$(document).ready(function() {
	// gallery array
	var galleryImages = ["gallery-image1.jpg", "gallery-image2.jpg", "gallery-image7.jpg", "gallery-image8.jpg", "gallery-image9.jpg", "gallery-image11.jpg", "gallery-image12.jpg", "gallery-image13.jpg", "gallery-image14.jpg", "gallery-image15.jpg", "gallery-image17.jpg", "gallery-image18.jpg", "gallery-image19.jpg", "gallery-image20.jpg", "gallery-image21.jpg", "gallery-image22.jpg", "gallery-image24.jpg", "gallery-image25.jpg"];
	// randomize gallery array
	function randomOrder() {
		return (Math.round(Math.random())-0.5);
	}
	galleryImages.sort(randomOrder);
	
	// gallery buttons and show first image
	var currentImage = 0;
	showImage(currentImage);
	function showImage(which) {
		var image = new Image();
		$(image).load(function() {
			$(this).hide();
			$("#gallery-content").html(this);
			$(this).fadeIn();
		}).attr("src", "images/" + galleryImages[which]);
	}
	
	$("#left-arrow").click(function() {
		$("#gallery-content").children().fadeOut();
		if (currentImage == 0) {
			currentImage = galleryImages.length - 1;
		} else {
			currentImage--;
		}
		showImage(currentImage);
	});
	$("#right-arrow").click(function() {
		$("#gallery-content").children().fadeOut();
		if (currentImage == galleryImages.length - 1) {
			currentImage = 0;
		} else {
			currentImage++;
		}
		showImage(currentImage);
	});
});