Transcription: In Unit 2, we created navigation buttons on our background. Now, we'll write scripts to make them work. Start by selecting the button and open its script from the toolbar. We'll write a button click handler to go to a new page when the button is clicked. Then, we'll add the statement, Go to next page. We can also add a comment to our script. Choosing Update Script and Exit from the File menu compiles the script and closes its window. We've written a similar script for the button that will navigate to the previous page. We'll switch to reader level to see our results. We can now navigate betwee ...