jQuery(document).ready(function($) {
	// We only want these styles applied when javascript is enabled
	$('div.navigation').css({'width' : '300px', 'float' : 'left'});
	$('div.content').css('display', 'block');

	// Initially set opacity on thumbs and add
	// additional styling for hover effect on thumbs
	var onMouseOutOpacity = 0.67;
	$('#thumbs ul.thumbs li').opacityrollover({
		mouseOutOpacity:   onMouseOutOpacity,
		mouseOverOpacity:  1.0,
		fadeSpeed:         'fast',
		exemptionSelector: '.selected'
	});

	// Enable toggling of the caption
	var captionOpacity = 0.0;
	$('#captionToggle a').click(function(e) {
		var link = $(this);
		
		var isOff = link.hasClass('off');
		var removeClass = isOff ? 'off' : 'on';
		var addClass = isOff ? 'on' : 'off';
		var linkText = isOff ? 'Hide Caption' : 'Show Caption';
		captionOpacity = isOff ? 0.7 : 0.0;

		link.removeClass(removeClass).addClass(addClass).text(linkText).attr('title', linkText);
		$('#caption span.image-caption').fadeTo(1000, captionOpacity);
		
		e.preventDefault();
	});
	
	// Initialize Advanced Galleriffic Gallery
	var gallery = $('#thumbs').galleriffic({
		delay:                     2500,
		numThumbs:                 15,
		preloadAhead:              10,
		enableTopPager:            true,
		enableBottomPager:         true,
		maxPagesToShow:            7,
		imageContainerSel:         '#slideshow',
		controlsContainerSel:      '#controls',
		captionContainerSel:       '#caption',
		loadingContainerSel:       '#loading',
		renderSSControls:          true,
		renderNavControls:         true,
		playLinkText:              'Play Slideshow',
		pauseLinkText:             'Pause Slideshow',
		prevLinkText:              '‹ Previous Photo',
		nextLinkText:              'Next Photo ›',
		nextPageLinkText:          'Next ›',
		prevPageLinkText:          '‹ Prev',
		enableHistory:             true,
		autoStart:                 false,
		syncTransitions:           true,
		defaultTransitionDuration: 900,
		onSlideChange:             function(prevIndex, nextIndex) {
			// 'this' refers to the gallery, which is an extension of $('#thumbs')
			this.find('ul.thumbs').children()
				.eq(prevIndex).fadeTo('fast', onMouseOutOpacity).end()
				.eq(nextIndex).fadeTo('fast', 1.0);
		},
		onTransitionOut:           function(slide, caption, isSync, callback) {
			slide.fadeTo(this.getDefaultTransitionDuration(isSync), 0.0, callback);
			caption.fadeTo(this.getDefaultTransitionDuration(isSync), 0.0);
		},
		onTransitionIn:            function(slide, caption, isSync) {
			var duration = this.getDefaultTransitionDuration(isSync);
			slide.fadeTo(duration, 1.0);
			
			// Position the caption at the bottom of the image and set its opacity
			var slideImage = slide.find('img');
			caption.width(slideImage.width())
				.css({
					'bottom' : Math.floor((slide.height() - slideImage.outerHeight()) / 2),
					'left' : Math.floor((slide.width() - slideImage.width()) / 2) + slideImage.outerWidth() - slideImage.width()
				})
				.fadeTo(duration, captionOpacity);
		},
		onPageTransitionOut:       function(callback) {
			this.fadeTo('fast', 0.0, callback);
		},
		onPageTransitionIn:        function() {
			this.fadeTo('fast', 1.0);
		},
		onImageAdded:              function(imageData, $li) {
			$li.opacityrollover({
				mouseOutOpacity:   onMouseOutOpacity,
				mouseOverOpacity:  1.0,
				fadeSpeed:         'fast',
				exemptionSelector: '.selected'
			});
		}
	});

	/**** Functions to support integration of galleriffic with the jquery.history plugin ****/

	// PageLoad function
	// This function is called when:
	// 1. after calling $.historyInit();
	// 2. after calling $.historyLoad();
	// 3. after pushing "Go Back" button of a browser
	function pageload(hash) {
		// alert("pageload: " + hash);
		// hash doesn't contain the first # character.
		if(hash) {
			$.galleriffic.gotoImage(hash);
		} else {
			gallery.gotoIndex(0);
		}
	}

	// Initialize history plugin.
	// The callback is called at once by present location.hash. 
	$.historyInit(pageload, "advanced.html");

	// set onlick event for buttons using the jQuery 1.3 live method
	$("a[rel='history']").live('click', function() {
		if (e.button != 0) return true;

		var hash = this.href;
		hash = hash.replace(/^.*#/, '');

		// moves to a new page. 
		// pageload is called at once. 
		// hash don't contain "#", "?"
		$.historyLoad(hash);

		return false;
	});

	/****************************************************************************************/

	/********************** Attach click event to the Add Image Link ************************/

	$('#addImageLink').click(function(e) {
		gallery.insertImage('<li>																							\
				<a class="thumb" href="http://farm1.static.flickr.com/79/263120676_2518b40e5b.jpg" title="Dynamically Added Image">\
					<img src="http://farm1.static.flickr.com/79/263120676_2518b40e5b_s.jpg" alt="Dynamically Added Image" />\
				</a>																										\
				<div class="caption">																						\
					<div class="download">																					\
						<a href="http://farm1.static.flickr.com/79/263120676_2518b40e5b_o_d.jpg">Download Original</a>		\
					</div>																									\
					<div class="image-title">Dynamically Added Image</div>													\
					<div class="image-desc">																				\
						<img src="http://farm1.static.flickr.com/38/buddyicons/77261001@N00.jpg" alt="ringydingydo" />		\
						Photo taken by <a href="http://www.flickr.com/photos/ringydingydo/">ringydingydo</a>				\
					</div>																									\
				</div>																										\
			</li>', 5);
		
		e.preventDefault();
	});
	
	/****************************************************************************************/
	
	/***************** Attach click event to the Remove Image By Index Link *****************/
	
	$('#removeImageByIndexLink').click(function(e) {
		if (!gallery.removeImageByIndex(5))
			alert('There is no longer an image at position 5 to remove!');

		e.preventDefault();
	});
	
	/****************************************************************************************/

	/***************** Attach click event to the Remove Image By Hash Link ******************/
	
	$('#removeImageByHashLink').click(function(e) {
		if (!gallery.removeImageByHash('lizard'))
			alert('The lizard image has already been removed!');

		e.preventDefault();
	});
	
	/****************************************************************************************/
});