nav_faq = new Image();
   nav_faq.src = 'http://www.canada-pharm.com/img/nav/faq2.gif';
   nav_browse = new Image();
   nav_browse.src = 'http://www.canada-pharm.com/img/nav/browse2.gif';
   nav_articles = new Image();
   nav_articles.src = 'http://www.canada-pharm.com/img/nav/articles2.gif';
   nav_books = new Image();
   nav_books.src = 'http://www.canada-pharm.com/img/nav/books2.gif';
   nav_links = new Image();
   nav_links.src = 'http://www.canada-pharm.com/img/nav/links2.gif';
<!-- javascript functions
   function go(name,num) {
      var realname = name.replace(/\//g,"_");
      document.images[realname].src = 'http://www.canada-pharm.com/img/'+name+num+'.gif';
      status = "";
      return true;
   }
// -->