browserName = navigator.appName;
        browserVer = parseInt(navigator.appVersion);
                browserOK = 0;
        if ((browserName == "Netscape" && browserVer >= 3) ||
                    (browserName == "Microsoft Internet Explorer" && browserVer >"3")) browserOK = 1;

        if (browserOK) {
	
        sklep = new Image();
                sklep.src = "sklep.jpg";
                sklep_over = new Image();
                sklep_over.src = "sklep1.jpg";
	
               
        osiag = new Image();
                osiag.src = "osiag.jpg";
                osiag_over = new Image();
                osiag_over.src = "osiag1.jpg";

        hist = new Image();
                hist.src = "hist.jpg";
                hist_over = new Image();
                hist_over.src = "hist1.jpg";
				
		kontakt = new Image();
                kontakt.src = "kontakt.jpg";
                kontakt_over = new Image();
                kontakt_over.src = "kontakt1.jpg";
				
		szkol = new Image();
                szkol.src = "szkol.jpg";
                szkol_over = new Image();
                szkol_over.src = "szkol1.jpg";
				
		lokal = new Image();
                lokal.src = "lokal.jpg";
                lokal_over = new Image();
                lokal_over.src = "lokal1.jpg";
				
		strona = new Image();
                strona.src = "strona.jpg";
                strona_over = new Image();
                strona_over.src = "strona1.jpg";

aktualnosci = new Image();
                aktualnosci.src = "dol2.jpg";
               aktualnosci_over = new Image();
               aktualnosci_over.src = "dol1.jpg";

                 }

        function img_over(imgName) {
       if (browserOK) {
                url_imgOver = eval(imgName + "_over.src");
                document [imgName].src = url_imgOver;
          }
                 }
        function img_out(imgName) {
          if (browserOK) {
                url_imgOut = eval(imgName + ".src");
                document [imgName].src = url_imgOut;
        }
      }