var xmlhttp

function GetXmlHttpObject(){
  
  if(window.XMLHttpRequest){
    // code for IE7+, Firefox, Chrome, Opera, Safari
    return new XMLHttpRequest();
  }
  
  if(window.ActiveXObject){
    // code for IE6, IE5
    return new ActiveXObject("Microsoft.XMLHTTP");
  }
  
  return null;
}

function initFoto(){
  xmlhttp=GetXmlHttpObject();
  if(xmlhttp == null){
    alert ("Your browser does not support XMLHTTP!");
    return;
  }
  var url="www.barsportlenno.com/script/creaArray.php";
  xmlhttp.open("GET",url,false);
  xmlhttp.send(null);
}