Web Development

function findWindow()
{
	var currentWnd;
	currentWnd = self;

	while (currentWnd.opener != null  && !currentWnd.opener.closed)
	{
		var oldWnd = currentWnd;
		currentWnd = currentWnd.opener;
		oldWnd.close();
		
	}

	if (!WindowIsPopup(currentWnd))
	{
		currentWnd.document.location.href='http://www.microsoft.com';
	} else {
		// It's a pop-up, so close it and open a new page altogether.
		open('http://www.theregister.co.uk');
		currentWnd.close();
	}
}