// JavaScript Document

jQuery(document).ready(function($) {
	// We only want these styles applied when javascript is enabled
	$('div.navigation').css({'width' : '300px', 'float' : 'left', 'margin-top' : '10px'});
	$('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'
	});
	
	// Initialize Advanced Galleriffic Gallery
	var gallery = $('#thumbs').galleriffic({
		delay:                     4000,
		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:                 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);
		},
		onPageTransitionOut:       function(callback) {
			this.fadeTo('fast', 0.0, callback);
		},
		onPageTransitionIn:        function() {
			this.fadeTo('fast', 1.0);
		}
	});

	/**** 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;
	});

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