public void highLight(int iNode) {
			Graphics2D g = (Graphics2D) this.getGraphics();
			RenderingHints rh = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
			rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
			g.setRenderingHints(rh);
			g.setPaintMode();
			g.scale(m_fScale, m_fScale);
			drawNode(g, iNode, HIGHLIGHTED);
		}