version = navigator.appVersion.toLowerCase();
agent = navigator.userAgent.toLowerCase();
ie = (version.indexOf('msie')>-1);
win = (version.indexOf('windows')>-1);
opera = (agent.indexOf('opera')>-1);
ie50 = (version.indexOf('msie 5.0')>-1);

function prn() {
document.write(' \074span\076\&bull\;\074\/span\076 \074a href=\"javascript:goprn();\"\076Vytisknout stránku\074/a\076');
}
function goprn() {
window.print();
}