Nivo Slider 简要使用文档.(3)

                    if(vars.running) return false; 
                    clearInterval(timer); 
                    timer = ''; 
                    nivoRun(slider, kids, settings, 'next'); 
                } 
            }); 
        } 
//Keyboard Navigation
        if(settings.keyboardNav){
            $(window).keypress(function(event){
                //Left
                if(event.keyCode == '37'){
                    if(vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    vars.currentSlide-=2;
                    nivoRun(slider, kids, settings, 'prev');
                }
                //Right
                if(event.keyCode == '39'){
                    if(vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    nivoRun(slider, kids, settings, 'next');
                }