Installing Mac OS X on PowerBook G4

I few months ago a roughly seven year old PowerBook G4 (old Apple notebook) fell into my possession.  My fiance claimed my newer MacBook, so I took said PowerBook and deleted everything, hoping to jump start this CPU with the Mac OSX discs that came with my MacBook.  Little did I know that said discs don't work on computers other than the computer they were made for or something like that. So, I was stuck now with a PowerBook that didn't have an OS on it anymore to boot to (suck).  I could however boot off the discs that I had, just couldn't install from them...

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My first thought, "Mistake".  Tried again, same thing.  Second thought was, "okay, there has to be a way around this".  So I scoured the internet for a solution.  Found some pretty crazy stuff like hold these keys and press this button this many times and crap like that.  I'm pretty good with computers but none of these ridiculous tips seemed like a dependable solution.  

This was the solution I came up with...

step 1:  Find a family version of Mac OS X or whatever and copy it to a thumb drive using disk utility on a newer mac that will read the Mac OS X DVD

step 2:  Create 2 partitions on the internal hard drive through Disc Utility.  Mine looked similar to this:

step 3:  Copy the Mac OS X installer onto the second (very important) partition you created in step 2 using the restore feature in Disk Utility.

• The source would be the original copy of the Mac OS X installer (ie. CD)
• The destination would be the partition you are copying to (ie. second partition of internal hard drive)
• Be sure to check the box that says 'Erase destination' then click 'Restore'

step 4:  Reboot the PowerBook and hold down the option (shown below left)key to show the startup manager.  Should look something like this:

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step 5:  Click on the hard drive labeled Mac OS X Install DVD (not the one with the picture of a DVD) and boot from that.

step 6:  This should bring you to the Mac OS X Installer which now needs to be installed on the first partition of the internal hard drive.

step 7:  Once the installation has completed you can repartition the hard drive to have only one partition through the disk utility feature in Mac OS X

I would have better pictures on how the steps go but A. I don't want to do it all over again (not that it's hard) and B. it seems that nobody else has anything on how to do this online.