*/
		public String getToolTipText(MouseEvent me) {
			int x, y;
			Rectangle r;
			x = y  = 0;

			r = new Rectangle(0, 0, (int) (m_nPaddedNodeWidth * m_fScale), (int) (m_nNodeHeight * m_fScale));
			x += me.getX();
			y += me.getY();
			
			for (int iNode = 0; iNode < m_BayesNet.getNrOfNodes(); iNode++) {
				r.x = (int) (m_BayesNet.getPositionX(iNode) * m_fScale);
				r.y = (int) (m_BayesNet.getPositionY(iNode) * m_fScale);
				if (r.contains(x, y)) {
					return m_BayesNet.getNodeName(iNode) + " (right click to manipulate this node)";
				}
			}
			return null;
		}