// Load in the AJAX object based on what browser you have
function GetXmlHttpObject() {
 var xmlHttp=null;
 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("Your browser does not support AJAX!");
    return false;
   }
  }
 }
 return xmlHttp;
}


function recupera_ajax(op) {



	 xmlhttp=GetXmlHttpObject();
	 if (xmlhttp==null) {
	  alert ("Your browser does not support AJAX!");
	  return;
	 } 
	 
	 var url="http://www.romelimousines.com/ajax_transfer_calcolo.php?op="+op+"&p="+document.getElementById("partenza").value+"&a="+document.getElementById("arrivo").value+"&o="+document.getElementById("orario").value+"&x="+document.getElementById("passeggeri").value;

	
	 //alert (url);
	 
	 xmlhttp.onreadystatechange=function() {
	  if (xmlhttp.readyState==4 || xmlhttp.readyState=="complete") {
	   if (xmlhttp.responseText != 'false')
	    {
        //arrival.disabled=false;
        eval(xmlhttp.responseText);
        document.getElementById("arrivo").disabled=false; 
      }
     else {

     }
     //alert (xmlhttp.responseText);
	  
    }
	 }

	 
	 xmlhttp.open("GET",url,true);
   setTimeout("xmlhttp.send(null)", 120);	 
}