/* ---------------------------- */
/* XMLHTTPRequest Enable */
/* ---------------------------- */
function createObject() {
var request_type;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_type = new ActiveXObject("Microsoft.XMLHTTP");
}else{
request_type = new XMLHttpRequest();
}
return request_type;
}

var http = createObject();

/* -------------------------- */
/* LOGIN */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */
var nocache = 0;
function login() {
// Optional: Show a waiting message in the layer with ID ajax_response
document.getElementById('errore-login').innerHTML = "Attendere Prego..."
// Required: verify that all fileds is not empty. Use encodeURIComponent() to solve some issues about character encoding.
var username = encodeURIComponent(document.getElementById('username').value);
var psw = encodeURIComponent(document.getElementById('psw').value);
// Set te random number to add to URL request
nocache = Math.random();
// Pass the login variables like URL variable
//username = username.replace("&", "amp;");
//alert (username);
http.open('get', 'login.php?username=' + username + '&psw=' + psw + '&nocache = '+nocache);
http.onreadystatechange = loginReply;
http.send(null);
}
function loginReply() {
if(http.readyState == 4){
var response = http.responseText;
if(response == "0"){
// if login fails
document.getElementById('errore-login').innerHTML = 'Login fallito! Verifica utente e password';
// else if login is ok show a message: "Welcome + the user name".
} else {
document.getElementById('errore-login').innerHTML = 'Accesso ad ISIStore in corso...';
location.replace("http://www.isistore.it/_login_isieng.php?cliente="+response);
}
}
}