#1 gonna check you logic here...
did u setup a static external ip?
and you realize everytime your ipod is not connected to the internet, whether off or traveling with you, the website will be down.
im glad you didnt pay for the domain.
but now learn html and js (sitepoint is a great site, check out some of their tuts)
then learn jquery (w3schools is good then sitepoints tutorial)
then learn php.
and work on gettinf mysql installed