// JavaScript Document
$(document).ready(function() {

	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 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
  $('#gallery .content').html($('#gallery a:first').find('img').attr('rel'))
  .animate({opacity: 0.7}, 400);

  //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 }); 

  //Animate the caption, opacity to 0.7 and heigth to 50px, a slide up effect
  $('#gallery .caption').animate({opacity: 0.7},100 ).animate({height: '50px'},500 );

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

  }