homeOff = new Image
productsOff = new Image
contactOff = new Image
pressOff = new Image

homeOver = new Image
productsOver = new Image
contactOver = new Image
pressOver = new Image

homeOff.src = "images/home_off.gif"
productsOff.src = "images/products_off.gif"
contactOff.src = "images/contact_off.gif"
pressOff.src = "images/press_off.gif"

homeOver.src = "images/home_over.gif"
productsOver.src = "images/products_over.gif"
contactOver.src = "images/contact_over.gif"
pressOver.src = "images/press_over.gif"

function imgOver(thisImg) {
	document[thisImg].src = "images/" + thisImg + "_over.gif"
}

function imgOut(thisImg) {
	document[thisImg].src = "images/" + thisImg + "_off.gif"
}