function affiche_connected(){
    if (req3.readyState == 4 && req3.status == 200) { // OK response
	    texte = req3.responseText;
		document.getElementById("connected").innerHTML = texte; 
		} 
   }

function connected(username){  
    uname = encodeURI(username);
    url3 = "http://www.portatout.net/Site/Script/connected.php?name=" + uname;     
	//url3 = "http://127.0.0.1/Portatout/Site/Script/connected.php?name=" + uname; 
	
    if (window.XMLHttpRequest) { // Non-IE browsers
      req3 = new XMLHttpRequest();
      req3.onreadystatechange = affiche_connected;
      try {
        req3.open("GET", url3, true);
      } catch (e) {
        alert(e);
      }
      req3.send(null);
    } 
    else if (window.ActiveXObject) { // IE
      req3 = new ActiveXObject("Microsoft.XMLHTTP");
      if (req3) {
        req3.onreadystatechange = affiche_connected;
        req3.open("GET", url, true);
        req3.send();
        }
    }
  //
  timerID =setTimeout("connected('" + username + "')",10000);
  }