$(function() {
    $('#mainpic').crossSlide({
      sleep: 2,
      fade: 1
    }, [
      { src: 'http://www.bi2u.net/WeLoveVitca/images/picture1.jpg', href: '#'},
      { src: 'http://www.bi2u.net/WeLoveVitca/images/picture2.jpg', href: '#'},
      { src: 'http://www.bi2u.net/WeLoveVitca/images/picture3.jpg', href: '#'},
      { src: 'http://www.bi2u.net/WeLoveVitca/images/picture2.jpg', href: '#'}
    ]);
  });