function CreateXmlHttpReq(handler) {
 
    var xmlhttp = null;
    try {
   
       xmlhttp = new XMLHttpRequest();
    } catch(e) {
   
    try {
       xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch(e) {
    
       xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
   	   }
    }
  	xmlhttp.onreadystatechange = handler;
  	return xmlhttp;
}


function ajaxRequest(parametri,requestName,requestFile,handler){
	var r = Math.random();           
       
 	myRequest = CreateXmlHttpReq(handler);
 	 
    myRequest.open("post",requestFile);
          
 	myRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=iso-8859-1");
    
 	var r = Math.random(); 
 	   
 	var stringa ="requestName=";
 	stringa += requestName +"&r=" + r;
    for (var i = 0 ; i < parametri.length ; i++ )
        stringa += "&param" + i + "=" + escape(parametri[i]);
    
   
    myRequest.send(stringa);      	
}

/*
function myHandlerInserisciAzienda() {
 
     if (myRequest.readyState == 4 && myRequest.status == 200){
        if (myRequest.responseText!= '1')
     	    alert(myRequest.responseText);   
        else{
            alert('AZIENDA INSERITA CORRETTAMENTE');
            window.opener.document.getElementById("cliente").value   = document.getElementById("cliente").value;
            window.opener.document.getElementById("telefono").value  = document.getElementById("telefono").value;
            window.opener.document.getElementById("indirizzo").value = document.getElementById("indirizzo").value;
            window.opener.document.getElementById("mail").value      = document.getElementById("mail").value;
            window.opener.document.getElementById("citta").value     = document.getElementById("citta").value;
            window.location = "anagraficaAziende.php?codice=chiudi";
        }       
  
     }	    
              
}	
*/