var fDesc=new Array();
fDesc[0] = "Autograph is a dynamic PC program operating in 3 modes:<br /> -1D - Statistics &amp; Probability<br /> -2D - Graphing, coordinates, transformations and bivariate data<br /> -3D - Graphing, coordinates and transformations.<br /> <br /> Autograph is designed to help teachers and pupils visualise mathematics at secondary/college level, using dynamically linked &#039;objects&#039;";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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		if (document.getElementById('more_txt'))
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	{
		s.innerHTML = '';
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}