var logID = 530240;
var seconds = 0;

function startTimer()
{
	timerInterval = setInterval('Timer()',500);
	slowTimerInterval = setInterval('SlowTimer()',2000);
	return false;
}

function stopTimer()
{
	var win = window.open("timer.aspx?id=" + escape(logID) + "&seconds=" + escape(seconds),"","status=no,toolbar=no,menubar=no,location=no,scrollbars=no,width=1,height=1,left=1,top=1,resizable=no");
	self.focus();	
	return false;
}

function SlowTimer()
{
	if (seconds < 180)
	{
		var imageForLogging = new Image();
		imageForLogging.src = "timer.aspx?id=" + escape(logID) + "&seconds=" + escape(seconds);
	}
}

function Timer()
{
	seconds = seconds + 0.5;
}

window.onload = startTimer;
window.onunload = stopTimer;