if (document.images) {

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

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

 arcoatingon = new Image();
 arcoatingon.src = "/images/menu_arcoating_on.gif";

 arcoatingoff = new Image();
 arcoatingoff.src = "/images/menu_arcoating_off.gif";

 mirrorcoatingon = new Image();
 mirrorcoatingon.src = "/images/menu_mirrorcoating_on.gif";

 mirrorcoatingoff = new Image();
 mirrorcoatingoff.src = "/images/menu_mirrorcoating_off.gif";

 lensavailabilityon = new Image();
 lensavailabilityon.src = "/images/menu_lensavailability_on.gif";

 lensavailabilityoff = new Image();
 lensavailabilityoff.src = "/images/menu_lensavailability_off.gif";

 policyon = new Image();
 policyon.src = "/images/menu_policy_on.gif";

 policyoff = new Image();
 policyoff.src = "/images/menu_policy_off.gif";

 promotionson = new Image();
 promotionson.src = "/images/menu_promotions_on.gif";

 promotionsoff = new Image();
 promotionsoff.src = "/images/menu_promotions_off.gif";

 youreyeson = new Image();
 youreyeson.src = "/images/menu_youreyes_on.gif";

 youreyesoff = new Image();
 youreyesoff.src = "/images/menu_youreyes_off.gif";

 orderingon = new Image();
 orderingon.src = "/images/menu_ordering_on.gif";

 orderingoff = new Image();
 orderingoff.src = "/images/menu_ordering_off.gif";

 supplieson = new Image();
 supplieson.src = "/images/menu_supplies_on.gif";

 suppliesoff = new Image();
 suppliesoff.src = "/images/menu_supplies_off.gif";

 }