// <![CDATA[
function ulubione() {

    //IE
    if ((navigator.userAgent.toLowerCase().indexOf('msie') > 0) && window.external) {
        window.external.AddFavorite('http://site.com/',document.title);
    }
    //FF || OPERA
    else if (window.sidebar) {
        window.sidebar.addPanel(document.title,'http://site.com/',"");
    }
    //INNE
    else {
        alert('Press ctrl+d');
    }

}
// ]]>