ImgPreload('_ROLLOVER1', 'images/jmenu10.png', 'images/jmenu11.png');
ImgPreload('_ROLLOVER2', 'images/jmenu20.png', 'images/jmenu21.png');
ImgPreload('_ROLLOVER3', 'images/jmenu30.png', 'images/jmenu31.png');
ImgPreload('_ROLLOVER4', 'images/jmenu40.png', 'images/jmenu41.png');
ImgPreload('_ROLLOVER5', 'images/jmenu50.png', 'images/jmenu51.png');
ImgPreload('_ROLLOVER6', 'images/jmenu60.png', 'images/jmenu61.png');