$(document).ready(function() {	
		$('.slideshow .slideshow_desc').show(); 
		$('.slideshow .slideshow_block').animate({ opacity: 0.9 }, 1 ); 
		$('a.ds_collapse').click(function(){
			$('.slideshow .slideshow_block').slideToggle();
			$('a.ds_collapse').toggleClass('ds_show');
		});
	});