var fDesc=new Array();
fDesc[0] = "The Val-Matic Air Valve Sizing Software enables you to enter information specific to your application and learn which valves you need, where they should be placed, and which sizes are most appropriate. This is an invaluable tool for any engineer in the water industry.";

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

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
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		if (document.getElementById('m2'))
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		if (document.getElementById('more_txt'))
			document.getElementById('more_txt').style.display='inline';
	}
	else
	{
		s.innerHTML = '';
	}
}