var fDesc=new Array();
fDesc[0] = "First of all... What is calc ?? calc is a very simple interpreter for the math parsing library (libmath ) The main idea was to design a simple but powerfull way to do the physics works in less time. If you are looking for something with integrals, symbolic math, 3D plotting, etc.";

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 = '';
	}
}