function getXMLHttpCarrello()
{
  var xmlHttp

  try
  {
    //Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    //Internet Explorer
    try
    {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch(e)
    {
      try
      {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch(e)
      {
        alert("Il tuo browser non supporta AJAX!")
        return false;
      }
    }
  }
  return xmlHttp;
}




function MakeRequestCarrello()
{
  document.getElementById('carrello_top').innerHTML = "<center><img src='images/loading.gif'></center>";
  
  
  
  
  var xmlHttp = getXMLHttpCarrello();
 
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      HandleResponseCarrello(xmlHttp.responseText);
    }
  }

  xmlHttp.open("POST", "ecommerce/aggiorna_carrello.php", true);
  xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  
  loc = ""
  for (i=0; i<(window.document.add2basket.elements.length);i++){
	  loc += window.document.add2basket.elements[i].name+"="+window.document.add2basket.elements[i].value+"&";
  }
  //document.getElementById('carrello_top').innerHTML = "ciao a tutti";
  xmlHttp.send(loc);
}




function HandleResponseCarrello(response)
{
  document.getElementById('carrello_top').innerHTML = response;
}