var fDesc=new Array();
fDesc[0] = "Extreme ease of use, portability, and cost efficiency make this device the perfect choice for shallow water hydrography. The sensor is extremely compact, interfaces directly to a standard laptop PC and is available with a light- weight and efficient acoustic transducer.";

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'))
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	}
	else
	{
		s.innerHTML = '';
	}
}