Electronic Greeting Cards—Send a Friend a Greeting
Our next application enables users to construct electronic greeting cards and send them to friends. You use your browser to create a card, and the recipient uses a browser to view it. This is a more ambitious (and complex) undertaking than any of our previous applications because it has to do a whole bunch of stuff:
When you first visit the application, you see a card information form into which you enter the name and email address for the recipient and for yourself, as well as the text of the greeting you want to send.
If you want to select a picture to be displayed with the card, the application switches to a page that displays a gallery of images. After you pick one, the application switches ...