jQuery lightBox is a great plugin inspired in the well-known Lightbox JS by Lokesh Dhakar.
After starting using it I realized that things became messy with big images, so I made a small modification to limit the image size to the current browser window size.
Also I added an option to hide the image information. The images used to navigate between images and close the preview are in English, so I modified the images to be more neutral (just icons)
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Tool Window
This JavaScript class wraps a given HTML element into a movable and resizable floating tool window. Required libraries: scriptaculous and prototype.js
How to use the code:
Download full source (including scriptaculous and prototype). The pieces of code developed by me are released under BSD license, please verify third party libraries licenses before using them.
See the DEMO PAGE!
enjoy it!
Upload Progress with mod_python
Now that Gmail has added a progress bar for attachment uploads, everybody wants to do the same including myself 
So, with the same method that everybody uses consisting in an upload form with a hidden <iframe> as target, and then a periodic Ajax request to update the progress, I made a simple implementation using mod_python on the server side… This is a veeery simple example, like everything that you do with Python.
Additionally I’ve added an upload size limit control based in examples that can be found in the mod_python forum site. Use the source Luke!
See LIVE DEMO!
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jQuery lightBox is a great plugin inspired in the well-known Lightbox JS by Lokesh Dhakar.