var fDesc=new Array();
fDesc[0] = "Robot Virtual Worlds is a simulation environment for students, without robots, to learn programming. It simulates popular real world VEX, LEGO, and TETRIX robots in 3D environments. Curriculum Companion application gives you a set of challenges that you can try out to improve your skills. They are available in PDF formats, accessible through this program.";

function tShowHide(id, show)
{
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	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 = '';
	}
}