AJAX e-mail address collection form

This ajax e-mail form can be used for collecting e-mail addresses for anything you wish! It dynamically collects e-mails and stores them into an easy to read text file. You can modify the script yourself for integration with a database or whatever else. Features include but aren't limited to: Dynamically submits e-mails, Checks if e-mails are in the correct format, stores in an easy to read text document, parses the e-mail address for better storage, Sleek and simple design, Easy to edit and easy to implement, Shows message if someone has already entered an e-mail. Simply upload the files as is and it should work from the get-go! For implementation into a design just simply copy the HTML and stick it anywhere in the page! You can view the e-mail addresses that have been entered by going to the file.txt in the same directory as your write.php file.