How to add 'open Command Prompt Here' open in windows 7 while right clicking a directory ?

In windows, under xp and few other flavours we have to add certain values in registry to get the option of opening command prompt from a particular directory.

But windows 7 has this feature by default, but you have to hold 'shift' and do a right click.

Default behaviour when doing a right click on a directory

 when you hold shift and right click on a folder ,you will see the option "Open command prompt here"