// JavaScript Document
$(document).ready(function() {		
	
	//Execute the slideShow, set 4 seconds for each images
	slideShow(3000);

});

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>');

	//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}).addClass('show');
	
	
	
	//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);			
		}
	);
	
}

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'));
	
	//trying to avoid speed issue
	if(current.queue('fx').length == 0) {	
	
		//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'));
			

		//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');

	}

}