var fDesc=new Array();
fDesc[0] = "This application performs a serial loopback test of the specified serial (COM) port.<br /> <br /> Random data is sent through the specified serial port and the received data is evaluated. The results are given in graphical and text formats.<br /> <br /> The user must simply connect the TX and RX signal lines and then execute the test.";

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 = '';
	}
}