$(document).ready(function() {

	//Execute the slideShow, set 4 seconds for each images
	slideShow(4000);

});

function slideShow(speed) {


	//append a LI item to the UL list for displaying caption
	$('ul.slideshow').append('<li id="slideshow-caption" class="caption"><div class="slideshow-caption-container"><h3></h3><p></p></div></li>');

	//Set the opacity of all images to 0
	$('ul.slideshow li').css({opacity: 0.0});

	//Get the first image and display it (set it to full opacity)
	$('ul.slideshow li:first').css({opacity: 1.0});

	//Get the caption of the first image from REL attribute and display it
	$('#slideshow-caption h3').html($('ul.slideshow a:first').find('img').attr('title'));
	$('#slideshow-caption p').html($('ul.slideshow a:first').find('img').attr('alt'));

	//Display the caption
	$('#slideshow-caption').css({opacity: 0.7, bottom:0});

	//Call the gallery function to run the slideshow
	var timer = setInterval('gallery()',speed);

	//pause the slideshow on mouse over
	$('ul.slideshow').hover(
		function () {
			clearInterval(timer);
		},
		function () {
			timer = setInterval('gallery()',speed);
		}
	);

}

function gallery() {


	//if no IMGs have the show class, grab the first image
	var current = ($('ul.slideshow li.show')?  $('ul.slideshow li.show') : $('#ul.slideshow li: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().attr('id') == 'slideshow-caption')? $('ul.slideshow li:first') :current.next()) : $('ul.slideshow li:first'));

	//Get next image caption
	var title = next.find('img').attr('title');
	var desc = 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}, 1000);

	//Hide the caption first, and then set and display the caption
	$('#slideshow-caption').slideToggle(300, function () {
		$('#slideshow-caption h3').html(title);
		$('#slideshow-caption p').html(desc);
		$('#slideshow-caption').slideToggle(500);
	});

	//Hide the current image
	current.animate({opacity: 0.0}, 1000).removeClass('show');

}


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