function addToFavorite()
{
    var title, url;
    title = document.title;
    url = location.href;
   
    if (window.sidebar) { // Mozilla Firefox Bookmark
        window.sidebar.addPanel(title, url,"");
    } else if( window.external ) { // IE Favorite
        window.external.AddFavorite( url, title); }
    else if(window.opera && window.print) { // Opera Hotlist
        return true; }
}