I second this.
Look here: www.irs.gov/Individuals/General-ITIN-Information
Also, you can use this in dealing with US banks. I have not done this with PayPal but have done it for US banking. It took a few weeks. to get the number.
because it works.
q&d scripting to applications. its easy to write bad code in any language, one of my favourites is forth - write only is fair comment, maintaince?
php - easy to use, easy to abuse.