// Speed of the automatic slideshow
var slideshowSpeed = 6000;

// Variable to store the images we need to set as background
// which also includes some text and url's.
var photos = [
			  	
			   {
		"title" : "De Magische Stenen in Theater 't Voorhuys!",
		"image" : "junglefever.jpg",
		"url" : "kaartverkoop.html",
		"firstline" : "Bestel nu uw kaarten:",
		"secondline" : "Theatershow '12"
	}
	
	,
				
	{
		"title" : "17 maart in Chez Marknesse, bestel nu! ",
		"image" : "musicalshow.jpg",
		"url" : "kaartverkoop.html",
		"firstline" : "Bestel nu uw kaarten:",
		"secondline" : "Musicalconcert!"
	},		
	
		  {
		"title" : "Voor kinderen met een gedragsstoornis!",
		"image" : "kids.jpg",
		"url" : "lessen/gedrag.html",
		"firstline" : "Nieuw bij Artistique:",
		"secondline" : "DANS & SPEL"
	},
	
			  {
		"title" : "Bekijk hier foto's van deze leuke week!",
		"image" : "hoedjes.jpg",
		"url" : "https://www.facebook.com/danscentrumartistique",
		"firstline" : "Studiopresentaties",
		"secondline" : "Groot succes!"
	},					
	
	
				{
		"title" : "De Magische Stenen in Theater 't Voorhuys!",
		"image" : "indianen.jpg",
		"url" : "kaartverkoop.html",
		"firstline" : "Bestel nu uw kaarten:",
		"secondline" : "Theatershow '12"
	} ,
			
			  
			{
		"title" : "Schrijf je hier in!",
		"image" : "kleuters.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Peuters en kleuters",
		"secondline" : "PROEFLES!"
	},  {
		"title" : "Ga naar de pagina en word vrienden!",
		"image" : "didz.jpg",
		"url" : "http://www.facebook.com/danscentrumartistique",
		"firstline" : "Artistique nu ook op",
		"secondline" : "FACEBOOK!"
	},	
			  	{
		"title" : "Schrijf je hier in!",
		"image" : "musical.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Volg nu een gratis         ",
		"secondline" : "PROEFLES!"
	},
		
			   {
		"title" : "Bekijk hier de foto's!",
		"image" : "jesse.jpg",
		"url" : "media/fotoalbums.html",
		"firstline" : "Foto's breakdancers",
		"secondline" : "GLAZEN HUIS"
	},
	
			  	{
		"title" : "Lees hier meer over haar avontuur!",
		"image" : "marloes.jpg",
		"url" : "lessen/zangles.html",
		"firstline" : "Marloes succesvol in",
		"secondline" : "THE VOICE!"
	},
			  
		
	{
		"title" : "Schrijf je hier in!",
		"image" : "hiphop.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Volg nu een gratis",
		"secondline" : "PROEFLES!"
	}
	,
	

		
			
	
			  {
		"title" : "Bekijk hier de pagina!",
		"image" : "struiken.jpg",
		"url" : "http://www.facebook.com/danscentrumartistique",
		"firstline" : "Artistique nu ook op",
		"secondline" : "FACEBOOK!"
	},
			  

	{
		"title" : "Schrijf je hier in!",
		"image" : "zangjorien.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Nu ook",
		"secondline" : "ZANGLESSEN!"
	},
	

	

	
	{
		"title" : "Schrijf je hier in!",
		"image" : "halloween.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Volg nu een gratis",
		"secondline" : "PROEFLES!"
	},
	
		
	
	{
		"title" : "Schrijf je nu in!",
		"image" : "anne.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Volg een gratis",
		"secondline" : "PROEFLES!"
	},
	
	
	

			  
			  {
		"title" : "Schrijf je hier in!",
		"image" : "hairspray.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Volg nu een gratis",
		"secondline" : "PROEFLES!"
	}
	, 
  

	
	
	
	{
		"title" : "Schrijf je hier in!",
		"image" : "chicagogroep.jpg",
		"url" : "contact/proefles.php",
		"firstline" : "Volg nu een gratis",
		"secondline" : "PROEFLES!"
	}

	
	
];


//Functie voor pauze
$(document).ready(function() {
		
	// Backwards navigation
	$("#back").click(function() {
		stopAnimation();
		navigate("back");
	});
	
	// Forward navigation
	$("#next").click(function() {
		stopAnimation();
		navigate("next");
	});
	
	var interval;
	$("#control").toggle(function(){
		stopAnimation();
	}, function() {
		// Change the background image to "pause"
		$(this).css({ "background-image" : "url(images/btn_pause.png)" });
		
		// Show the next image
		navigate("next");
		
		// Start playing the animation
		interval = setInterval(function() {
			navigate("next");
		}, slideshowSpeed);
	});
	
	
	var activeContainer = 1;	
	var currentImg = 0;
	var animating = false;
	var navigate = function(direction) {
		// Check if no animation is running. If it is, prevent the action
		if(animating) {
			return;
		}
		
		// 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--;
		
		// Set the background image of the new active container
		$("#headerimg" + activeContainer).css({
			"background-image" : "url(images/" + photoObject.image + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
		//$("#headertxt").css({"display" : "none"});
		
		// Set the new header text
		$("#firstline").html(photoObject.firstline);
		$("#secondline")
			.attr("href", photoObject.url)
			.html(photoObject.secondline);
		$("#pictureduri")
			.attr("href", photoObject.url)
			.html(photoObject.title);
		
		
		// Fade out the current container
		// and display the header text when animation is complete
		$("#headerimg" + currentContainer).fadeOut(function() {
			setTimeout(function() {
				$("#headertxt").css({"display" : "block"});
				animating = false;
			}, 500);
		});
	};
	
	var stopAnimation = function() {
		// Change the background image to "play"
		$("#control").css({ "background-image" : "url(images/btn_play.png)" });
		
		// Clear the interval
		clearInterval(interval);
	};
	
	// We should statically set the first image
	navigate("next");
	
	// Start playing the animation
	interval = setInterval(function() {
		navigate("next");
	}, slideshowSpeed);
	
});