<!-- Begin
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
nsc3 = (browserName == "Netscape" && browserVer >= 3);
iex4 = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4);
function obrazek(imgName,alt,tytul) {
if (nsc3 || iex4) {
imgOn = ("" + imgName);
document.glowny.src = imgName;
document.glowny.alt = alt;
document.glowny.title = tytul;
   }
}
//  End -->