// Speed of the automatic slideshow
var slideshowSpeed = 3500;

// Variable to store the images we need to set as background
// which also includes some text and url's.
var photos =
[
	{"image" : "visual-01.jpg"},
	{"image" : "visual-02.jpg"},
	{"image" : "visual-03.jpg"},
	{"image" : "visual-04.jpg"},
	{"image" : "visual-05.jpg"},
	{"image" : "visual-06.jpg"}
];



$(document).ready(function() {
		
	var activeContainer = 1;	
	var currentImg = 0;
	var animating = false;

	var navigate = function(direction) {
	
		// Check which current image we need to show
		if(direction == "next") {
			currentImg++;
			if(currentImg == photos.length + 1) {
				currentImg = 1;
			}
		} else {
			currentImg--;
			if(currentImg == 0) {
				currentImg = photos.length;
			}
		}
		
		// Check which container we need to use
		var currentContainer = activeContainer;
		if(activeContainer == 1) {
			activeContainer = 2;
		} else {
			activeContainer = 1;
		}
		
		showImage(photos[currentImg - 1], currentContainer, activeContainer);
		
	};
	
	var currentZindex = -1;
	
	var showImage = function(photoObject, currentContainer, activeContainer) {
		animating = true;
				
		// Make sure the new container is always on the background
		currentZindex--;
		
		///alert(document.location.href);
		// Set the background image of the new active container
		$("#headerimg" + activeContainer).css(
		
		{
		'background-image' : 'url(http://www.propagandastudio.it/hotelabruzzomarina/wp-content/themes/hotelabruzzomarina-V1/immagini/' + photoObject.image + ')', 
		'display': 'block',
		'z-index' : currentZindex
		}
		
		);
		
		// Fade out the current container
		// and display the header text when animation is complete
		$("#headerimg" + currentContainer).fadeOut();		
	};
	

	
	// We should statically set the first image
	navigate("next");
	
	// Start playing the animation
	interval = setInterval(function() {
		navigate("next");
	}, slideshowSpeed);
	
	
	
});