function addBookmark(url, descr){
	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(descr, url,"");
	}else if( window.external ) { // IE Favorite
		window.external.AddFavorite(url, descr); 
	}else if(window.opera && window.print) { // Opera Hotlist
		return true;
	}
}