if(document.images)
{
  navproducts_f1 = new Image(85, 36)
  navproducts_f1.src = '/images/nav-products.gif'
  navproducts_f2 = new Image(85, 36)
  navproducts_f2.src = '/images/nav-products_f2.gif'
  
  navconsultancy_f1 = new Image(105, 36)
  navconsultancy_f1.src = '/images/nav-consultancy.gif'
  navconsultancy_f2 = new Image(105, 36)
  navconsultancy_f2.src = '/images/nav-consultancy_f2.gif'
  
  navtraining_f1 = new Image(90, 36)
  navtraining_f1.src = '/images/nav-training.gif'
  navtraining_f2 = new Image(90, 36)
  navtraining_f2.src = '/images/nav-training_f2.gif'

  navsupport_f1 = new Image(93, 36)
  navsupport_f1.src = '/images/nav-support.gif'
  navsupport_f2 = new Image(93, 36)
  navsupport_f2.src = '/images/nav-support_f2.gif'
 
  navnews_f1 = new Image(79, 36)
  navnews_f1.src = '/images/nav-news.gif'
  navnews_f2 = new Image(79, 36)
  navnews_f2.src = '/images/nav-news_f2.gif'

  navdistributors_f1 = new Image(101, 36)
  navdistributors_f1.src = '/images/nav-distributors.gif'
  navdistributors_f2 = new Image(101, 36)
  navdistributors_f2.src = '/images/nav-distributors_f2.gif'

  navusergroups_f1 = new Image(81, 36)
  navusergroups_f1.src = '/images/nav-usergroups.gif'
  navusergroups_f2 = new Image(81, 36)
  navusergroups_f2.src = '/images/nav-usergroups_f2.gif'

  navquality_f1 = new Image(94, 36)
  navquality_f1.src = '/images/nav-quality.gif'
  navquality_f2 = new Image(94, 36)
  navquality_f2.src = '/images/nav-quality_f2.gif'
}

function chgImg(id, newImg)
{
  if(document.images)
    document.images[id].src = eval(newImg + '.src')
}