$('#bislides').crossSlide({
  sleep: 2,
  fade: 1
}, [
  { src: 'bannerimages/frame1.jpg' },
  { src: 'bannerimages/frame2.jpg' },
  { src: 'bannerimages/frame3.jpg' },
  { src: 'bannerimages/frame4.jpg' }
]);