function AddFavorite(sURL, sTitle) {
    try {
        window.external.addFavorite(sURL, sTitle);
    } catch (e) {
        try {
            window.sidebar.addPanel(sTitle, sURL, "");
        } catch (e) {
            alert("请使用Ctrl+D添加收藏，请记住" + sURL);
        }
    }
}

window.onbeforeunload = function() {
	AddFavorite(window.location, document.title);
}