var fDesc=new Array();
fDesc[0] = "The Sonar Power Manager uses a new user presence detection technique to shut off the computer display when you are not present. The Sonar Power Manger uses ultrasound (sound above 20kHz in frequency and which humans cannot hear) on your computer's regular sound system.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
		if (document.getElementById('m1'))
			document.getElementById('m1').style.display='none';
		if (document.getElementById('m2'))
			document.getElementById('m2').style.display='none';
		if (document.getElementById('more_txt'))
			document.getElementById('more_txt').style.display='inline';
	}
	else
	{
		s.innerHTML = '';
	}
}