Thanks, that helped me a bit. But I don't get this. Why does this link says pwm functionality is disabled on pins 9 and 10 if we use library :s . What does it mean ? And i connected it on pin 6 and servo motors moves but very strangely. http://arduino.cc/it/Reference/Servo
The Servo library takes over timer1 completely, no more PWM on pins 9 and 10. Simple.