var fDesc=new Array();
fDesc[0] = "Digital Audiometer is a program designed for investigating hearing thresholds in a 0 Hz to 22,000 Hz frequency range and -20 dB to 100 dB SPL range. It is an ideal instrument for research and teaching in the fields of acoustics, psychoacoustics, audio, electroacoustics, medicine, audiology and speech pathology.";

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 = '';
	}
}