function rozwin() {
			$('#guzik_meni').mouseover(
				function() {
					$('#top_menu').slideDown('slow', function() {});
					
					});
			$('#top_menu').click(
			function() {
					$('#top_menu').slideUp('slow', function() {});
					});
}

function yellow(id) {
	var button = document.getElementById(id);

        button.setAttribute('style', 'background-image: url(\'/images/zobaczhover.gif\');');
}
function grey(id) {
	var button = document.getElementById(id);
        button.setAttribute('style', 'background-image: url(\'/images/zobacz.gif\');');
}

function zmiana4() {
	document.getElementById("4top").src ="/images/kontakthover.gif";
}

function zmiana4back() {
	document.getElementById("4top").src ="/images/kontakt.jpg";
}

function zmiana3() {
	document.getElementById("3top").src ="/images/zamowieniahover.gif";
}

function zmiana3back() {
	document.getElementById("3top").src ="/images/zamowienia.jpg";
}

function zmiana2() {
	document.getElementById("2top").src ="/images/galeriahover.gif";
}

function zmiana2back() {
	document.getElementById("2top").src ="/images/galeria.jpg";
}

function zmiana1() {
	document.getElementById("1top").src ="/images/ofirmiehover.gif";
}

function zmiana1back() {
	document.getElementById("1top").src ="/images/ofirmie.jpg";
}

function menu6() {
	document.getElementById("6menu").src ="/images/wizytowkihover.jpg";
}

function menu6back() {
	document.getElementById("6menu").src ="/images/wizytowki.jpg";
}

function menu5() {
	document.getElementById("5menu").src ="/images/baneryhover.jpg";
}

function menu5back() {
	document.getElementById("5menu").src ="/images/banery.jpg";
}

function menu4() {
	document.getElementById("4menu").src ="/images/wielkihover.jpg";
}

function menu4back() {
	document.getElementById("4menu").src ="/images/wielki.jpg";
}

function menu3() {
	document.getElementById("3menu").src ="/images/koszulkihover.jpg";
}

function menu3back() {
	document.getElementById("3menu").src ="/images/koszulki.jpg";
}

function menu2() {
	document.getElementById("2menu").src ="/images/offsethover.jpg";
}

function menu2back() {
	document.getElementById("2menu").src ="/images/offset.jpg";
}

function menu1() {
	document.getElementById("1menu").src ="/images/introligatorniahover.jpg";
}

function menu1back() {
	document.getElementById("1menu").src ="/images/introligatornia.jpg";
}