var xhr = null; 
function getXhr()
{
     if(window.XMLHttpRequest) xhr = new XMLHttpRequest(); 
else if(window.ActiveXObject)
  { 
  try{
     xhr = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (e) 
     {
     xhr = new ActiveXObject("Microsoft.XMLHTTP");
     }
  }
else 
  {
  alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
  xhr = false; 
  } 
}



function maj_votrepanier()
{
getXhr()
xhr.onreadystatechange = function()
    {
     if(xhr.readyState == 4 && xhr.status == 200)
     {
     document.getElementById('votrepanier').innerHTML=xhr.responseText;
     }
    }
 
 xhr.open("GET","php/votre_panier.php",true);
xhr.send(null);
}


function change(id,qte,type)
{
	
getXhr()
xhr.onreadystatechange = function()
    {
     if(xhr.readyState == 4 && xhr.status == 200)
     {
     document.getElementById('content-col').innerHTML=xhr.responseText;
     }
    }
 
 xhr.open("GET","php/change_qte_panier.php?id_prod="+id+"&qte="+qte+"&"+type,true);
xhr.send(null);

}

function change_qte(id,qte,type)
{
change(id,qte,type);
setTimeout("maj_votrepanier()",1000);

}