Lightbox Extension Copyright (c) 2006-2010 MindTouch Inc. This extension contains functions for lightbox effects. lightbox Make an embedded image clickable so that it is shown in a lightbox frame. URI for clickable thumbnail image. URI for lightbox image. (default: same as thumb) Title for thumbnail and lightbox images. (default: none) Alternate text for thumbnail image. (default: none) Width for thumbnail image. (default: original width of thumbnail image) Height for thumbnail image. (default: original height of thumbnail image)