Would be willing to do this job for $20 but the system will not let me bid that low.
Predicted time for completion (avoiding unseen issues) : 1hr - 2hrs from initial contact.
I can have the script and text modifications done within a short period of time, and very little need for communication. I am available from IM, Email and Mobile if you so wish.
I have extensive experience with adding such scripts over the years. Will files need to be uploaded and tested onto your server or would the web pages only needed to be submitted to you?