private void setBackGround() {
Image tile = getToolkit().getImage(IMAGE_DIR + "/tile.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
int b = BackGroundDrawer.TILING_BOTH;
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.TILING_HORIZONTAL
| BackGroundDrawer.VALIGN_TOP;
tile = getToolkit().getImage(IMAGE_DIR + "/h_line.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.TILING_HORIZONTAL
| BackGroundDrawer.VALIGN_BOTTOM;
tile = getToolkit().getImage(IMAGE_DIR + "/h_line.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.TILING_VERTICAL | BackGroundDrawer.HALIGN_LEFT;
tile = getToolkit().getImage(IMAGE_DIR + "/v_line.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.TILING_VERTICAL
| BackGroundDrawer.HALIGN_RIGHT;
tile = getToolkit().getImage(IMAGE_DIR + "/v_line.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.NO_TILING | BackGroundDrawer.VALIGN_TOP
| BackGroundDrawer.HALIGN_LEFT;
tile = getToolkit().getImage(IMAGE_DIR + "/tl_corner.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.NO_TILING | BackGroundDrawer.VALIGN_BOTTOM
| BackGroundDrawer.HALIGN_LEFT;
tile = getToolkit().getImage(IMAGE_DIR + "/bl_corner.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.NO_TILING | BackGroundDrawer.VALIGN_TOP
| BackGroundDrawer.HALIGN_RIGHT;
tile = getToolkit().getImage(IMAGE_DIR + "/tr_corner.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
b = BackGroundDrawer.NO_TILING | BackGroundDrawer.VALIGN_BOTTOM
| BackGroundDrawer.HALIGN_RIGHT;
tile = getToolkit().getImage(IMAGE_DIR + "/br_corner.gif"); //$NON-NLS-1$
PMUtil.setImage(tile, this);
addBgDrawer(new BackGroundDrawer(tile, b));
}