var currentSlide = 0;
var numberOfSlides;

$(document).ready(function(){	
	//slideshow
	numberOfSlides = $("#slideshow-images img").size();	
	$("#slideshow-images img").hide();
	$("#slideshow-images img").slice(currentSlide, currentSlide + 1).show();
	
	$(".next-photo").click(function() {
		if (currentSlide < (numberOfSlides - 1))
			currentSlide += 1;
		else
			currentSlide = 0;
		fadePhotos();
	});
	
	$(".previous-photo").click(function() {
		if (currentSlide > 0)
			currentSlide -= 1;
		else
			currentSlide = numberOfSlides - 1;
		fadePhotos();
	});
	
	//animate navigation overlays
	$("#slideshow-navigation img").hide();
	$("#slideshow").hover(
	      function () {
	        $("#slideshow-navigation img").stop(false, true).fadeIn(500);
	      }, 
	      function () {
	        $("#slideshow-navigation img").stop(false, true).fadeOut(500);
	      }
	    );
	
	function fadePhotos() {
		$("#slideshow-images img:visible").fadeOut(1500);
		$("#slideshow-images img").slice(currentSlide, currentSlide + 1).fadeIn(1500);
	}
});