var fDesc=new Array();
fDesc[0] = "* Realistic simulated body surface potential maps.<br /> * A learning section comprising 32 normal and pathologic dynamic vectorcardiograms.<br /> * Multimedia panel for the control of the animation.<br /> * Fifty 12-lead EKG tracings for practice.<br /> * Text summaries on the fundamental principles of electrocardiography and EKG diagnosis.";

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 = '';
	}
}