var fDesc=new Array();
fDesc[0] = "Need to calculate track resistance? The TRC100 PCB Track resistance calculator is a handy free utility which lets you enter track shape and length, along with material type, the TRC100 will give you an answer in Ohms for the trace you describe.<br /> TRC100 is useful if you are working on fine geometries, and need to take care about series loss. <br /> You may also find TRC100 useful in power supply applications.";

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

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
		if (document.getElementById('m1'))
			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 = '';
	}
}