$(document).ready(function() {
	
	if($("#crossslide").length) {
		$("#crossslide").crossSlide({
		speed: 30, //in px/sec
		fade: 1 //in sec
		}, [
			{ src: 'http://www.gtrimport.com/images/diapos/sky0.jpg', dir: 'up'   },
			{ src: 'http://www.gtrimport.com/images/diapos/sky1.jpg',   dir: 'down' },
			{ src: 'http://www.gtrimport.com/images/diapos/sky2.jpg',  dir: 'up'   },
			{ src: 'http://www.gtrimport.com/images/diapos/sky3.jpg', dir: 'down' }
		]);
	}
 
});