if (document.images) {
  navHome = new Image
  navAbou = new Image
  navCont = new Image
  navEngl = new Image
  navDeut = new Image
  
  navHomeOver = new Image
  navAbouOver = new Image
  navContOver = new Image
  navEnglOver = new Image
  navDeutOver = new Image

  navHome.src = 'imgs/nav_home.gif'
  navAbou.src = 'imgs/nav_abou.gif'
  navCont.src = 'imgs/nav_cont.gif'
  navEngl.src = 'imgs/nav_engl.gif'
  navDeut.src = 'imgs/nav_deut.gif'
  
  navHomeOver.src = 'imgs/nav_home_over.gif'
  navAbouOver.src = 'imgs/nav_abou_over.gif'
  navContOver.src = 'imgs/nav_cont_over.gif'
  navEnglOver.src = 'imgs/nav_engl_over.gif'
  navDeutOver.src = 'imgs/nav_deut_over.gif'

  navHomeDe = new Image
  navAbouDe = new Image
  navContDe = new Image
  
  navHomeOverDe = new Image
  navAbouOverDe = new Image
  navContOverDe = new Image

  navHomeDe.src = 'imgs/nav_home_de.gif'
  navAbouDe.src = 'imgs/nav_abou_de.gif'
  navContDe.src = 'imgs/nav_cont_de.gif'
  
  navHomeOverDe.src = 'imgs/nav_home_over_de.gif'
  navAbouOverDe.src = 'imgs/nav_abou_over_de.gif'
  navContOverDe.src = 'imgs/nav_cont_over_de.gif'

  btmMail = new Image
  btmMailOver = new Image
  btmMail.src = 'imgs/btm_mail.gif'
  btmMailOver.src = 'imgs/btm_mail_over.gif'
}