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(text) {
document.write(' \| \074a href=\"javascript:goprn();\"\076' + text + '\074/a\076');
}
function goprn() {
window.print();
}
function fav(text) {
if ((opera) && (win)) return false;
else if ((ie) && (win)) document.write(' \| \074a href=\"javascript:gofav();\"\076' + text + '\074/a\076');
}
function gofav(url, text) {
window.external.addFavorite('http://www.podnikatelskecentrum.cz','Podnikatelské centrum');
}