var currentProduct = 'ps01';

$(document).ready(function(){$('#productimages .ps01').show();});

$(document).ready(function() {
		$('.thumbnails > li > img').click(function() {
				var image = $(this).attr('class');
				if (currentProduct != image) {
						currentProduct = image;
						image = '#productimages .' + image;
						$('#productimages img:visible').hide('slow');
						$(image).show('slow');
				}
		});
});