<!-- 

image1 = new Image();
image1.src = "images/subnav2_over.png";

image2 = new Image();
image2.src = "images/subnav3_over.png";

image3 = new Image();
image3.src = "images/subnav4_over.png";

image4 = new Image();
image4.src = "images/subnav5_over.png";

-->