// JavaScript Document
jQuery(document).ready(function($) {
		// We only want these styles applied when javascript is enabled
		$('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, div.navigation a.pageLink').opacityrollover({
			mouseOutOpacity:   onMouseOutOpacity,
			mouseOverOpacity:  1.0,
			fadeSpeed:         'fast',
			exemptionSelector: '.selected'
		});
		// Initialize Advanced Galleriffic Gallery
		var gallery = $('#thumbs').galleriffic({
			delay:                     3500,
			numThumbs:                 14,
			preloadAhead:              14,
			enableTopPager:            false,
			enableBottomPager:         false,
			imageContainerSel:         '#slideshow',
			controlsContainerSel:      '#controls',
			captionContainerSel:       '#caption',
			loadingContainerSel:       '#loading',
			renderSSControls:          false,
			renderNavControls:         false,
			playLinkText:              'Play Slideshow',
			pauseLinkText:             'Pause Slideshow',
			prevLinkText:              '‹ Previous Photo',
			nextLinkText:              'Next Photo ›',
			nextPageLinkText:          'Next ›',
			prevPageLinkText:          '‹ Prev',
			enableHistory:             true,
			autoStart:                 true,
			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);

		// Update the photo index display
		//this.$captionContainer.find('div.photo-index')
		//	.html('Photo '+ (nextIndex+1) +' of '+ this.data.length);
	},
	onPageTransitionOut:       function(callback) {
		this.fadeTo('fast', 0.0, callback);
	},
	onPageTransitionIn:        function() {
		var prevPageLink = this.find('a.prev').css('visibility', 'hidden');
		var nextPageLink = this.find('a.next').css('visibility', 'hidden');
		
		// Show appropriate next / prev page links
		if (this.displayedPage > 0)
			prevPageLink.css('visibility', 'visible');

		var lastPage = this.getNumPages() - 1;
		if (this.displayedPage < lastPage)
			nextPageLink.css('visibility', 'visible');

		this.fadeTo('fast', 1.0);
	}
	});

	/**************** Event handlers for custom next / prev page links **********************/

	gallery.find('a.prev').click(function(e) {
		gallery.previousPage();
		e.preventDefault();
	});

	gallery.find('a.next').click(function(e) {
		gallery.nextPage();
		e.preventDefault();
	});

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

	/**** 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(e) {
		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;
	});

	/****************************************************************************************/
});