if(window.XMLHttpRequest) // Firefox xhr_object = new XMLHttpRequest(); else if(window.ActiveXObject) // Internet Explorer xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); else { // XMLHttpRequest non supporté par le navigateur alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); return; } fic = "ta_page.jsp" xhr_object.open("POST", fic, true); xhr_object.onreadystatechange = function() { if (xhr_object.readyState == 4) { v = xhr_object.responseText if (v.length > 0) { alert(v) } } } xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); var data = "nom="+n+"&prenom="+p // variables passées à jsp xhr_object.send(data);