image1 = new Image();
image1.src = "images/nav/n1o.gif";
image2 = new Image();
image2.src = "images/nav/n2o.gif";
image3 = new Image();
image3.src = "images/nav/n3o.gif";
image4 = new Image();
image4.src = "images/nav/n4o.gif";
image5 = new Image();
image5.src = "images/nav/n5o.gif";
image6 = new Image();
image6.src = "images/nav/n6o.gif";
image7 = new Image();
image7.src = "images/nav/n7o.gif";
image8 = new Image();
image8.src = "images/nav/n8o.gif";