var fDesc=new Array();
fDesc[0] = "Rhinoceros is a powerful program that allows you to create complex models. It provides enhanced commands such as direct sub‑object manipulation and thin‑wall shelling, it provides support for texture mapping, 3D rendering, post-rendering effects and it also allows you to analyze your 3‑D models.";

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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	else
	{
		s.innerHTML = '';
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}