$(document).ready(function() {

	//Execute the slideShow
	slideShow();

});

function slideShow() {

	//Set the opacity of all images to 0
	$('#gallery a').css({opacity: 0.0});

	//Get the first image and display it (set it to full opacity)
	$('#gallery a:first').css({opacity: 1.0});

	//Set the caption background to full opacity 
	$('#gallery .caption').css({opacity: 1.0});

	//Resize the width of the caption according to the image width
	$('#gallery .caption').css({width: $('#gallery a').find('img').css('width')});

	//Set the opacity to 0 and height to 1px
	$('#gallery .caption').animate({height: '1px'}, { queue:true, duration:0 });

	//Animate the caption, a slide up 
	setTimeout('slideUp()', 2000);

	//Get the caption of the first image from REL attribute and display it
	$('#gallery .content').html($('#gallery a:first').find('img').attr('alt'))
	$('#gallery .caption').show();

	setTimeout('slideDown()', 8000);	
	setTimeout('showTOC()', 12000);
	setTimeout('slideDown()', 30000);

	//Call the gallery function to run the slideshow, 30000 = change to next image after 30 seconds
	setInterval('gallery()', 30000);
	
}

function gallery() {
	showCover();
}

function showCover() {
	
	//if no IMGs have the show class, grab the first image
	var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));

	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().hasClass('caption'))? $('#gallery a:first') :current.next()) : $('#gallery a:first'));

	//Get next image caption
	var caption = next.find('img').attr('alt');

	//Set the fade in effect for the next image, show class has higher z-index
	next.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 2000);

	//Hide the current image
	current.animate({opacity: 0.0}, 2000)
	.removeClass('show');

	//Animate the caption, a slide up
	setTimeout('slideUp()', 4000);

	//Display the content
	$('#gallery .content').html(caption);

	setTimeout('slideDown()', 10000);
	setTimeout('showTOC()', 14000);	
}

function showTOC() {
	
	//if no IMGs have the show class, grab the first image
	var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));

	//Get next image caption
	var caption = current.find('img').attr('rel');

	//Animate the caption, heigth to 150px, a slide up
	$('#gallery .caption').animate({height: '150px'}, 2000);

	//Display the content
	$('#gallery .content').html(caption);

	//Keep the TOC visible for a while
	setTimeout('slideDown()', 14000);
}

function slideUp() {
	$('#gallery .caption').animate({height: '50px'}, 2000);
}

function slideDown() {
	$('#gallery .caption').animate({height: '1px'}, 2000);
}

