function checkform() {
	sendData();
	return false;
}

function sendData () {
	var url = '/processmail.php';
	var params = Form.serialize('contact_form');
	var ajax = new Ajax.Updater('emailSuccess', url, {method: 'post', parameters: params, onLoading: showLoad, onLoaded: hideLoad, onComplete: showResponse} );
}
function showLoad () {
	$('loadBar').style.display = 'block';
}
function hideLoad() {
	$('loadBar').style.display = 'none';
}
function showResponse (req) {
	alert(req.responseText);
	$('loadBar').style.display = 'none';		
	var newData = req.responseText;
	if(newData == 'Votre email a ete envoye !') { 
		document.location.href = "/index.php";
	} else 	{
		$('formReturn').innerHTML = newData;
	}
}