How to use multi orkut in fire fox?

Step 1:
open system properties(by right clicking my computer), choose tab advanced, click to environment variables button. in system variables section, click new. type this information to each textbox.

variable name: moz_no_remote(should be all small letter)

variable value: 1

press ok to close all windows.

Step 2:
open firefox icon's properties(from desktop and quick launch). add extension -p to command line(like "c:\program files\mozilla firefox\firefox.exe" -p). press ok. note:give a space after ....\firefox.exe" and type -p

while starting firefox u have to create two separate profiles of firefox so that u can login to two accounts of any(orkut,yahoo,rediff or anything else).......
for three logins create three profiles of firefox.........

Creating two user Profiles
after completing step-2..u click on firefox...a dailog box choose user profile will come...

click CREATE PROFILE=>NEXT=>RENAME AS U LIKE=>FINISH....

now close that box click on firefox again...u get that box...select default and open one window...

again click firefox...u get that box...select the new profile u have created another firefox will open....

login with different accounts in different windows...