(function(jq) {

    jq.extend({
        addFavorite:function () {
            var url = window.location.host;
            var title = document.title;
            try {
                if (window.sidebar) { // For Mozilla Firefox Bookmark
                    window.sidebar.addPanel(title, url,"");
                } else if( window.external || document.all) { // For IE Favorite
                    window.external.AddFavorite( url, title);
                } else { // for other browsers which does not support
                    alert('浏览器不支持,请按 Ctrl+D 手动收藏!');
                    return false;
                }
            } catch (e) {
                alert('浏览器不支持,请按 Ctrl+D 手动收藏!');
                return false;
            }
            return true;
        },
        setHome:function (obj,vrl) {
            try{
                obj.style.behavior='url(#default#homepage)';
                obj.setHomePage(vrl);
            }
            catch(e){
                if(window.netscape) {
                    try {
                        netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
                    }
                    catch (e) {
                        alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将 [signed.applets.codebase_principal_support]的值设置为'true',双击即可。");
                    }
                    var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                    prefs.setCharPref('browser.startup.homepage',vrl);
                }
            }
        }
    });

})(jQuery);