$(function() {
    $('#fader').crossSlide({
    sleep: 5, //in sec
    fade: 1   //in sec
    }, [
      { src: 'static/img/1.jpg' },
      { src: 'static/img/2.jpg' },
      { src: 'static/img/3.jpg' },
      { src: 'static/img/4.jpg' }
    ]);
});