﻿$(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 });

    if ($('#gallery a:first').find('img').attr('rel') != "") {
        //Set the caption background to semi-transparent
        $('#gallery .caption').css({ opacity: 0.7 });
    
        //Resize the width of the caption according to the image width
        $('#gallery .caption').css({ width: $('#gallery a').find('img').css('width') });

        //Get the caption of the first image from REL attribute and display it
        try {
        $('#gallery .content').html($('#gallery a:first').find('img').attr('rel'))
	    .animate({ opacity: 0.7 }, 400);
	    }
	    catch(e) {}
    }
    else
        $('#gallery .caption').css({ opacity: 0.0 });
    //Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
    setInterval('gallery()', 6000);

}

function gallery() {

    //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('rel');

    

        //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 current image
        current.animate({ opacity: 0.0 }, 1000)
	.removeClass('show');
        //Set the opacity to 0 and height to 1px
        $('#gallery .caption').animate({ opacity: 0.0 }, { queue: false, duration: 0 }).animate({ height: '1px' }, { queue: true, duration: 300 });
    if (caption != "") {
       
        //Animate the caption, opacity to 0.7 and heigth to 100px, a slide up effect
        $('#gallery .caption').animate({ opacity: 0.7 }, 100).animate({ height: '60px' }, 500);

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


}
