Multiple login in Google Talk

This is very simple and very cool and useful.
Here is how you can do.
All you need is to add /nomutex at the end of the target of ur google talk shortcut.

Example:Suppose ur google talk is installed in c:/ drive.
Than All u need is to make D:\Program Files\Google\Google Talk\googletalk.exe as this
D:\Program Files\Google\Google Talk\googletalk.exe /nomutex

Mind the space between googletalk.exe and /nomutex