if (document.images) {
	img1on = new Image(); 
	img1on.src = "images/club.navon.1.jpg";   
	img2on = new Image();
	img2on.src = "images/club.navon.2.jpg";
	img3on = new Image();
	img3on.src = "images/club.navon.3.jpg";
	img4on = new Image();
	img4on.src = "images/club.navon.4.jpg";
	img5on = new Image();
	img5on.src = "images/club.navon.5.jpg";
	img6on = new Image();
	img6on.src = "images/club.navon.6.jpg";
	img7on = new Image();
	img7on.src = "images/club.navon.7.jpg";
	img8on = new Image();
	img8on.src = "images/club.navon.8.jpg";
	
	img1off = new Image(); 
	img1off.src = "images/club.navoff.1.jpg";   
	img2off = new Image();
	img2off.src = "images/club.navoff.2.jpg";
	img3off = new Image();
	img3off.src = "images/club.navoff.3.jpg";
	img4off = new Image();
	img4off.src = "images/club.navoff.4.jpg";
	img5off = new Image();
	img5off.src = "images/club.navoff.5.jpg";
	img6off = new Image();
	img6off.src = "images/club.navoff.6.jpg";
	img7off = new Image();
	img7off.src = "images/club.navoff.7.jpg";
	img8off = new Image();
	img8off.src = "images/club.navoff.8.jpg";
}

function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "on.src");
	}
}

function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "off.src");
	}
}