MPR121 IC Touch Sensor Shield

I am using the MPR121 IC touch sensor shield (https://www.sparkfun.com/products/10508). I clicked the example code section, downloaded the folder, and tried to compile the code. It failed to do so, giving two errors, "'i2cInit' was not declared in this scope" and "'mpr121Read' was not declared in this scope". What can I do to fix this?
Thanks!