if (document.images) {
	var firma = new Image();
	var firma_over = new Image();
	firma.src = "images/layout/menu/pl/firma.jpg"
	firma_over.src = "images/layout/menu/pl/firma_over.jpg"
	
	var kontakt = new Image();
	var kontakt_over = new Image();
	kontakt.src = "images/layout/menu/pl/kontakt.jpg"
	kontakt_over.src = "images/layout/menu/pl/kontakt_over.jpg"
	
	var oferta = new Image();
	var oferta_over = new Image();
	oferta.src = "images/layout/menu/pl/oferta.jpg"
	oferta_over.src = "images/layout/menu/pl/oferta_over.jpg"
	
	var centrum = new Image();
	var centrum_over = new Image();
	centrum.src = "images/layout/menu/pl/centrum.jpg"
	centrum_over.src = "images/layout/menu/pl/centrum_over.jpg"
	
	var galeria = new Image();
	var galeria_over = new Image();
	galeria.src = "images/layout/menu/pl/galeria.jpg"
	galeria_over.src = "images/layout/menu/pl/galeria_over.jpg"
	
	var praca = new Image();
	var praca_over = new Image();
	praca.src = "images/layout/pl/praca.gif"
	praca_over.src = "images/layout/pl/praca_over.gif"
	
	var mapa = new Image();
	var mapa_over = new Image();
	mapa.src = "images/layout/pl/mapa.gif"
	mapa_over.src = "images/layout/pl/mapa_over.gif"
}
	
function MouseOver(imageName){
	if (document.images){
		document.images[imageName].src = eval(imageName + "_over.src");
	}
}
function MouseOut(imageName){
	if (document.images){
   		document.images[imageName].src = eval(imageName + ".src");
	}
}
//============================ efekt rollover - koniec ===========================