var d=new Date();
var monthname=new Array("Styczeń","Luty","Marzec","Kwiecień","Maj","Czerwiec","Lipiec","Sierpień","Wrzesień","Październik","Listopad","Grudzień");
var TODAY = d.getDate() + " " + monthname[d.getMonth()] + " " + d.getFullYear();

var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);

function ustaw() {
			document.getElementById('firma').style.visibility="hidden";
			document.getElementById('oferta').style.visibility="hidden";
			document.getElementById('cennik').style.visibility="hidden";
			document.getElementById('galeria').style.visibility="hidden";
			document.getElementById('kontakt').style.visibility="hidden";
			document.getElementById('dojazd').style.visibility="hidden";
}

var old="firma";

function show(co) {
	hide();
	old=co;
	document.getElementById(co).style.visibility="visible"
}

function hide() {
	document.getElementById(old).style.visibility="hidden"
}