var fDesc=new Array();
fDesc[0] = "This program will calculate all of the gear data necessary (and more) for manufacture of fine Pitch External Spur Gears, Internal Spur Gears, Helical Gears, Worm Gears, and Worms. It ranges from 12 Diametral Pitch to 120 Diametral Pitch for inch and 0.25 to 1.5 Module Metric Series";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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}