/*
* Author:      Marco Kuiper (http://www.marcofolio.net/)
*/
/*
ð: ğ
Ð: Ğ
ý: ı
Ý: İ
þ: ş
Þ: Ş
ç: ç
Ç: Ç
ö: ö
Ö: Ö
ü: ü
Ü: Ü
*/

var slideshowSpeed = 6000;
var photos = [ {
		"title" : "dizayn medya",
		"image" : "1.jpg",
		"url" : "/sinir-tanimaz-tasarim-hizmetleri/",
		"firstline": "Sınır Tanımaz",
		"secondline": "Tasarım Çözümleri?"
	}, {
	    "title": "dizayn medya",
		"image" : "2.jpg",
		"url": "/parlak-fikirler/",
		"firstline" : "Parlak",
		"secondline" : "Fikirler"
	}, {
	    "title": "dizayn medya",
		"image" : "3.jpg",
		"url": "/yapay-zeka-uygulamalari/",
		"firstline" : "Yapay Zeka",
		"secondline" : "Uygulamaları"
	}, {
	    "title": "dizayn medya",
		"image" : "4.jpg",
		"url": "/3-boyutlu-modelleme-ve-animasyon/",
		"firstline" : "3 Boyutlu Modelleme",
		"secondline" : "ve Animasyon "
	}, {
	    "title": "dizayn medya",
		"image" : "5.jpg",
		"url": "/ayni-objectifle-farkli-bakis-acilari/",
		"firstline" : "Aynı Objektifle",
		"secondline": "Farklı Bakış Açıları"
	}
];

$(document).ready(function() {
	$("#back").click(function() {
		stopAnimation();
		navigate("back");
	});
	$("#next").click(function() {
		stopAnimation();
		navigate("next");
	});
	
	var interval;
	$("#control").toggle(function(){
		stopAnimation();
	}, function() {
		$(this).css({ "background-image" : "url(/images/site/btn_pause.png)" });
		navigate("next");
		interval = setInterval(function() {
			navigate("next");
		}, slideshowSpeed);
	});

	var activeContainer = 1;	
	var currentImg = 0;
	var animating = false;
	var navigate = function(direction) {
		if(animating) {
			return;
		}
		
		if(direction == "next") {
			currentImg++;
			if(currentImg == photos.length + 1) {
				currentImg = 1;
			}
		} else {
			currentImg--;
			if(currentImg == 0) {
				currentImg = photos.length;
			}
		}
		
		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;
		
		currentZindex--;
		
		$("#headerimg" + activeContainer).css({
			"background-image" : "url(/images/site/animg/" + photoObject.image + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		$("#headertxt").css({"display" : "none"});
		
		$("#firstline").html(photoObject.firstline);
		$("#secondline")
			.attr("href", photoObject.url)
			.html(photoObject.secondline);
		$("#pictureduri")
			.attr("href", photoObject.url)
			.html(photoObject.title);
		
		$("#headerimg" + currentContainer).fadeOut(function() {
			setTimeout(function() {
				$("#headertxt").css({"display" : "block"});
				animating = false;
			}, 500);
		});
	};
	
	var stopAnimation = function() {
		$("#control").css({ "background-image" : "url(/images/site/btn_play.png)" });
		
		clearInterval(interval);
	};
	
	navigate("next");
	
	interval = setInterval(function() {
		navigate("next");
	}, slideshowSpeed);
	
});