if (!window.XMLHttpRequest && window.ActiveXObject) {
			try {
				// Tester si les ActiveX sont autorises
				new ActiveXObject("Microsoft.XMLHTTP");
				// Definir le constructeur
				window.XMLHttpRequest = function() {
					var request;
					try {
						request = new ActiveXObject("Microsoft.XMLHTTP");
					}
					catch(exc) {
						request = new ActiveXObject('Msxml2.XMLHTTP');
					}
					return request;
				}
			}
			catch (exc) {}
		}