<!--

if (document.images)
{
  // pre-cache rollover images
  var home_off = new Image(59,28)
  home_off.src = "graphics/buttons/btn_home_off.gif"
  var home_over = new Image(59,28)
  home_over.src = "graphics/buttons/btn_home_over.gif" 

  var services_off = new Image(77,28)
  services_off.src = "graphics/buttons/btn_services_off.gif"
  var services_over = new Image(77,28)
  services_over.src = "graphics/buttons/btn_services_over.gif" 

  var courses_off = new Image(76,28)
  courses_off.src = "graphics/buttons/btn_courses_off.gif"
  var courses_over = new Image(76,28)
  courses_over.src = "graphics/buttons/btn_courses_over.gif" 

  var res_off = new Image(91,28)
  res_off.src = "graphics/buttons/btn_res_off.gif"
  var res_over = new Image(91,28)
  res_over.src = "graphics/buttons/btn_res_over.gif" 

  var about_off = new Image(78,28)
  about_off.src = "graphics/buttons/btn_about_off.gif"
  var about_over = new Image(78,28)
  about_over.src = "graphics/buttons/btn_about_over.gif" 
  
  var join_off = new Image(65,28)
  join_off.src = "graphics/buttons/btn_join_off.gif"
  var join_over = new Image(65,28)
  join_over.src = "graphics/buttons/btn_join_over.gif"
  
  var cont_off = new Image(94,28)
  cont_off.src = "graphics/buttons/btn_cont_off.gif"
  var cont_over = new Image(94,28)
  cont_over.src = "graphics/buttons/btn_cont_over.gif"
       
}

// swap images
function di(id,name)
{
  if (document.images)
    document.images[id].src=eval(name+".src");
}

// -->