$(function() {
$('#topslide1').crossSlide({
speed: 32, //in px/sec
fade: 1    //in sec
}, [
  { src: 'img950/4.jpg',  dir: 'down'  },
  { src: 'img950/5.jpg',  dir: 'up'  	},
  { src: 'img950/2.jpg',  dir: 'down'  	},
  { src: 'img950/1.jpg',  dir: 'up'  	}
  ]);
  });