var topicWindow = null;


function openwin2(topicURL, topicWinParams) 
	{
	if (topicWindow != null)
	{
		if(!topicWindow.closed)
			topicWindow.close();		
	}
	topicWindow = window.open(topicURL,"",topicWinParams,alwaysRaised);
	topicWindow.focus();
	}