void setSelectionBackground () {
		if (!instance.startup) {
			tabFolder1.setSelectionBackground(selectionBackgroundColor);
		}
		// Set the selection background item's image to match the background color of the selection.
		Color color = selectionBackgroundColor;
		if (color == null) color = tabFolder1.getSelectionBackground ();
		TableItem item = colorAndFontTable.getItem(SELECTION_BACKGROUND_COLOR);
		Image oldImage = item.getImage();
		if (oldImage != null) oldImage.dispose();
		item.setImage (colorImage(color));
	}