var fDesc=new Array();
fDesc[0] = "KeyCalc is a scientific calculator, supporting:<br /> <br /> - the usual trigonometric, etc., functions<br /> - your choice of algebraic or Reverse Polish notation<br /> - your choice of real or complex arithmetic<br /> - binary, octal, decimal, or hexadecimal<br /> - ten memory cells<br /> - the first few elements of the calculation stack are visible.";

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 = '';
	}
}