You can change your password by first logging in and then clicking on 'My Profile' which is at the top of this page, just under the banner advertisement.

After you click on the link, it will take you to your profile/controlpage.

Right under the orangish bar that says My Profile'you'll see the firsthorizontal column is listed asLogin (change password).

Click on Change password and you will go to the form to change your password. (make sure to click 'Ok' when you've filled it out)