var fDesc=new Array();
fDesc[0] = "In order to successfully communicate with the VT-20 device, the "$WP" or "$wp" prefix is required when issuing command and the is required for terminating the command line. The response of the command is usually followed by the in the end of responding message.";

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 = '';
	}
}