if (document.images) {
	//declare rollover images
	var index_on = new Image();
	index_on.src = "images/nav/index_on.gif";
	var index_off = new Image();
	index_off.src = "images/nav/index_off.gif";
	
	var about_on = new Image();
	about_on.src = "images/nav/about_on.gif";
	var about_off = new Image();
	about_off.src = "images/nav/about_off.gif";
	
	var craftss_on = new Image();
	craftss_on.src = "images/nav/craftss_on.gif";
	var craftss_off = new Image();
	craftss_off.src = "images/nav/craftss_off.gif";
	
	var contact_on = new Image();
	contact_on.src = "images/nav/contact_on.gif";
	var contact_off = new Image();
	contact_off.src = "images/nav/contact_off.gif";
	
	var links_on = new Image();
	links_on.src = "images/nav/links_on.gif";
	var links_off = new Image();
	links_off.src = "images/nav/links_off.gif";
	
	var order_on = new Image();
	order_on.src = "images/nav/order_on.gif";
	var order_off = new Image();
	order_off.src = "images/nav/order_off.gif";
}

function highlightNav(page) {
	//turn off all nav images
	document.images['index'].src = "images/nav/index_off.gif";
	document.images['about'].src = "images/nav/about_off.gif";
	document.images['craftss'].src = "images/nav/craftss_off.gif";
	document.images['contact'].src = "images/nav/contact_off.gif";
	document.images['links'].src = "images/nav/links_off.gif";
	document.images['order'].src = "images/nav/order_off.gif";
	
	//turn on nav image corresponding to current page
	document.images[page].src = "images/nav/" + page + "_on.gif";
}//highlightNav

function SwapTo(obj) {
	//turn on rollover
	if (document.images)
		obj.src = eval(obj.id + "_on.src");
}//SwapTo

function SwapBack(obj) {
	hrefLocation = new String;
	hrefLocation = (document.location.href);
	hrefLocation = hrefLocation.search(obj.id);
	
	//turn off rollover
	if (document.images) {	
		if (hrefLocation == -1)
			obj.src = eval(obj.id + "_off.src");
	}
}//SwapBack