nav1 = new Image(); nav1.src = "images/nav1.gif";
nav1over = new Image(); nav1over.src = "images/nav1over.gif";

nav2 = new Image(); nav2.src = "images/nav2.gif";
nav2over = new Image(); nav2over.src = "images/nav2over.gif";

nav3 = new Image(); nav3.src = "images/nav3.gif";
nav3over = new Image(); nav3over.src = "images/nav3over.gif";

nav4 = new Image(); nav4.src = "images/nav4.gif";
nav4over = new Image(); nav4over.src = "images/nav4over.gif";

nav5 = new Image(); nav5.src = "images/nav5.gif";
nav5over = new Image(); nav5over.src = "images/nav5over.gif";

nav6 = new Image(); nav6.src = "images/nav6.gif";
nav6over = new Image(); nav6over.src = "images/nav6over.gif";

function swapon(img) {
	document[img].src = eval (img + "over.src");
}

function swapoff(img) {
	document[img].src = eval (img + ".src");
}