function addBookMark(url, title)
{
    if (document.all)
    {
	       window.external.AddFavorite(url, title);
	}
	else if (!!document.getBoxObjectFor || 'mozInnerScreenX' in window)
	{
	    window.sidebar.addPanel(title, url, "");
	}
	else
	{
		alert('请按 "Ctrl+D" 组合键加入收藏.');
	}
}