var fDesc=new Array();
fDesc[0] = "PowerCreator VGAPlayer is a plug-in for the Power Creator video capture software. When a browser re-visits the Web site homepage, the browser will be automatically prompted to install the new version VGAPlayer. There exists a control file VGAPlayer.cab in each courseware directory. So when the control needs to upgrade, the easiest way is to regenerate this file under courseware directory. But if there are a lot of coursewares in the site, this way is hard to make it.";

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 = '';
	}
}