// JavaScript Document


image0 = new Image();
image0.src = "images/bg_1.jpg";
image1 = new Image();
image1.src = "images/bg_2.jpg";
image2 = new Image();
image2.src = "images/bg_3.jpg";
image3 = new Image();
image3.src = "images/bg_4.jpg";
image4 = new Image();
image4.src = "images/bg_5.jpg";
image5 = new Image();
image5.src = "images/bg_6.jpg";
image6 = new Image();
image6.src = "images/bg_7.jpg";
image7 = new Image();
image7.src = "images/bg_8.jpg";


/*
* Author:      Marco Kuiper (http://www.marcofolio.net/)
*/

// Speed of the automatic slideshow
var slideshowSpeed = 9000;

// Variable to store the images we need to set as background
// which also includes some text and url's.
var photos = [ {
		"title" : "Stairs",
		"image" : "bg_1.jpg",
		"url" : "http://www.sxc.hu/photo/1271909",
		"firstline" : "Going on",
		"secondline" : "vacation?"
	}, {
		"title" : "Office Appartments",
		"image" : "bg_2.jpg",
		"url" : "http://www.sxc.hu/photo/1265695",
		"firstline" : "Or still busy at",
		"secondline" : "work?"
	}, {
		"title" : "Mountainbiking",
		"image" : "bg_3.jpg",
		"url" : "http://www.sxc.hu/photo/1221065",
		"firstline" : "Get out and be",
		"secondline" : "active"
	}, {
		"title" : "Mountains Landscape",
		"image" : "bg_4.jpg",
		"url" : "http://www.sxc.hu/photo/1271915",
		"firstline" : "Take a fresh breath of",
		"secondline" : "nature"
	}, {
		"title" : "Italian pizza",
		"image" : "bg_5.jpg",
		"url" : "http://www.sxc.hu/photo/1042413",
		"firstline" : "Enjoy some delicious",
		"secondline" : "food"
	}, {
		"title" : "Italian pizza",
		"image" : "bg_6.jpg",
		"url" : "http://www.sxc.hu/photo/1042413",
		"firstline" : "Enjoy some delicious",
		"secondline" : "food"
	}, {
		"title" : "Italian pizza",
		"image" : "bg_7.jpg",
		"url" : "http://www.sxc.hu/photo/1042413",
		"firstline" : "Enjoy some delicious",
		"secondline" : "food"
	}
];



$(document).ready(function() {
						   
 $('body').prepend("<div id='headerimgs'><div id='headerimg1' class='headerimg'></div><div id='headerimg2' class='headerimg'></div></div>");  

	
	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"});
		
		// 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;
			}, 2000);
		});
	};
	
	
	// We should statically set the first image
	navigate("next");
	
	// Start playing the animation
	interval = setInterval(function() {
		navigate("next");
	}, slideshowSpeed);
	
});