Auto Login and Redirect

I know I can pass this URL and automatically log in to Salesforce without having to interface with the login page:

https://login.salesforce.com/?un=username@11myorg.com&pw=password

Is there a way to build out the above URL so that once the user is logged in, they're immediately taken to a specific tab? If so, what would that URL look like (assuming it's possible).

Thanks!