// horizontal nav over images
  over_home = new Image;
  over_home.src = "/images/nav/home_on.gif";
  over_aboutus = new Image;
  over_aboutus.src = "/images/nav/aboutus_on.gif";
  over_contactus = new Image;
  over_contactus.src = "/images/nav/contactus_on.gif";
  over_shoppinglist = new Image;
  over_shoppinglist.src = "/images/nav/shoppinglist_on.gif";
  over_news = new Image;
  over_news.src = "/images/nav/news_on.gif";
  over_catalogue = new Image;
  over_catalogue.src = "/images/nav/catalogue_on.gif";
  over_howtoorder = new Image;
  over_howtoorder.src = "/images/nav/howtoorder_on.gif";
  over_information = new Image;
  over_information.src = "/images/nav/information_on.gif";

  
// horizontal nav off images
  off_home = new Image;
  off_home.src = "/images/nav/home_off.gif";
  off_aboutus = new Image;
  off_aboutus.src = "/images/nav/aboutus_off.gif";
  off_contactus = new Image;
  off_contactus.src = "/images/nav/contactus_off.gif";
  off_shoppinglist = new Image;
  off_shoppinglist.src = "/images/nav/shoppinglist_off.gif";
  off_news = new Image;
  off_news.src = "/images/nav/news_off.gif";
  off_catalogue = new Image;
  off_catalogue.src = "/images/nav/catalogue_off.gif";
  off_howtoorder = new Image;
  off_howtoorder.src = "/images/nav/howtoorder_off.gif"; 
  off_information = new Image;
  off_information.src = "/images/nav/information_off.gif"; 
  

// primary nav on images
  on_home = new Image;
  on_home.src = "/images/nav/home_on.gif";
  on_aboutus = new Image;
  on_aboutus.src = "/images/nav/aboutus_on.gif";
  on_contactus = new Image;
  on_contactus.src = "/images/nav/contactus_on.gif";
  on_shoppinglist = new Image;
  on_shoppinglist.src = "/images/nav/shoppinglist_on.gif";
  on_news = new Image;
  on_news.src = "/images/nav/news_on.gif";
  on_catalogue = new Image;
  on_catalogue.src = "/images/nav/catalogue_on.gif";
  on_howtoorder = new Image;
  on_howtoorder.src = "/images/nav/howtoorder_on.gif";
  on_information = new Image;
  on_information.src = "/images/nav/information_on.gif";
 

  

// function for the rollovers
  function ImgFunc(imgDocID, imgObjName) {
      document.images[imgDocID].src = eval(imgObjName + ".src")
}