function changePhoto(id_element, photo_id, photo_width, photo_height, photo_comment, comment_element, dir, extension) {
	var photo = document.getElementById(id_element);
	var photo_comment_box = document.getElementById(comment_element);

	photo.src = dir + photo_id + '.' + extension;
	photo.width = photo_width;
	photo.height = photo_height;
	photo.alt = photo_comment;
	photo.title = photo_comment;

	photo_comment_box.innerHTML = photo_comment;
}