function addF(u,n) {
  if ((typeof window.sidebar == "object") && (typeof window.sidebar.addPanel == "function")) { window.sidebar.addPanel (n, u, ""); }
  else if (typeof window.external == "object") { window.external.AddFavorite(u, n); }
  else if (window.opera && document.createElement)
  {
    var a = document.createElement('A');
    if (!a) return false; //IF Opera 6
    a.setAttribute('rel','sidebar');
    a.setAttribute('href',u);
    a.setAttribute('title',n);
    a.click();
  }
  else  return false; 
  
  return true;
}