var fDesc=new Array();
fDesc[0] = "SoundArb is a free program that allows you to control a PC sound card like you would a conventional function generator. You can select standard waveforms, load arbitrary waveforms from a text wave table file, control the frequency and amplitude of the waveform, and select from a versatile set of triggering modes. With a stereo sound card, one channel can be used as a "sync" output.";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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