function envoi_message_wall() {
	
	data = "name=" + $('name').value + "&message=" + $('message').value;
	new Ajax.Request('./modules/wall/envoi_message_wall.php',
	{
		method:'post',
		parameters:data,
		onSuccess: function(transport){
			var response = transport.responseText;
			$('wall').innerHTML = response;
		},
		onFailure: function(){ alert('Something went wrong...'); }
	});
	$('name').value = "Nom";
	$('message').value = "Message";
}