// JavaScript Document
jQuery(document).ready(function($){
	//Execute the slideShow
	slideShow();
});
function slideShow() {
    //Set the opacity of all images to 0
    jQuery('#gallery a').css({opacity: 0.0});
    
    //Get the first image and display it (set it to full opacity)
    jQuery('#gallery a:first').css({opacity: 1.0});
    
    //Set the caption background to semi-transparent
    jQuery('#gallery .caption').css({opacity: 1});

    //Resize the width of the caption according to the image width
    jQuery('#gallery .caption').css({width: jQuery('#gallery a').find('img').css('width')});
    
    //Get the caption of the first image from REL attribute and display it
    jQuery('#gallery .content').html(jQuery('#gallery a:first').find('img').attr('rel'))
    .animate({opacity: 1}, 400);
    
    //Call the gallery function to run the slideshow, 8000 = change to next image after 8 seconds
    setInterval('gallery()',8000);
}

function gallery() {
    //if no IMGs have the show class, grab the first image
    var current = (jQuery('#gallery a.show')?  jQuery('#gallery a.show') : jQuery('#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'))? jQuery('#gallery a:first') :current.next()) : jQuery('#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
    jQuery('#gallery .caption').animate({opacity: 0.0}, { queue:false, duration:50 }).animate({height: '1px'}, { queue:true, duration:300 });    
    
    //Animate the caption, opacity to 0.7 and heigth to 126px, a slide up effect
    jQuery('#gallery .caption').animate({opacity: 1},100 ).animate({height: '87px'},500 );
    
    //Display the content
    jQuery('#gallery .content').html(caption);
}

