var fDesc=new Array();
fDesc[0] = "Tux of Math Command is a math drill game starring Tux, the Linux Penguin. The game lets kids hone their arithmetic skills while they defend penguins from incoming comets. The lessons include addition, subtraction, multiplication, and division of positive and negative numbers. It is intended for kids ~4-10.";

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

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	{
		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 = '';
	}
}