window.addEvent('domready', function()
{ 
	var myUsersTimer = function() { RefreshUsersList(); }
	myUsersTimer.periodical(5000);
});

function RefreshUsersList()
{
	new Request({
		url : 'online.php',
		method : 'post',
		data : { 'user_online' : 1 },
		onSuccess : function(users_online){
			$('membres').innerHTML = users_online;
	}
	}).send();
}