Ir distance sensor and Servo motor

How much current can you source from an Arduino?

I am using an IR distance sensor and a servo. I want to know If i can power both of them from my Arduino UNO.

IR distance senor: http://www.adafruit.com/products/164

Servo motor http://www.dealextreme.com/p/sg5010-r-c-helicopter-torque-servos-with-gears-and-parts-35766

Generally speaking, it is not a good idea to try to power a servo directly from an arduino.