How to change win logoff shortcut ??

[prem4u]

I have Window XP Sp2. I want to change the shortcut for window logoff that is (win+L) to some other shortcut. how to change this.
and how to assign (Win+L) for other purpose.??

Pls any one....

 

[prem4u]

still no reply........

 

[slugger]

AFAIK system shortcuts cannot b re-assigned