overview_on = new Image();
overview_on.src = "/img/overview_on.gif";
overview_off = new Image();
overview_off.src = "/img/overview.gif";

the_chef_on = new Image();
the_chef_on.src = "/img/the_chef_on.gif";
the_chef_off = new Image();
the_chef_off.src = "/img/the_chef.gif";

wife_of_the_chef_on = new Image();
wife_of_the_chef_on.src = "/img/wife_of_the_chef_on.gif";
wife_of_the_chef_off = new Image();
wife_of_the_chef_off.src = "/img/wife_of_the_chef.gif";

menus_on = new Image();
menus_on.src = "/img/menus_on.gif";
menus_off = new Image();
menus_off.src = "/img/menus.gif";

events_on = new Image();
events_on.src = "/img/events_on.gif";
events_off = new Image();
events_off.src = "/img/events.gif";

dressings_on = new Image();
dressings_on.src = "/img/dressings_on.gif";
dressings_off = new Image();
dressings_off.src = "/img/dressings.gif";

store_on = new Image();
store_on.src = "/img/store_on.gif";
store_off = new Image();
store_off.src = "/img/store.gif";

function rollon(image) {
  if (document.images) {
      document[image].src = eval(image + "_on.src");
  }
}

function rolloff(image) {
  if (document.images) {
      document[image].src = eval(image + "_off.src");
 }
}