In this part ...
Chapter 7 describes ways to get more reliable input. First you learn how to use specialized user interface elements like list boxes and radio buttons. Secondly, you learn how to use regular expressions to ensure the value of text fields is in the correct format.
Chapter 8 teaches how to animate your page. You learn how to move page elements around on the page under user or program control. You learn how to animate elements and how to pre-load images for more efficient animation. You also learn how to read the keyboard and mouse.