function AddFavorite(linkObj,addUrl,addTitle) {
  if (document.all && !window.opera) {
    window.external.AddFavorite(addUrl,addTitle);
    return false;
  }
  else if (window.opera && window.print) {
    linkObj.title = addTitle;
    return true;
  }
  else if ((typeof window.sidebar == 'object') && (typeof window.sidebar.addPanel == 'function')) {
      window.sidebar.addPanel(addTitle,addUrl,'');
      return false;
  }
}

function SetAsHomepage() {
  if (document.all && !window.opera) {
    this.style.behavior='url(#default#homepage)'; 
    this.setHomePage(document.location.href); 
    return false;
  } 
  else {
    window.alert('Váš prohlížeč nepodporuje automatické nastavení této funkce.');
    return false;
  }
}