Online PDF Viewer ENinja (PostgreSQL only using for beta)

Hello, colleagues.

I want to get some comments and feedback about my beta version of PDF Online Viewer Extension ENinja.

ENinja Extension - take advantages of upload and view PDF files in a browser window without using third party components (such as a Acrobat Reader).

I don't want to write more text here and invite you to visit my blog, where I tell about design and coding of this extension.…Paper%22+coding

At the of post you may see a screencast with record of working ENinja Extension widget in a browser window.

Any feedback are welcome.