if (document.images) {
  tvbtnStar = new Image
  tvbtnLeft = new Image
  tvbtnAbout = new Image
  tvbtnStore = new Image
  tvbtnNews = new Image
  tvbtnMaps = new Image
  tvbtnFlags = new Image
  tvbtnAnthem = new Image
  tvbtnHistory = new Image
  tvbtnLegends = new Image
  tvbtnWW2 = new Image
  tvbtnPhotoalbum = new Image
  tvbtnStamps = new Image
  tvbtnPosthist = new Image
  tvbtnLinks = new Image
  tvbtnIndex = new Image
  
  tvbtnStar.src = 'buttons/tvbtn-star.gif'
  tvbtnLeft.src = 'buttons/tvbtn-left.gif'
  tvbtnAbout.src = 'buttons/tvbtn-about.gif'
  tvbtnStore.src = 'buttons/tvbtn-store.gif'
  tvbtnNews.src = 'buttons/tvbtn-news.gif'
  tvbtnMaps.src = 'buttons/tvbtn-maps.gif'
  tvbtnFlags.src = 'buttons/tvbtn-flags.gif'
  tvbtnAnthem.src = 'buttons/tvbtn-anthem.gif'
  tvbtnHistory.src = 'buttons/tvbtn-history.gif'
  tvbtnLegends.src = 'buttons/tvbtn-legends.gif'
  tvbtnWW2.src = 'buttons/tvbtn-ww2.gif'
  tvbtnPhotoalbum.src = 'buttons/tvbtn-photoalbum.gif'
  tvbtnStamps.src = 'buttons/tvbtn-stamps.gif'
  tvbtnPosthist.src = 'buttons/tvbtn-posthist.gif'
  tvbtnLinks.src = 'buttons/tvbtn-links.gif'
  tvbtnIndex.src = 'buttons/tvbtn-index.gif'
 }

  else {
  tvbtnStar = ""
  tvbtnLeft = ""
  tvbtnAbout = ""
  tvbtnStore = ""
  tvbtnNews = ""
  tvbtnMaps = ""
  tvbtnFlags = ""
  tvbtnAnthem = ""
  tvbtnHistory = ""
  tvbtnLegends = ""
  tvbtnWW2 = ""
  tvbtnPhotoalbum = ""
  tvbtnStamps = ""
  tvbtnPosthist = ""
  tvbtnLinks = ""
  tvbtnIndex = ""
  document.tvbtn1 = ""
  document.tvbtn2 = ""
  document.tvbtn3 = ""
  document.tvbtn4 = ""
  document.tvbtn5 = ""
  document.tvbtn6 = ""
  document.tvbtn7 = ""
  document.tvbtn8 = ""
  document.tvbtn9 = ""
  document.tvbtn10 = ""
  document.tvbtn11 = ""
  document.tvbtn12 = ""
  document.tvbtn13 = ""
 }