Download youtube videos without software

Friends,
Below is the Illustrations by which you can download Youtube videos without using any software also this makes you easy..

Step:1
For eg if want to download the below video 
http://www.youtube.com/watch?v=U9SmqzLNdzo&feature=youtube_gdata
Step:2
then add "ok" before youtube
http://www.okyoutube.com/watch?v=U9SmqzLNdzo&feature=youtube_gdata

Now you can download it without youtube downloader or without using any other softwares...

Enjoy.....