Enhance the Web page the following elements:
o Ensure required fields First name, Last name are not blank.
o Verify in a comparison with the current date that the credit card expiration date is valid
o Request the user's name upon first use (via an alert box for example).
o Welcome the user by name each time he or she visits the site.
Revised home.html (must be HTML 4.0 compliant)
This job offers three working models.