Create a custom webform that will calculate the services selected.

I need a form exactly as the links below, where the customer can: 1st - Enter ZIP code, if we do service that area it goes to the next form / 3rd step Example: [login to view URL] 2nd - If we don't service that area yet, we will get an email about the customer so when we do we can contact him back Example: [login to view URL] 3rd - Main form, (please use a valid Zip Code, 19152) Example: [login to view URL] As you can see, the customer can choose "How often?", "Extras", "Hours" and see the TOTAL price, including the Payment form. YES, I want to have the exactly same features as the example above. Website is in Joomla and I currently got crosstec breezingforms on it. Note: the forms does not need to be in Joomla, just in PHP and MySQL is fine, as long we can keep a database record of the requests.