if (document.images) {

	homeOff = new Image
	homeOn = new Image
	shopOff = new Image
	shopOn = new Image
	infoOff = new Image
	infoOn = new Image
	contactOff = new Image
	contactOn = new Image

	homeOff.src = "images/home.gif"
	homeOn.src = "images/home-over.gif"
	shopOff.src = "images/shop.gif"
	shopOn.src = "images/shop-over.gif"
	infoOff.src = "images/info.gif"
	infoOn.src = "images/info-over.gif"
	contactOff.src = "images/contact.gif"
	contactOn.src = "images/contact-over.gif"
	}

else {
	homeOff = ""
	homeOn = ""
	shopOff = ""
	shopOn = ""
	infoOff = ""
	infoOn = ""
	contactOff = ""
	contactOn = ""

	document.buttonHome = ""
	document.buttonShop = ""
	document.buttonInfo = ""
	document.buttonContact = ""
	}