How to change the dates for the day, month and last year as in the pictures below.

Thank you sorry for my bad English I translated with google

[url]http://img10.hostingpics.net/pics/963691Capture1JPG.jpg[/url]

[url]http://img10.hostingpics.net/pics/675869Capture2JPG.jpg[/url]

file to modify: member.module.php
function signup

et ceci n'est pas un feature request