Small changes to PHP script

Please take a look at the CSV file attached. Please also take a look at [login to view URL] The URL is where I have a script that sources email addresses one of two ways. I can either upload URLs individuals, or upload a CSV from SEO MOZ open site explorer. I would like a third way.. This is where the CSV file attached comes in. I would like you to add another box, adjust the script so that it also sources the email addresses for the URLs in that particular type of spreadsheet. Email adress columns will need to be added at the end of the data set, a new csv created and the ability to download. Please note that this script does all of this already, you will just need to be able to adjust it slightly so it ALSO does it for the CSV layout attached. You will need to create a new button underneath for the 3rd way.