function mclShowDemo()
{
	var newWidth;
	var newHeight;
	var winWidth = screen.availWidth;
	var winHeight = screen.availHeight;
	newWidth = 1016;
	newHeight = 680;


	var nMoveToVert = ((winWidth / 2) - (newWidth / 2));
	var nMoveToHoriz = ((winHeight / 2) - (newHeight / 2));
	var winSize = 'width=' + newWidth + ',height=' + newHeight;
	var winSize = winSize + ',scrollbars=no,resizable=no,menubar=no,status=no,toolbar=no,location=no,directories=no';
	var qt = window.open('http://www.madcaplogic.com/live/container.php?passed_user=demo_teacher', 'MCL_CE', winSize);
	qt.moveTo(nMoveToVert,nMoveToHoriz);
}