How to check your online status for the DV 2010 American visa lottery selection?

You must go to this American Government's official web site. http://dvlottery.state.gov/ESC/

There you will see the following text in that web site..

Welcome
U.S. Department of State Electronic Diversity Visa Entrant Status Check website for DV-2010.
DV-2010 Entrant Status Check Instructions.

Please be sure to have the Entrant's Confirmation Number, Last Name/Family Name, and Year of Birth in order to check the entrant status online.
Continue

On that page when you are ready with your details press" Continue".

It will take you to the next page.

where you must have to fill the Entrant's Confirmation Number, Last Name/Family Name, and Year of Birth in the correct boxes.
And press "Next" Button.

The next page will show you the code input box.

If you want to listen the code press the "speaker" image.
If you want a new code press the "Recycle" button.
If you can see the code clearly, type it in the given box.
It may be Capital letters, small letters or numbers or all.

Then press "Submit" button.
And the next page will display your status.
Good Luck.

Detail of the online information