$(document).ready(function() {		
	
	//Execute the slideShow
	slideShow();

});

function slideShow() {

	//Set the opacity of all images to 0
	$('#slide_show a').css({opacity: 0.0});
	
	//Get the first image and display it (set it to full opacity)
	$('#slide_show a:first').css({opacity: 1.0});
	
	//Set the caption background to semi-transparent
	$('#slide_show .caption').css({opacity: 0.7});

	//Resize the width of the caption according to the image width
	$('#slide_show .caption').css({width: $('#slide_show a').find('img').css('width')});
	
	//Get the caption of the first image from REL attribute and display it
	$('#slide_show .content').html($('#slide_show a:first').find('img').attr('rel'))
		.animate({opacity: 0.7}, 1000);
	
	//Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
	setInterval('gallery()',8000);
	
}

function gallery() {
	
	//if no IMGs have the show class, grab the first image
	var current = ($('#slide_show a.show')?  $('#slide_show a.show') : $('#slide_show 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'))? $('#slide_show a:first') :current.next()) : $('#slide_show 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}, 1500);

	//Hide the current image
	current
		.animate({opacity: 0.0}, 1500)
		.removeClass('show');
	
	//Hide caption
	$('#slide_show .caption').slideUp("slow", function(){
		//Complete animation then display new caption
		$('#slide_show .content')
		.html(caption);
	});
	
	//Show caption
		$('#slide_show .caption').slideDown("slow");
}
