var fDesc=new Array();
fDesc[0] = "Virtual Radar is an open-source application that can plot aircraft on Google Maps. The program can be installed on a local web server; you can access its features using a web browser. Virtual Radar also has the ability to show the location of a simulated aircraft being flown in Microsoft Flight Simulator X. To track real aircafts, you need a radio that is capable of receiving Mode-S transmissions.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
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			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 = '';
	}
}