var img_1 = new Image(); img_1.src = '/images/kli-1.jpg';
var img_2 = new Image(); img_2.src = '/images/kli-2.jpg';
var img_3 = new Image(); img_3.src = '/images/kli-3.jpg';
var img_4 = new Image(); img_4.src = '/images/kli-4.jpg';
var img_5 = new Image(); img_5.src = '/images/kli-5.jpg';

$(document).ready(function() {
	Slides = function() {
		var self = this;

		$('#items span').click(function() {
			var id = this.id.toString().replace('item-', '');
			self.on_button(id);
		});
	}
	Slides.prototype.make_current = function(id) {
		$('#items span').removeClass('current');
		$('#item-' + id).addClass('current');
	}
	Slides.prototype.on_button = function(id) {
		var self = this;
		self.make_current(id);

		$('#slideshow').fadeOut(function() {
			$('#slideshow').html('<img alt="Konrad Lorenz Institute" src="/images/kli-'+id+'.jpg" />').fadeIn();
		});
	}

	var slides = new Slides();
});