The best part of that tutorial is: it points out tons of tips which could drive man crazy without. For example, you'd better hide the send button in a Movie Clip, so that everything works. Why? because otherweise
Note: note that [ send ] is a Movie Clip with inside a button. This is useful for us while with the loadVariables() our vars to PHP without sending all _root variables...Reading such kind of tutorials is really an enjoy. Keep going on, Alessandro Crugnola!