//declare image variables
  home         = new Image(125,20);
  schedule     = new Image(125,20);
  book         = new Image(125,20);
  guestbook    = new Image(125,20);
  photos       = new Image(125,20);
  skinny       = new Image(125,20);
  home_on      = new Image(125,20);
  schedule_on  = new Image(125,20);
  book_on      = new Image(125,20);
  guestbook_on = new Image(125,20);
  photos_on    = new Image(125,20);
  skinny_on    = new Image(125,20);
  homeBnr      = new Image(500,50);
  scheduleBnr  = new Image(500,50);
  bookBnr      = new Image(500,50);
  guestbookBnr = new Image(500,50);
  photosBnr    = new Image(500,50);
  skinnyBnr    = new Image(500,50);
  
  //point image variables to files
  home.src         = 'images/buttons/home.gif';
  schedule.src     = 'images/buttons/schedule.gif';
  book.src         = 'images/buttons/book.gif';
  guestbook.src    = 'images/buttons/guestbook.gif';
  photos.src       = 'images/buttons/photos.gif';
  skinny.src       = 'images/buttons/skinny.gif';
  home_on.src      = 'images/buttons/home_on.gif';
  schedule_on.src  = 'images/buttons/schedule_on.gif';
  book_on.src      = 'images/buttons/book_on.gif';
  guestbook_on.src = 'images/buttons/guestbook_on.gif';
  photos_on.src    = 'images/buttons/photos_on.gif';
  skinny_on.src    = 'images/buttons/skinny_on.gif';
  homeBnr.src      = 'images/banners/banner_main.gif';
  scheduleBnr.src  = 'images/banners/ourSchedule.gif';
  bookBnr.src      = 'images/banners/book.gif';
  guestbookBnr.src = 'images/banners/guestbook.gif';
  photosBnr.src    = 'images/banners/photos.gif';
  skinnyBnr.src    = 'images/banners/theskinny.gif';
  
  //variables to save state
  var oBnrSrc;
  
  
  
  function Flip(Button,BtnSrc) {
    Button.src = BtnSrc;
  }
  
  function BannerOn(Banner,BnrSrc) {
    oBnrSrc = Banner.src;
    Banner.src = BnrSrc;
  }
  
  function BannerOff(Banner) {
    Banner.src = oBnrSrc;
  }