function AfterLogin(showResponse)
{	
	if (showResponse.responseText == 'ok')
	{
		document.location.href="../client/index.php";
	}else
	{
		alert("Usuario no válido");	
	}	
}

function  login(user, pass)
{
	var param= 'user=' + user + '& pass=' + pass;
	var url = '../script/login.php';
	var ajaxRequest = new Ajax.Request(
							url,
							{
									method: 'post',
									parameters: param,
									asynchronous: false,
									onComplete: AfterLogin
	
							});
}