var fDesc=new Array();
fDesc[0] = "Riff Workspace: a free application used to download, categorize, organize and view the interactive lessons. See the installation directions below.<br /> After it is installed, start the Riff Workspace application by double-clicking the icon. You can then download lessons for an order placed using the button.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

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