas supporter les object XMLHttpRequest.');
    }
}
function pages(catid) {
	creerRequete();
	var url = 'js/page.php?id='+catid;
	requete.open('GET', url, true);
	//document.getElementById('centre').innerHTML = requete.responseText;
	requete.onreadystatechange = function() {
		if(requete.readyState == 4) {
			if(requete.status == 200) {
				document.getElementById('centre').innerHTML = requete.responseText;
				setupZoom();
				//	Lightbox.init();
			}
		}
	};
	
	requete.send(null);
}