if (document.images) {

	storyon = new Image();
	menuson = new Image();
	wineliston = new Image();
	presson = new Image();
	eventson = new Image();
	contacton = new Image();

	storyon.src = "images/nav-story-on.gif";
	menuson.src = "images/nav-menus-on.gif";
	wineliston.src = "images/nav-winelist-on.gif";
	presson.src = "images/nav-press-on.gif";
	eventson.src = "images/nav-events-on.gif";
	contacton.src = "images/nav-contact-on.gif";

	storyoff = new Image(); 
	menusoff = new Image();
	winelistoff = new Image();
	pressoff = new Image();
	eventsoff = new Image();
	contactoff = new Image();

	storyoff.src = "images/nav-story-off.gif";
	menusoff.src = "images/nav-menus-off.gif";
	winelistoff.src = "images/nav-winelist-off.gif";
	pressoff.src = "images/nav-press-off.gif";
	eventsoff.src = "images/nav-events-off.gif";
	contactoff.src = "images/nav-contact-off.gif";
	
}

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");
	}
}