var fDesc=new Array();
fDesc[0] = "Probability Explorer (Stohl, 1999-2005) is a research-based software application designed with tools that enable students and teachers to design, simulate, and analyze a variety of probabilistic situations. The software environment can be used for activities from upper elementary grades through high school.";

function tShowHide(id, show)
{
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	{
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	{
		s.innerHTML = '';
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}