b.translate(-b.width, 0);
leftScrollButton.setBounds(b);
} else if (tabPlacement == LEFT) {
b.setLocation(c.x - b.width, c.y + c.height - b.height);
rightScrollButton.setBounds(b);
b.translate(0, -b.height);
leftScrollButton.setBounds(b);
} else if (tabPlacement == RIGHT) {
b.setLocation(c.x + c.width, c.y + c.height - b.height);
rightScrollButton.setBounds(b);
b.translate(0, -b.height);