if (document.images)
{
  var img = new Image;

  img.src = "images/level2/welcome_on.gif";
  img.src = "images/level2/artist_on.gif";
  img.src = "images/level2/songs_on.gif";
  img.src = "images/level2/studio_on.gif";
  img.src = "images/level2/press_on.gif";
  img.src = "images/level2/contact_on.gif";
  img.src = "images/level2/buy_on.gif";
  
}

function changeimg(img, name)
{
  if (document.images)
    document.images[name].src=img;
}