if(document.images){
  var home0 = new Image
  var home1 = new Image
  home0.src = "home.gif"
  home1.src = "home_rollover.gif"

  var list0 = new Image
  var list1 = new Image
  list0.src = "list.gif"
  list1.src = "list_rollover.gif"

  var news0 = new Image
  var news1 = new Image
  news0.src = "news.gif"
  news1.src = "news_rollover.gif"

  var about0 = new Image
  var about1 = new Image
  about0.src = "about.gif"
  about1.src = "about_rollover.gif"

  var links0 = new Image
  var links1 = new Image
  links0.src = "links.gif"
  links1.src = "links_rollover.gif"

  var email0 = new Image
  var email1 = new Image
  email0.src = "email.gif"
  email1.src = "email_rollover.gif"
}