1) Contact Us Page Tasks: i) Modify Contact us page to provide a contact us form. The page will be a simple contact us page with a name filed, an email field and a message field and a submit button. Message text emailed to admin@ubercheap.com. Contact us page must fit in with current design (like about.php page). Must provide error checking to insure fields are filled in. Provide a thank you message after submit. 2) Submit Item Page Create a page for users to submit an item to...