My laptop continually restarts itself

Hi

My laptop froze the other night, and wouldn't respond to anything i did, and so i had to manually take out its battery to turn it off. I think it froze again once i restarted it so i took out the battery a second time.

Now, i cant get to the desktop at all, my laptop keeps restarting.

What happens is that i get this screen below:

http://i136.photobucket.com/albums/q...ackwriting.jpg

No matter which option i choose, i don't get past this screen:

http://i136.photobucket.com/albums/q...mgz1/reach.jpg

This screen is on for about 3 seconds and then the laptop restarts itself, and begins this cycle again.

Much thanks in advance to anybody who can help

Thanks.