<!-- hide script from old browsers

	browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
	if (browserName == "Netscape" && browserVer >= 3) version = "n3"; 
	else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "n3";
	else version = "n2";
	if (version == "n3")

	{	

		a = new Image();
		a.src = "strona/menu/banery.jpg";
		a_on = new Image();
		a_on.src = "strona/menu/banery2.jpg";

		b = new Image();
		b.src = "strona/menu/reklamy.jpg";
		b_on = new Image();
		b_on.src = "strona/menu/reklamy2.jpg";

		c = new Image();
		c.src = "strona/menu/poligrafia.jpg";
		c_on = new Image();
		c_on.src = "strona/menu/poligrafia2.jpg";

		d = new Image();
		d.src = "strona/menu/systemy.jpg";
		d_on = new Image();
		d_on.src = "strona/menu/systemy2.jpg";

		e = new Image();
		e.src = "strona/menu/wielko.jpg";
		e_on = new Image();
		e_on.src = "strona/menu/wielko2.jpg";

		f = new Image();
		f.src = "strona/menu/przygotowanie.jpg";
		f_on = new Image();
		f_on.src = "strona/menu/przygotowanie2.jpg";

		g = new Image();
		g.src = "strona/menu/informacje.jpg";
		g_on = new Image();
		g_on.src = "strona/menu/informacje2.jpg";

		h = new Image();
		h.src = "strona/menu/ftp.jpg";
		h_on = new Image();
		h_on.src = "strona/menu/ftp2.jpg";

		i = new Image();
		i.src = "strona/menu/klienci.jpg";
		i_on = new Image();
		i_on.src = "strona/menu/klienci2.jpg";

		j = new Image();
		j.src = "strona/menu/firma.jpg";
		j_on = new Image();
		j_on.src = "strona/menu/firma2.jpg";

		k = new Image();
		k.src = "strona/menu/kontakt.jpg";
		k_on = new Image();
		k_on.src = "strona/menu/kontakt2.jpg";

		l = new Image();
		l.src = "strona/menu/praca.jpg";
		l_on = new Image();
		l_on.src = "strona/menu/praca2.jpg";

		m = new Image();
		m.src = "strona/menu/ekspozycje.jpg";
		m_on = new Image();
		m_on.src = "strona/menu/ekspozycje2.jpg";

		n = new Image();
		n.src = "strona/menu/aktualnosci.jpg";
		n_on = new Image();
		n_on.src = "strona/menu/aktualnosci2.jpg";

}
		
		
		function img_on(imgName) {
		if (version == "n3") {
		imgOn = eval(imgName + "_on.src");
		document [imgName].src = imgOn;
		} }
		function img_out(imgName) {
		if (version == "n3") {
		imgOut = eval(imgName + ".src");
		document [imgName].src = imgOut;
		} }

// end hiding script from old browsers -->