var imgSrc="images/nav/"
if(document.images){
	nav1 = new Image();
	nav1.src=imgSrc+"home.gif";
	nav2 = new Image();
	nav2.src=imgSrc+"customer-service.gif";
	nav3 = new Image();
	nav3.src=imgSrc+"about.gif";
	nav4 = new Image();
	nav4.src=imgSrc+"contact.gif";
	nav5 = new Image();
	nav5.src=imgSrc+"go.gif";
	nav6 = new Image();
	nav6.src=imgSrc+"view-cart.gif";
	nav1over = new Image();
	nav1over.src=imgSrc+"home-over.gif";
	nav2over = new Image();
	nav2over.src=imgSrc+"customer-service-over.gif";
	nav3over = new Image();
	nav3over.src=imgSrc+"about-over.gif";
	nav4over = new Image();
	nav4over.src=imgSrc+"contact-over.gif";
	nav5over = new Image();
	nav5over.src=imgSrc+"go-over.gif";
	nav6over = new Image();
	nav6over.src=imgSrc+"view-cart-over.gif";
}
function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
		}
	}
}