list of active polls button

Hi,
As it is today, when CP is started, a list of polls (and optionally a list of categories) are shown. However, after selecting one poll to cast a vote, the user only has the option of going forward to the next poll or going backward to the previous poll. To see all the polls, the user has to go back to the main menu. This is annoying. How do I configure CP so that CP displays a "List of polls" button next to the "previous poll" and "next poll" buttons? Thanks.