There is NO way to get your child's text messages with alltel.   The one way that  you can possibly is to have it set up on Yahoo messenger - where messages are sent back and forth and there is a program to back up messages   www.dexrex.com

There is no way to view deleted text messages unless you send then to your phone

 Here is a site for Invites , here is a site for  ideas

I hope the links work  I am TRYING to get this posted right. I also have more to add to this

SORRY!  If you have deleted them, You cannot retrieve them they will not be found in your trash
 
I have use yahoo messenger for over 10 yrs and have never been able to retrieve deleted messages
  You do know that you can save them by enabling the archives   Open yahoo Messenger >>Messenger(Menu) Preferences >>Archive tab … Read more