var fDesc=new Array();
fDesc[0] = "DuctNet is a program designed for measuring ducting. There are options to use the equal friction method, the velocity method and the static regain method. The program allows you to set practical sizes and see the actual airflow distribution. In addition, all of the duct dimensions will be calculated.";

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 = '';
	}
}