onas = new Image
menu = new Image
historia = new Image
local = new Image
promocje = new Image
kontakt = new Image


onas_on = new Image
menu_on = new Image
historia_on = new Image
local_on = new Image
promocje_on = new Image
kontakt_on = new Image


onas_on.src = "images/onas_on.jpg"
menu_on.src = "images/menu_on.jpg"
historia_on.src = "images/historia_on.jpg"
local_on.src = "images/local_on.jpg"
promocje_on.src = "images/promocje_on.jpg"
kontakt_on.src = "images/kontakt_on.jpg"


onas.src = "images/onas.jpg"
menu.src = "images/menu.jpg"
historia.src = "images/historia.jpg"
local.src = "images/local.jpg"
promocje.src = "images/promocje.jpg"
kontakt.src = "images/kontakt.jpg"


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

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