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

// 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" : "Stairs",
//		"image" : "ban 1.jpg",
//		"url" : "http://www.sxc.hu/photo/1271909",
//		"firstline" : "Going on",
//		"secondline" : "vacation?"
//	}, {
//		"title" : "Office Appartments",
//		"image" : "ban 2.jpg",
//		"url" : "http://www.sxc.hu/photo/1265695",
//		"firstline" : "Or still busy at",
//		"secondline" : "work?"
//	}, {
//		"title" : "Mountainbiking",
//		"image" : "ban 3.jpg",
//		"url" : "http://www.sxc.hu/photo/1221065",
//		"firstline" : "Get out and be",
//		"secondline" : "active"
//	}, {
//		"title" : "Mountains Landscape",
//		"image" : "ban 4.jpg",
//		"url" : "http://www.sxc.hu/photo/1271915",
//		"firstline" : "Take a fresh breath of",
//		"secondline" : "nature"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 5.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 6.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 7.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 8.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 9.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 10.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 11.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}, {
//		"title" : "Italian pizza",
//		"image" : "ban 12.jpg",
//		"url" : "http://www.sxc.hu/photo/1042413",
//		"firstline" : "Enjoy some delicious",
//		"secondline" : "food"
//	}
//	
//];



jQuery(document).ready(function() {
		
	// Backwards navigation
	jQuery("#back").click(function() {
		stopAnimation();
		navigate("back");
	});
	
	// Forward navigation
	jQuery("#next").click(function() {
		stopAnimation();
		navigate("next");
	});
	
	var interval;
	jQuery("#control").toggle(function(){
		stopAnimation();
	}, function() {
		// Change the background image to "pause"
		jQuery(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
		jQuery("#headerimg" + activeContainer).css({
			"background-image" : "url('" + photoObject.image + "')",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
	//	jQuery("#headertxt").css({"display" : "none"});
		
		// Set the new header text
	/*
		jQuery("#firstline").html(photoObject.firstline);
		jQuery("#secondline")
			.attr("href", photoObject.url)
			.html(photoObject.secondline);
		jQuery("#pictureduri")
			.attr("href", photoObject.url)
			.html(photoObject.title);
	*/	
		
	//	alert("a");
		// Fade out the current container
		// and display the header text when animation is complete
		jQuery("#headerimg" + currentContainer).fadeOut('slow', function() {
			setTimeout(function() {
	//			jQuery("#headertxt").css({"display" : "block"});
				animating = false;
			}, 1000);
		});
	};
	
	var stopAnimation = function() {
		// Change the background image to "play"
//		jQuery("#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);
	
});


(function($) {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery)

//jQuery.preLoadImages("/images/homepage/banner/ban 1.jpg", "/images/homepage/banner/ban 2.jpg", "/images/homepage/banner/ban 3.jpg", "/images/homepage/banner/ban 4.jpg", "/images/homepage/banner/ban 5.jpg", "/images/homepage/banner/ban 6.jpg", "/images/homepage/banner/ban 7.jpg", "/images/homepage/banner/ban 8.jpg", "/images/homepage/banner/ban 9.jpg", "/images/homepage/banner/ban 10.jpg", "/images/homepage/banner/ban 11.jpg", "/images/homepage/banner/ban 12.jpg");
