function bm(){
    title = document.title;
    url = 'http://' + window.location.host +'/';
    if (window.sidebar) //ff
	window.sidebar.addPanel(title, url, "");
    else if(window.opera && window.print){ // opera
	var elem = document.createElement('a');
	elem.setAttribute('href',url);
	elem.setAttribute('title',title);
	elem.setAttribute('rel','sidebar');
	elem.click();
    }
    else if(document.all) // ie
	window.external.AddFavorite(url, title);
}