function validaPwd()
{
 var mail = document.getElementById("email").value;
 var pwd = document.getElementById("clave").value;

 var xmlHttp = new XHConn();
 var fnWhenDone = function (oXML)
 {
  document.getElementById("login").innerHTML = oXML.responseText;
 }
 xmlHttp.connect("/html/servicios/servicios.php", "POST", "email="+mail+"&pass="+pwd, fnWhenDone);
}

function cerrarSesion()
{
 var xmlHttp = new XHConn();
 var fnWhenDone = function (oXML)
 {
  document.getElementById("login").innerHTML = oXML.responseText;
 }
 xmlHttp.connect("/html/servicios/servicios.php", "POST", "act=salir", fnWhenDone);
}