How do I remove from trusted sites list?

From: Aurora (Aurora_at_discussions.microsoft.com)
Date: 11/01/04 

Date: Sun, 31 Oct 2004 17:54:02 -0800

i am trying to remove some unwanted sites from my trusted sites list and add
them to the restricted sites list but it seems i am not able to.I have a tool
bar at the bottom of my computer that won't go away. Can anyone help me?