bookoneon = new Image(); bookoneon.src = 'images/hiss_sm2.jpg';

bookoneoff = new Image(); bookoneoff.src = 'images/hiss_sm.jpg';



booktwoon = new Image(); booktwoon.src = 'images/audo_sm2.jpg';

booktwooff = new Image(); booktwooff.src = 'images/audo_sm.jpg';



bookthreeon = new Image(); bookthreeon.src = 'images/russia_sm2.jpg';

bookthreeoff = new Image(); bookthreeoff.src = 'images/russia_sm.jpg';