var fDesc=new Array();
fDesc[0] = "Visual and Auditory Memory Span was designed to test and exercise memory abilities. A list of between 1 and 9 items is presented and the user must recall the entire list in the correct order. Stimuli can be either letters or numbers and can be presented either visually or auditorily. Other features include automatic recording of performance and the ability to control the time visually presented stimuli are displayed.";

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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		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 = '';
	}
}