Multiple Logins of Gmail and Orkut through firefox

Follow the following steps and you will be able to login in gmail and orkut with multiple accounts. Through this you will be able to make profiles in your firefox.
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.

Step 2:variable name: moz_no_remote (should be all small letter).variable value: 1

Step 3: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.

When you will open firefox it will prompt for profile selection create a profile,open firefox login to orkut open once more use another profile login.

[WORKS IN VISTA...NT TRIED IN XP!!]

Change Windows Admin password

Here is the simple method--

1.go to Run-> type 'lusrmgr.msc' without quotes
2.there u will see admin or administrator.
3.right click on it and select set password.
4.type the desired password twice and you are done!

This will not even for old password! 

                                     [THIS WORKS ON BOTH XP AND VISTA]