var sessionTimeoutOffset, sessionTimeoutWarning, sessionTimeoutUrl;

function EndSession()
{
     alert("In order to protect your security, your session will timeout in " + sessionTimeoutOffset + " minutes. Press OK to continue your session.");
     window.frames["SessionFrame"].AnchorClick();
}

function StartTimer()
{
    window.setTimeout("EndSession();", sessionTimeoutWarning);
}

function RedirectLogout()
{
    document.location = sessionTimeoutUrl;
}