$(document).ready(function() {
			var outer		= $("#preview_outer");
			var arrow		= $("#arrow");
			var thumbs		= $("#thumbs span");
			var preview_pos;
			var preview_els	= $("#preview_inner div");
			var image_width	= preview_els.eq(0).width();
			thumbs.click(function() {
				preview_pos = preview_els.eq( thumbs.index( this) ).position();
				outer.stop().animate( {'scrollLeft' : preview_pos.left},	500 );
				arrow.stop().animate( {'left' : $(this).position().left },	500 );
			});
			arrow.css( {'left' : thumbs.eq(0).position().left } ).show();
			outer.animate( {'scrollLeft' : 0}, 0 );
			$("#preview_inner").css('width', preview_els.length * image_width);
		});