function getSondage() {
	var xhr = getXhr();
	xhr.onreadystatechange = function() {
		if(xhr.readyState == 4 && xhr.status == 200) {
			document.getElementById('sondage').innerHTML = xhr.responseText;
		}
	}
	xhr.open('GET', '/sondage.php', true);
	xhr.send(null);
}

function voteSondage(pVote) {
	var xhr = getXhr();
	xhr.onreadystatechange = function() {
		if(xhr.readyState == 4 && xhr.status == 200) {
			document.getElementById('sondage').innerHTML = xhr.responseText;
		}
	}
	xhr.open('POST', '/sondage.php', true);
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xhr.send('sondnum=' + document.forms['sondage'].sondNum.value + '&sondvote=' + pVote);
}