$(document).ready(function() {
	imageGallery('#image_gallery');
});

function imageGallery(tag){
	var gallery = $(tag);
	var image = $('#large_image', gallery)
	$('#thumbnails > a', gallery).click(function(e) {
		e.preventDefault();
		$('a', gallery).removeClass('selected');
		$(e.currentTarget).addClass('selected');
		image.attr('src', e.currentTarget);
	});
}