How can you password your gmail account when you open Google as your homepage?I have an account and a password to access Google as my homepage ,but when you do one of the options that appears is your gmail. If you leave your homepage open i.e.(Google) anyone can walk up to your computer and press the gmail selection on the homepage and go directly to your mail.I don't like that!(Does anyone know of a cure for this ailment? If so I would greatly appreciate the help. Thanks for listening

Create a different Google account and use it for iGoogle and Google Search. To access Gmail, log out and enter the username/password of the Gmail account.

https://www.google.com/accounts/NewAccount

Other tips:
http://www.google.com/support/accounts/bin/answer.py?answer=46526&topic=14146

logout from igoogle or lock your computer when leaving the computer unattended.