error while uploading

I'm new to arduino.I ran into same kind of problem when uploading the sketch of 5kb.But when I used this link for optiboot

the code doesn't compile.
errors are like

In file included from optifix.pde:43:
optiLoader.h:7: error: 'byte' does not name a type
optiLoader.h:8: error: 'byte' does not name a type
optiLoader.h:9: error: 'byte' does not name a type

and a lot others.Kindly help

Three identical cross-posts deleted.
Welcome to my hate file.

Did u get any solution