function createObject() {
var tipo_richiesta;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
tipo_richiesta = new ActiveXObject("Microsoft.XMLHTTP");
}else{
tipo_richiesta = new XMLHttpRequest();
}
return tipo_richiesta;
}

var http = createObject();



function invia_dati(car,arrival,arrivalplace,parture,partureplace,startDay,startMonth,startYear,startHour,startMinute,startDay2,startMonth2,startYear2,startHour2,startMinute2) {

// add image progress
var par = window.parent.document;
var images = par.getElementById('dati');
var new_div = par.createElement('div');
var new_img = par.createElement('img');
new_img.src = 'images/loading.gif';
new_div.appendChild(new_img);
images.appendChild(new_div);
http.open('post', 'add-car-cart.php?action=add&car='+car+'&arrival='+arrival+'&arrivalplace='+arrivalplace+'&parture='+parture+'&partureplace='+partureplace+'&startDay='+startDay+'&startMonth='+startMonth+'&startYear='+startYear+'&startHour='+startHour+'&startMinute='+startMinute+'&startDay2='+startDay2+'&startMonth2='+startMonth2+'&startYear2='+startYear2+'&startHour2='+startHour2+'&startMinute2='+startMinute2+'&cosa=Add to list'+'');
http.onreadystatechange = handleResponse;
http.send(null);
}

function handleResponse() {
if(http.readyState == 4){
var response = http.responseText;
document.getElementById('dati').innerHTML = response;
}
}