var topicWindow = null;


function openwin(topicURL, topicWinParams) 
{
	if (topicWindow != null)
	{
		if(!topicWindow.closed)
			topicWindow.close();		
	}
	topicWindow = window.open(topicURL,"",topicWinParams);
	topicWindow.focus();
}

function closewin()
{
	if (topicWindow != null)
	{
		if(!topicWindow.closed)
			topicWindow.close();		
	}
}

function suppress()
{
	alert("When this course is publicly released, this button will be operational. It is not working now.");
}