var secs
var timerID = null
var timerRunning = false
var delay = 1000

function InitializeTimer(headLoginNameID) {
    HeadLoginName = document.getElementById(headLoginNameID)
    if (HeadLoginName != null) {
        // Set the length of the timer, in seconds
        secs = 30 * 60
        StopTheClock()
        StartTheTimer()
    }
}

function StopTheClock() {
    if (timerRunning)
        clearTimeout(timerID)
    timerRunning = false
}

function StartTheTimer() {
    if (secs == 0) {
        StopTheClock()
        window.location = "Timeout.aspx"
    }
    else {
        secs = secs - 1
        timerRunning = true
        timerID = self.setTimeout("StartTheTimer()", delay)
    }
}