fade_slide_caption = function(next, previous)
{
	caption_container = $('#project_caption')
	caption_container.fadeOut('fast')
}

update_slide_caption = function(next, previous)
{
	caption_container = $('#project_caption')

	caption = $('span.slide_caption', previous)
	caption_container.fadeIn('fast')
	caption_container.html(caption.html())
}