/* Requires jQuery */

// This code snippet moved to content_feature_banner.tpl
//$(document).ready(function() {		
//	
//	//Execute the slideShow, set 4 seconds for each images
//	slideShow(2000);

//});

// @since 2010-04-07	Added onClick to div caption so that users can click and follow link on the caption
// @since 2010-04-19	Added More Info button
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>');

	// append LI item to the UL list for displaying More Info link
	$('ul.slideshow').append('<li id="slideshow-more-info"><a>More Info &raquo;</a></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'));
	$('#slideshow-more-info a').attr('href', $('ul.slideshow a:first').attr('href'));	// Set More Info link
	
	// Follow link on Caption-Click
	$('#slideshow-caption .slideshow-caption-container').attr('onClick', "javascript:window.location = '"+$('ul.slideshow a:first').attr('href')+"'");
		
	//Display the caption/More Info link
	$('#slideshow-caption').css({opacity: 0.8, bottom:-5});
	$('#slideshow-more-info').css({opacity: 0.8});
	
	//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);			
		}
	);
	
}

// @since 2010-04-07	Added onClick to div caption so that users can click and follow link on the caption
// @since 2010-04-19	Added More Info button
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');	
	var url = "javascript:window.location = '"+next.find('a').attr('href')+"'";

	$('#slideshow-more-info a').attr('href', next.find('a').attr('href'));	// Set More Info link
		
	//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').animate({bottom:-70}, 300, function () {
			//Display the content
			$('#slideshow-caption h3').html(title);
			$('#slideshow-caption p').html(desc);
			$('#slideshow-caption .slideshow-caption-container').attr('onClick', url); // Follow link on Caption-Click
			$('#slideshow-caption').animate({bottom: -5}, 500);	
	});		

	//Hide the current image
	current.animate({opacity: 0.0}, 1000).removeClass('show');
}