current_overID = "";
last_overID = "";
 
function item (img_name,width,height) {
  img_prefix = img_name;
  this.slide_img = new Image (width,height);
  this.slide_img.src = "images/"+img_prefix + ".gif";
}
 
function new_item (img_name,width,height) {
  item [img_name] = new item (img_name,width,height);
}
 
function mouseover (itemID) {
  current_overID = itemID;
  if (current_overID != last_overID) {
    document.navmap.src = item [current_overID].slide_img.src;
  }
}
 
function reset (itemID) {
  document.navmap.src = item[itemID].slide_img.src;
}

new_item ("home",442,33);
new_item ("about",442,33);
new_item ("menu",442,33);
new_item ("wines",442,33);
new_item ("special",442,33);
new_item ("promo",442,33);
new_item ("dir",442,33);