// Preload nav images.
image1 = new Image();
image1.src = "images/menu_news_on.png";
image2 = new Image();
image2.src = "images/menu_shows_on.png";
image3 = new Image();
image3.src = "images/menu_audiovideo_on.png";
image4 = new Image();
image4.src = "images/menu_photos_on.png";
image5 = new Image();
image5.src = "images/menu_bio_on.png";
image6 = new Image();
image6.src = "images/menu_contact_on.png";