$(function(){
				$('#envelope').show();
				$('#main_left_gallery img').hide();
				$('#main_left_gallery img:first').show();		
				$("#go_left").click(function(event){
					var count=$('#photo_count').val();
					var current=$('#photo_current').val();
					event.preventDefault();
					current--; if (current<0) current=count-1;
					$('#main_left_gallery img').hide();
					$('#main_left_gallery img.img_'+current).show();
					$('#photo_current').val(current);$('.current_image_label').html(current+1);
				});
				$("#go_right").click(function(event){
					var count=$('#photo_count').val();
					var current=$('#photo_current').val();
					event.preventDefault();
					current++; if (current>count-1) current=0;
					$('#main_left_gallery img').hide();
					$('#main_left_gallery img.img_'+current).show();
					$('#photo_current').val(current);$('.current_image_label').html(current+1);
				});
				
			});