var imgs = new Array("images/birdpic01.jpg", "images/birdpic02.jpg", "images/birdpic03.jpg", "images/birdpic04.jpg", "images/birdpic05.jpg",
"images/birdpic06.jpg", "images/birdpic07.jpg"),  imgs2 = new Array("images/birdspec01.gif");

bird_logo01_over = newImage("images/bird_logo01-over.gif");
bird_logo02_over = newImage("images/bird_logo02-over.gif");