js添加url至浏览器收藏夹

function addMark(title, url) {

    try {

        if (window.sidebar) { window.sidebar.addPanel(title, url, ""); }

        else if (document.all) { if(navigator.userAgent.toLowerCase().indexOf("msie 8")>-1) external.AddToFavoritesBar(url,title,''); else window.external.AddFavorite(url, title); }

        else if (window.opera && window.print) { return true; }

    } catch (e) { alert("您的浏览器安全设置不允许该项操作,请使用Ctrl+D进行添加."); }

}