Jack, at the top of each page here there is a link that says "Welcome, (your name)." Click on that name link and go to the resulting page and click on "Preferences," and then on the following page click on "Account Details." You can change your password there.
1.Click on your name at the top of a page in "Welcome, Your Name"
2. At the top of the next page, just to the right of the little "home" button, mouse over on the tab that says "Profile"
3. Move your mouse to the third item in the resulting menu list. This menu link says "Edit Profile and Account Details" - click on that item\
4. Look on the left side of the resulting page for a link that says "Account Details" -- click on that link
5. Edit your password by entering a new password twice, as requested by the form on the resulting page.
6. Click on the "Save" button