Hallo, thank you for your very interesting website ,
I want to ask about php
" I have designed a simple application form but I want when my visitor enter my web page and enter their data in the form fields the data send to my email address.
I can't do that please show me how with asimple example
Thank you more

This will explain how to create a form in HTML,

HTML Forms and Input

And here's a PHP script you can download to send the information entered in the form:

Web Shoppe | PHP | Mail Form

Vasily