js自动登录cookie

//下次自动登录   给cookie加密  如果选中，加入cookie

        if ($("#ck_rmbUser").attr("checked")) {
             var str_username = new Base64().encode($("#account").val(),"utf-8");
             var str_password = new Base64().encode($("#password").val(),"utf-8");
            //名称加密
             var loginChecked=new Base64().encode("loginChecked","utf-8");
             var userCookieName=new Base64().encode("username","utf-8");
             var pwdCookieName=new Base64().encode("password","utf-8");
             $.cookie(loginChecked, "true", { path: '/', expires: 7 }); //存储一个带7天期限的cookie
             $.cookie(userCookieName, str_username, { path: '/', expires: 7 });
             $.cookie(pwdCookieName, str_password, { path: '/', expires: 7 });
           }else {
             $.cookie(loginChecked, "false", { path: '/', expire: -1 });
             $.cookie(userCookieName, "", { path: '/', expires: -1 });
             $.cookie(pwdCookieName, "", { path: '/', expires: -1 });
           }