panier d'achat mis a jour

<script type="text/javascript">
var nouvdep=15;

function boucle(){
var xhr_object = null; 
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; 
} 

var div = div;
var file = 'panier.php';

xhr_object.open("GET", file, true); 

xhr_object.onreadystatechange = function() { 
   if(xhr_object.readyState == 4){
document.getElementById('Panier').innerHTML = xhr_object.responseText;
   }
}  
xhr_object.send(null);
}
setTimeout('boucle()',nouvdep);
</script>

<?php
session_start(); // Démarage de la session OBLIGATOIRE
include('admin/conf.php');
/////////////////Connection a la DB//////////////////////////
$connect=mysql_connect($sql_serveur,$sql_user,$sql_pass);
mysql_select_db($sql_db, $connect);

?>
<table width="98%" border="1">
  <tr>
    <td><div align="center">
<?php
////////////affichage panier/////////////
$Panier=split('<br />', $_SESSION['Article_session']);

for ( $i=0, $c=count($Panier); $i<$c; $i++){
$Article=split('-', $Panier[$i]);

$ID_article=substr($Article[0],2,strlen($Article[0]));
$NB_article=substr($Article[1],2,strlen($Article[1]));

$result=mysql_query("SELECT * FROM web_achat_articles WHERE ID='".$ID_article."'");
while($row=mysql_fetch_array($result)){
if($NB_article!=''){echo $row['NomFR'].' x '.$NB_article.'<br />';}
}
}///fin for

?>

var Date = new Date();
xhr_object.open("GET", file +"?milliseconds=" + Date.getTime(), true);