var carrello=null;
var richiesta="";
function GetXmlHttpObject()
{
var carrello=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 carrello=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  carrello=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  carrello=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return carrello;
}

function show_carrello(chiamata,tipo)
{ 
richiesta=chiamata;
carrello=GetXmlHttpObject();
if (carrello==null)
 {
 alert ("Browser does not support HTTP Request");
 return
 } 
var url="dettagliarticolo.php";
url=url+"?chiamata="+richiesta;
url=url+"&tipo="+tipo;
url=url+"&sid="+Math.random();
carrello.onreadystatechange=stateChangedcarrello; 
carrello.open("GET",url,true);
carrello.send(null);
}

function stateChangedcarrello() 
{ 
if (carrello.readyState==4 || carrello.readyState=="complete")
 {
 maximize();
 document.getElementById("content").innerHTML=carrello.responseText;
 } 
 }