jQuery焦点图切换特效插件封装实例

                        },
                        ‘fast’)
                    });
                    nums.show().delay(2000).animate({
                        top: tips.height() + ‘px’
                    },
                    ‘fast’)
                } else {
                    nums.show()
                }
            };
            lis.size() > 1 && start()
        };
        var start = function () {
            var active = ul.find(‘li.active’),
            active_a = active.find(‘a’);
            var index = active.index();
            if (settings.direction == ‘left’) {
                offset = index * li_width * -1;
                param = {
                    ‘left’: offset + ‘px’
                }
            } else {
                offset = index * li_height * -1;
                param = {
                    ‘top’: offset + ‘px’
                }