icon_home_img_out = new Image();icon_home_img_out.src = "/images/site_elements/navigation/icon-home.png";icon_home_img_over = new Image();icon_home_img_over.src = "/images/site_elements/navigation/icon-home-on.png";
icon_contact_img_out = new Image();icon_contact_img_out.src = "/images/site_elements/navigation/icon-contact.png";icon_contact_img_over = new Image();icon_contact_img_over.src = "/images/site_elements/navigation/icon-contact-on.png";
icon_shopping_cart_img_out = new Image();icon_shopping_cart_img_out.src = "/images/site_elements/navigation/icon-shopping-cart.png";icon_shopping_cart_img_over = new Image();icon_shopping_cart_img_over.src = "/images/site_elements/navigation/icon-shopping-cart-on.png";