Image Zoom and Popup

Lightbox
You’re probably very familiar with Lightbox — a light Javascript used to display overlay images on the current page. The original Lightbox was released in 2005. Since then, there are many scripts released with similar features using different approaches and Javascript libraries.
jQuery lightBox Plugin
This is exactly the same as Lightbox JS, but [...]

you can get this like
 
function FCKeditor_OnComplete(editorInstance)
{
alert( editorInstance.Name );
}
after that you will be able to access the editors contents using the javascript API.
var oEditor = FCKeditorAPI.GetInstance(instancename);
var contents = oEditor.GetXHTML(true);
alert(contents);

Shadowbox.js
http://mjijackson.com/shadowbox/

This is Vivalogo’s list of the most beautiful free Javascript and Flash gallery software.
Note: listed in no particular order.
JAVASCRIPT
GalleriaDemo

Galleria is a javascript image gallery written in jQuery. It loads the images one by one from an unordered list and displays thumbnails when each image is loaded. It will create thumbnails for you if you choose [...]