Hi i forgot my Sony Ericson's xperia x10 screen pattern what should i do ?

Hi i forgot my Sony Ericson's xperia x10 screen patter and i forgot my google account too... what should i do ? please help me (T_T)

TWO POSSIBLE WAYS :
1. SIMPLE
2. COMPLEX ( FULL RESET )
1. SIMPLE STEP
1. Open the emergency call
2. DIAL *#*#7378423#*#*
3. A menu with 3 or 4 options will appear

• SERVICE INFO
• SERVICE TEST
• CUSTOMIZATION SETTINGS

4. Select CUSTOMIZATION SETTINGS .
5. Inside customization select RESET CUSTOMIZATION.
6. Restart the phone it may work

ELSE

2. COMPLEX ( FULL RESET )
The last possible way is just flashing the phone and resetting as new one
1. In your PC or LAPTOP
Go to PC companion -> select phone update without connecting your phone.
2. Select your device and download the update (DONOT CONNECT PHONE)
3. When the download completes it will prompt for connecting you phone.
4. Before that phone must be switched OFF (donot turn on).
JUST PRESS DOWN THE VOLUME DOWN KEY AND CONNECT THE USB CABLE.
5. The Phone's LED will glow green and the update for phone will start.
6. After the update completes you will get the phone as an fresh new Operating System.
(WARNING - YOU WILL LOOSE ALL YOUR DATAS AND GET A FRESH START)