jQuery(document).ready(function() {
		//Execute the slideShow, set 4 seconds for each images
		slideShow(4000);
});

function slideShow(speed) 
{
	//Set the opacity of all images to 0
	jQuery('div.slideshow div').css({opacity: 0.0});

	//append a LI item to the UL list for displaying caption
	jQuery('div.slideshow').append('<div id="slideshow-caption" class="caption"><div class="slideshow-caption-container"><h3></h3><p></p></div></div>');
	
	//Get the first image and display it (set it to full opacity)
	jQuery('div.slideshow div:first').css({opacity: 1.0});
	
	//Get the caption of the first image from REL attribute and display it
	jQuery('#slideshow-caption h3').html(jQuery('div.slideshow div:first').find('img').attr('title'));
	jQuery('#slideshow-caption p').html(jQuery('div.slideshow div:first').find('img').attr('alt'));
	
	//Display the caption
	jQuery('#slideshow-caption').css({opacity: 0.7, bottom:0});
	
	//Call the gallery function to run the slideshow
	var timer = setInterval('gallery()',speed);
	
	//pause the slideshow on mouse over
	jQuery('div.slideshow').hover(function () {
			clearInterval(timer);
			timer = setInterval('gallery()',speed);     
	});
}

function gallery() 
{
	//if no IMGs have the show class, grab the first image
	var current = jQuery('div.slideshow div.show');
	if(current.length == 0)
		current = jQuery('div.slideshow div:first');
	
	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var next = null;
	if(	current.next().length)
	{
		if(current.next().attr('id') == 'slideshow-caption')
			next = jQuery('div.slideshow div:first');
		else
			next = current.next();
	}
	else
		next = jQuery('div.slideshow div:first');
	
	//Get next image caption
	var title = next.find('img').attr('title');
	var desc = next.find('img').attr('alt');
	
	//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
	jQuery('#slideshow-caption').animate({bottom:-50}, 300, function () {
		//Display the content
		jQuery('#slideshow-caption h3').html(title);
		jQuery('#slideshow-caption p').html(desc);           
		jQuery('#slideshow-caption').animate({bottom:0}, 500);
	}); 
	
	//Hide the current image
	current.animate({opacity: 0.0}, 1000).removeClass('show');
}