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

To do this you will need firefox mozilla browser .....

======== Multilogin in firefox ============

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

variable name: moz_no_remote (in small letter)

variable value: 1

press ok and close all windows.

2:
open firefox icon's properties(from desktop or quick launch). OR add extension -p to command line(like "c:\program files\mozilla firefox\firefox.exe" -p). press ok.

while starting firefox you 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.........