function add2Fav(x){
    if (document.all  && !window.opera) {
         if (typeof window.external == "object") {
            window.external.AddFavorite(document.location, document.title);
            return true;
          }
          else return false;

    }
    else{
        x.href=document.location;
        x.title=document.title;
        x.rel = "sidebar";
        return true;
    }
}