$.preloadImages(
    '/images/button_gray_12_bg.gif',
    '/images/button_gray_12_bg_hov.gif',
    '/images/button_gray_12_left.gif',
    '/images/button_gray_12_left_hov.gif',
    '/images/button_gray_12_right.gif',
    '/images/button_gray_12_right_hov.gif',
    '/images/button_green_12_b_bg.gif',
    '/images/button_green_12_b_bg_cur.gif',
    '/images/button_green_12_b_left_cur.gif',
    '/images/button_green_12_b_right.gif',
    '/images/button_green_12_b_right_cur.gif',
    '/images/button_green_12_bg.gif',
    '/images/button_green_12_bg_cur.gif',
    '/images/button_green_12_left.gif',
    '/images/button_green_12_left_cur.gif',
    '/images/button_green_12_right.gif',
    '/images/button_green_12_right_cur.gif',
    '/images/button_red_21_left.gif',
    '/images/button_red_21_right.gif',
    '/images/button_reg_bg.gif',
    '/images/button_reg_bg_hov.gif',
    '/images/button_reg_hov.gif',
    '/images/button_reg_left.gif',
    '/images/button_reg_left_hov.gif',
    '/images/button_reg_right.gif',
    '/images/button_reg_right_hov.gif'
);