var fDesc=new Array();
fDesc[0] = "Trend Duration Calculator is a tool that can be used to simulate the possible recording duration of the QualistarPlus models. You need to select the instrument and the parameters which you wish to record, along with the acquisition interval. The possible recording duration, based on the assumption that the memory is empty, and the end date are calculated and displayed automatically.";

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 = '';
	}
}