var fDesc=new Array();
fDesc[0] = "Air Cooled Heat Exchanger Design is a program designed to demonstrate the thermal design and sizing calculations of Air cooled heat exchangers. It can calculate the required number of Bays, Fans, Tubes, Tube rows and Tube bundles, the Outlet Air Temperature using iteration or incrementing techniques.";

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 = '';
	}
}