if (document.images) {

 homeon = new Image();
 homeon.src = "/images/menu_home_on.jpg";

 homeoff = new Image();
 homeoff.src = "/images/menu_home_off.jpg";

 shimmin_canyonon = new Image();
 shimmin_canyonon.src = "/images/menu_shimmin_canyon_on.jpg";

 shimmin_canyonoff = new Image();
 shimmin_canyonoff.src = "/images/menu_shimmin_canyon_off.jpg";

 wine_growingon = new Image();
 wine_growingon.src = "/images/menu_wine_growing_on.jpg";

 wine_growingoff = new Image();
 wine_growingoff.src = "/images/menu_wine_growing_off.jpg";

 wineson = new Image();
 wineson.src = "/images/menu_wines_on.jpg";

 winesoff = new Image();
 winesoff.src = "/images/menu_wines_off.jpg";

 historyon = new Image();
 historyon.src = "/images/menu_history_on.jpg";

 historyoff = new Image();
 historyoff.src = "/images/menu_history_off.jpg";

 peopleon = new Image();
 peopleon.src = "/images/menu_people_on.jpg";

 peopleoff = new Image();
 peopleoff.src = "/images/menu_people_off.jpg";

 paso_robleson = new Image();
 paso_robleson.src = "/images/menu_paso_robles_on.jpg";

 paso_roblesoff = new Image();
 paso_roblesoff.src = "/images/menu_paso_robles_off.jpg";

 customerson = new Image();
 customerson.src = "/images/menu_customers_on.jpg";

 customersoff = new Image();
 customersoff.src = "/images/menu_customers_off.jpg";

 }