Multiple login in firefox with orkut,gmail,yahoo

Login with multiple ids at the same time in orkut , gmail , yahoo ....

To perform this trick u need firefox mozilla browser...

Perform the following steps..

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). Right click on the icon and click in the properties. In the target section add extension -p to the link..(like "c:\program files\mozilla firefox\firefox.exe" -p). Now press ok.

After that when u start 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.........