Rename the name of programs(at task bar?)

Hi all! Sorry for making new thread, but I couldn't find anywhere the answer... Is there any way to rename a program's name?
For example: Rename [Conquer2.0] to [client2]
Before a lot months I have found one program I think,but I did not save the site :(

Can anyone help me?(I mostly want use this because I have more than 2 clients opened and I want to use(at one client) WinActive in AHK.)

Yes. I dont know how to do it in AHK but i do in autoit.
Hiyoal

Well np,with the new changes(the letter that CoachLi gives disappears if you drop it) I do not really need to know.. I was making a bot that would do the CoachLi quest and that's why I asked :D

exanxxxm made a program for it.
Here's the link to it :D
[Only registered and activated users can see links. Click Here To Register...]

Woot! Works Perfectly! Thanks!