function slideShow(speed) {
  TGallHeight = parseInt(($('ul.slideshow').css('height')));

	//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.slide').css({opacity: 0.0});
	
	//Get the first image and display it (set it to full opacity)
  SlideHeight = parseInt(($('ul.slideshow li.slide:first').find('img').css('height')));
  margintop = Math.round((TGallHeight-SlideHeight)/2);
  $('ul.slideshow li.slide:first').find('img').css('margin-top',margintop);
  //$('ul.slideshow li.slide:first').find('li').addClass('show');
	$('ul.slideshow li.slide: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'));
		
	//Display the caption
	$('#slideshow-caption').css({opacity: 0.7, bottom:0});
	
	//Call the gallery function to run the slideshow
  if ($('ul.slideshow li.slide').length>1){
  	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.slide:first'));
  SlideHeight = parseInt((current.find('img').css('height')));
  margintop = Math.round((TGallHeight-SlideHeight)/2);
  current.find('img').css('margin-top',margintop);

	//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.slide:first') :current.next()) : $('ul.slideshow li.slide:first'));
	//Get next image caption
	var title = next.find('img').attr('title');	
	var desc = next.find('img').attr('alt');	
  SlideHeight = parseInt((next.find('img').css('height')));
  margintop = Math.round((TGallHeight-SlideHeight)/2);
  next.find('img').css('margin-top',margintop);
	//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').slideToggle(0, function () { 
		$('#slideshow-caption h3').html(title); 
		$('#slideshow-caption p').html(desc); 
		$('#slideshow-caption').slideToggle(0); 
	});		

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