if(document.images) {
	pics = new Array(); 
	pics[1] = new Image();
	pics[1].src = "images/navigation/costumes.gif"; 
	pics[2] = new Image();
	pics[2].src = "images/navigation/costumes_on.gif";
	pics[3] = new Image();
	pics[3].src = "images/navigation/retailers.gif";
	pics[4] = new Image();
	pics[4].src = "images/navigation/retailers_on.gif";
	pics[5] = new Image();
	pics[5].src = "images/navigation/about.gif";
	pics[6] = new Image();
	pics[6].src = "images/navigation/about_on.gif";
	pics[7] = new Image();
	pics[7].src = "images/navigation/contact.gif";
	pics[8] = new Image();
	pics[8].src = "images/navigation/contact_on.gif";
}
function change(from, to) {
	if(document.images) {
		document.images[from].src = pics[to].src;
	}
}