[Rise]

SerAl,

var xhr = new XMLHttpRequest();
xhr.open('POST', 'upload.php');
xhr.onload = function() {
    if (this.status == 200) {
        alert('Uploaded!');
    } else {
        alert('Server error!');
    }
};
xhr.onerror = function() {
   alert('Network error!');
};
xhr.send(new FormData(document.forms.upload));