var fDesc=new Array();
fDesc[0] = "This program can collect data from HD450 light meter. It can read the data directly from the meter, when it is connected to your PC; it can also download stored data from the meter’s memory. The data may be displayed graphically or as text. The maximum number of Real Time data points is 10,000; on-board datalogging memory can record 16,000 data points.";

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 = '';
	}
}