/*
* 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" : "bg.jpg",
		"url" : "http://www.sxc.hu/photo/1271909",
		"firstline" : "A drop of ecology",
		"secondline" : "Lorem ipsum dolor sit amet consectetur adipiscing elit"
	}, {
		"title" : "Italian pizza",
		"image" : "bg2.jpg",
		"url" : "http://www.sxc.hu/photo/1042413",
		"firstline" : "<div class='firstline-white'>Tagline for image</div>",
		"secondline" : "<div class='secondline-white'>Lorem ipsum dolor sit amet consectetur adipiscing elit</div>"
	}, {
		"title" : "Italian pizza",
		"image" : "bg3.jpg",
		"url" : "http://www.sxc.hu/photo/1042413",
		"firstline" : "<div class='firstline-white'>Awesome tagline</div>",
		"secondline" : "<div class='secondline-white'>Lorem ipsum dolor sit amet consectetur adipiscing elit</div>"
	}
];



$(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(wp-content/themes/epecc/img/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(wp-content/themes/epecc/img/" + 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(wp-content/themes/epecc/img/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 navButtons = '#first, #second, #third, #fourth';
    $(navButtons).hover(function() {
        $(this).stop().animate({'top':'-159px'});
        }, function () {
        $(this).stop().animate({'top':'0px'})
        });
});

	<!--//
	var use_debug = false;

	function debug(){
		if( use_debug && window.console && window.console.log ) console.log(arguments);
	}

	// on DOM ready
	$(document).ready(function (){
		$(".marquee").marquee({
			loop: -1
			// this callback runs when the marquee is initialized
			, init: function ($marquee, options){
				debug("init", arguments);

				// shows how we can change the options at runtime
				if( $marquee.is("#marquee2") ) options.yScroll = "bottom";
			}
			// this callback runs before a marquee is shown
			, beforeshow: function ($marquee, $li){
				debug("beforeshow", arguments);

				// check to see if we have an author in the message (used in #marquee6)
				var $author = $li.find(".author");
				// move author from the item marquee-author layer and then fade it in
				if( $author.length ){
					$("#marquee-author").html("<span style='display:none;'>" + $author.html() + "</span>").find("> span").fadeIn(850);
				}
			}
			// this callback runs when a has fully scrolled into view (from either top or bottom)
			, show: function (){
				debug("show", arguments);
			}
			// this callback runs when a after message has being shown
			, aftershow: function ($marquee, $li){
				debug("aftershow", arguments);

				// find the author
				var $author = $li.find(".author");
				// hide the author
				if( $author.length ) $("#marquee-author").find("> span").fadeOut(250);
			}
		});
	});
	
	var iNewMessageCount = 0;
	
	function addMessage(selector){
		// increase counter
		iNewMessageCount++;

		// append a new message to the marquee scrolling list
		var $ul = $(selector).append("<li>New message #" + iNewMessageCount + "</li>");
		// update the marquee
		$ul.marquee("update");
	}
	
	function pause(selector){
		$(selector).marquee('pause');
	}
	
	function resume(selector){
		$(selector).marquee('resume');
	}
	//-->
