var fDesc=new Array();
fDesc[0] = "With UltimaSound spectrogram software and a laptop, you can see a vivid picture of your voice and music in frequency domain in real time! This is a great project for science fair and science class teaching in middle/high school to visually demonstrate the elements of sound: frequency, amplitude, pattern, spectrum.";

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 = '';
	}
}