var XMLHttpRequestObject = false;

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function image_over($img) {
  if (document.images) {
	document.images[$img].src = eval($img + "_on.src");
  }
}

function image_out($img) {
  if (document.images) {
	document.images[$img].src = eval($img + "_off.src");
  }
}

function go_square_over($id) {
	if (document.images) {
		document.images[$id].src = eval("go_on.src");
	}
}

function go_square_out($id) {
	if (document.images) {
		document.images[$id].src = eval("go_off.src");
	}
}

function initSondage() {
	if (window.XMLHttpRequest) {
		XMLHttpRequestObject = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}
}

function vote(sondage,choix) {
	if (XMLHttpRequestObject) {
		XMLHttpRequestObject.open('POST','/sondage.php');
		XMLHttpRequestObject.setRequestHeader('Content-type','application/x-www-form-urlencoded');
		XMLHttpRequestObject.onreadystatechange = function() {
			if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
				var sondage = XMLHttpRequestObject.responseText;
				document.getElementById('sondage').innerHTML = sondage;
			}
		}
		XMLHttpRequestObject.send('id='+sondage+'&choix='+choix);
	}
}