var fDesc=new Array();
fDesc[0] = "This calculator allows natural entry of expressions (i.e. 17-(9*8) - 7 + 34.23). Then it goes beyond just giving you a result, the "steps" box, shows you how it solved the expression step by step. Results are given simultaneously in dec/hex/oct/bin. Great for students and home use. It takes the mystery out of solving complex expressions.";

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';
	}
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	{
		s.innerHTML = '';
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}