var fDesc=new Array();
fDesc[0] = "Ventsim LITE is a free 3D mine ventilation simulation software.<br /> <br /> Main features:<br /> - Hardware Acceleration: fast, smooth 3D display of any complexity on most modern computers.<br /> - Animated airflows and fans: airflows move in real time through network.<br /> - Model pressures: simulates mine and fans pressures.<br /> - Metric/Imperial units: can be mixed if required.<br /> - DXF Import: import centrelines and solids from CAD packages for rapid building of Ventsim networks.";

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 = '';
	}
}