function SendSample4b()
{
var u = new Object();
u.Id = 5271;
u.Username = "Guest1";
u.Password = "GuestP@ss!";
u.ExpirationDate = new Date();
u.ExpirationDate.setMonth(u.ExpirationDate.getMonth() + 1);
var pl = new SOAPClientParameters();
pl.add("user", u);
SOAPClient.invoke(url, "SendSample4", pl, true, SendSamples_callBack);
}