if (document.images) {

shop = new Image(33,108);
visit = new Image(59,108);
classes = new Image(53,108);
recipes = new Image(49,108);
herbarium = new Image(64,108);
about = new Image(70,108);
homepg = new Image(52,108);

shop.src = "images/sub_sm_02.gif";
visit.src = "images/sub_03.gif";
classes.src = "images/sub_04.gif";
recipes.src = "images/sub_05.gif";
herbarium.src = "images/sub_06.gif";
about.src = "images/sub_07.gif";
homepg.src = "images/sub_08.gif";

shop_o = new Image(33,108);
visit_o = new Image(59,108);
classes_o = new Image(53,108);
recipes_o = new Image(49,108);
herbarium_o = new Image(64,108);
about_o = new Image(70,108);
homepg_o = new Image(52,108);

shop_o.src = "images/sub_sm_o_02.gif";
visit_o.src = "images/sub_o_03.gif";
classes_o.src = "images/sub_o_04.gif";
recipes_o.src = "images/sub_o_05.gif";
herbarium_o.src = "images/sub_o_06.gif";
about_o.src = "images/sub_o_07.gif";
homepg_o.src = "images/sub_o_08.gif";
}