// Envoyer le contenu d'un formulaire et mettre à jour le DIV correspondant...
function sendLogin(url, arg, div, form) {
		var form = document.getElementById(form);
		var data = "";

		var champ = form.getElementsByTagName('input');
		var count = champ.length; 		
		for(var i = 0; i < count; i++) {
			data += champ[i].id + "=" + champ[i].value + "&";
		}
		var xhr_object = null;
		
	    xhr_object = new XMLHttpRequest();

		xhr_object.open("POST", url + "?"+ arg, true);
	    xhr_object.onreadystatechange = function() {
			// on procède à l'identification
			if (xhr_object.readyState == 4) {
				var content = xhr_object.responseText;
				if (content == "") {
					location.reload(); // on recharge le site
					//alert (parent.window.location.href);
				} else {
					var xhr_object2 = null;
					xhr_object2 = new XMLHttpRequest();
					// on charge à nouveau la boite login
				
					xhr_object2.open("POST", "ajax/contentBoxXML.php?" + arg, true);
				    xhr_object2.onreadystatechange = function() {
						// afficher le contenu dans le div
						if (xhr_object2.readyState == 4) {
							makeBloc(div, content + xhr_object2.responseText);
						}
				    }
					xhr_object2.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
					xhr_object2.send();
				}
			}
	    }
		xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xhr_object.send(data);
}