[Zope] How can i delete a user by useing the name of the user?

Hi, I am trying to delete a user by his name. But that doesn´t work. <dtml-call "REQUEST.set('name', Username)"> <dtml-call "acl_users.manage_users(submit='Delete',REQUEST=REQUEST)"> Mybe someone can help me! Thanks Jensebaer ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com