Lightbox tags not working

I am trying to add videos to my webpage for that I am using lightbox
I have put the following tab in a page node

In input formats I have added lightbox2
and I get the following message in input formats

* Web page addresses and e-mail addresses turn into links automatically.
* Allowed HTML tags:

 <ul> <ol> <li> <dl> <dt> <dd>
    * Lines and paragraphs break automatically.
    * You may post code using <code>...

(generic) or ... (highlighted PHP) tags.
* Image links with 'rel="lightbox"' in the tag will appear in a Lightbox when clicked on.
* Image links from G2 are formatted for use with Lightbox2
* Image links with 'rel="lightshow"' in the tag will appear in a Lightbox slideshow when clicked on.
* Links to HTML content with 'rel="lightframe"' in the tag will appear in a Lightbox when clicked on.
* Links to video content with 'rel="lightvideo"' in the tag will appear in a Lightbox when clicked on.
* Links to inline or modal content with 'rel="lightmodal"' in the tag will appear in a Lightbox when clicked on.

Which shows Lightbox2 calls should be parsed, but somehow on my I dont see any video I just see the text

Here is the example
http://www.mananchopra.com/?q=node/25