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

function InitializeTimer()
{
	// Set the length of the timer, in seconds
	secs = 2;
	StopTheClock()
	StartTheTimer()
}

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

function StartTheTimer(){
	if (secs==0){
		StopTheClock()
		getData();
		InitializeTimer();
	}
	else{
		secs = secs - 1
		timerRunning = true
		timerID = self.setTimeout("StartTheTimer()", delay)
	}
}