By default IE7 does not allow the prompt() method to be executed. But you can enable this again. In IE go to the menubar, select "Extra", "Options". Take the tab page "Security". Click the customize button at the security zone part. Look for "Websites are allowed to use scripts to prompt for information" and enable it. (screenshot on Dutch Vista) Clikc "Ok" twice. Close your browser and open it again. The pompt() function should now work ......