$(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');

}