function swapover(n) {

	if (document.images) {
		document.images['nav' + n].src = eval("navon" + n + ".src");
		}
	}

function swapout(n) {

	if (document.images) {
		document.images['nav' + n].src = eval("nav" + n + ".src");
		}
	}


if (document.images) {

	nav1 = new Image(124,21);
	nav1.src = "/pics/nav/sub/overview.gif";
	navon1 = new Image(124,21);
	navon1.src = "/pics/nav/sub/overview-on.gif";
	
	nav2 = new Image(124,21);
	nav2.src = "/pics/nav/sub/features.gif";
	navon2 = new Image(124,21);
	navon2.src = "/pics/nav/sub/features-on.gif";
	
	nav3 = new Image(124,21);
	nav3.src = "/pics/nav/sub/floorplans.gif";
	navon3 = new Image(124,21);
	navon3.src = "/pics/nav/sub/floorplans-on.gif";
	
	nav4 = new Image(124,21);
	nav4.src = "/pics/nav/sub/models.gif";
	navon4 = new Image(124,21);
	navon4.src = "/pics/nav/sub/models-on.gif";
	
	nav5 = new Image(124,21);
	nav5.src = "/pics/nav/sub/gallery.gif";
	navon5 = new Image(124,21);
	navon5.src = "/pics/nav/sub/gallery-on.gif";
	
	nav6 = new Image(124,21);
	nav6.src = "/pics/nav/sub/plats.gif";
	navon6 = new Image(124,21);
	navon6.src = "/pics/nav/sub/plats-on.gif";
}