// Wechselgeschwindigkeit in sek
var slideshowSpeed = 7000;

// hinterlegen der Bildnamen
// hinterlegen des SLideshow Contents
var photos = [ {
		"title" : "Hotel...",
		"image" : "hotel-pfahlershof.jpg",
		"url" : "http://www.pfahlershof.com/hotel",
		"firstline" : "Hotel Pfahlershof",
		"secondline" : "Familienurlaub an der Nordsee"
	}, {
		"title" : "Familienurlaub...",
		"image" : "kinder-pfahlershof.jpg",
		"url" : "http://www.pfahlershof.com/kinderbetreuung",
		"firstline" : "Kinderbetreuung",
		"secondline" : "Urlaub für die ganze Familie"
	}, {
		"title" : "Lage und Anreise...",
		"image" : "landschaft-pfahlershof.jpg",
		"url" : "http://www.pfahlershof.com/lage-und-anreise",
		"firstline" : "Unser Standort",
		"secondline" : "Karolinenkoog/Tönning"
	}, {
		"title" : "Wellness",
		"image" : "wellnessurlaub.jpg",
		"url" : "http://www.pfahlershof.com/wellness-massagen",
		"firstline" : "Lot di dat gut gohn",
		"secondline" : "Entspannung, Gesundheit, Fitness"
	}, {
		"title" : "Ausflüge & Aktivitäten",
		"image" : "watt-wanderung.jpg",
		"url" : "http://www.pfahlershof.com/aktivitaten",
		"firstline" : "Ausflugsziele",
		"secondline" : "für die ganze Familie"
	}, {
		"title" : "Reiten & Tiere",
		"image" : "pferde-reiten.jpg",
		"url" : "http://www.pfahlershof.com/reiten",
		"firstline" : "Pferde Reiten",
		"secondline" : "Ziegen, Kaninchen..."
	}
];



$(document).ready(function() {
		
	// navigation button back
	$("#back").click(function() {
		stopAnimation();
		navigate("back");
	});
	
	// navigation button forward
	$("#next").click(function() {
		stopAnimation();
		navigate("next");
	});
	
	var interval;
	$("#control").toggle(function(){
		stopAnimation();
	}, function() {
		// funktion pause aufrufen
		$(this).css({ "background-image" : "url(http://www.pfahlershof.com/wp-content/themes/cms/images/slideshow/btn_pause.png)" });
		
		// funktion next image
		navigate("next");
		
		// funktion start slideshow
		interval = setInterval(function() {
			navigate("next");
		}, slideshowSpeed);
	});
	
	
	var activeContainer = 1;	
	var currentImg = 0;
	var animating = false;
	var navigate = function(direction) {
		// pruefung des startes der animation
		if(animating) {
			return;
		}
		
		// pruefung der bildwiedergabe
		if(direction == "next") {
			currentImg++;
			if(currentImg == photos.length + 1) {
				currentImg = 1;
			}
		} else {
			currentImg--;
			if(currentImg == 0) {
				currentImg = photos.length;
			}
		}
		
		// container pruefung
		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;
		
		// sicherstellung der bilder als background
		currentZindex--;
		
			// festlegen des bildfades der slideshow bilder
		$("#slideshowimg" + activeContainer).css({
			"background-image" : "url(http://www.pfahlershof.com/wp-content/themes/cms/images/slideshow/" + photoObject.image + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		
		// verstecken des headertextes
		$("#headertxt").css({"display" : "none"});
		
		// ausgabe slideshow content
		$("#firstline").html(photoObject.firstline);
		$("#secondline")
			.attr("href", photoObject.url)
			.html(photoObject.secondline);
		$("#moreinfo")
			.attr("href", photoObject.url)
			.html(photoObject.title);
		
		
		// Fade out
		// einblendung slideshow content
		$("#slideshowimg" + currentContainer).fadeOut(function() {
			setTimeout(function() {
				$("#headertxt").css({"display" : "block"});
				animating = false;
			}, 500);
		});
	};
	
	var stopAnimation = function() {
		// play button colntrol
		$("#control").css({ "background-image" : "url(http://www.pfahlershof.com/wp-content/themes/cms/images/slideshow/btn_play.png)" });
		
		// interval clearing
		clearInterval(interval);
	};
	
	// weiter navigieren
	navigate("next");
	
	// animations start
	interval = setInterval(function() {
		navigate("next");
	}, slideshowSpeed);
	
});