var fDesc=new Array();
fDesc[0] = "With this tool you have the ability to instantly calculate the weight of a piece of metal based on its alloy type and form. The dimensions can be quickly and easily entered. Weights for over 400 combinations of the most popular forms and alloys in any dimension can be calculated right from your desktop.";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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		if (document.getElementById('m2'))
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	else
	{
		s.innerHTML = '';
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}