function fav() {
    var newT = document.createTextNode('Add to Favorites');
    var s = document.getElementById('fav');
    if (window.sidebar) {
        s.appendChild(newT);
        s.style.cursor = 'pointer';
        s.onclick = function() { window.sidebar.addPanel(document.title,self.location,'') };
    } else if (window.external ) {
        s.appendChild(newT);
        s.style.color = '#00f';
        s.style.cursor = 'pointer';
        s.onclick = function() { window.external.AddFavorite(self.location,document.title) };
    } else if (window.opera) {
        s.appendChild(newT);
        s.style.color = '#00f';
        s.style.cursor = 'pointer';
        s.onclick = function() {
            var e = document.createElement ('a');
            e.setAttribute('href',self.location);
            e.setAttribute('title',document.title);
            e.setAttribute('rel','sidebar');
            e.click ();
        }
    }
}

fav();