Internet Explorer 6

• Select Tools | Internet Options... menu item from the main menu.
• Change to the Security tab at the top of the Internet Options window that pops up.
• From the list of zones at the top of the Security options select the internet icon.
• Select the button near the bottom that reads Custom Level.
• In the new window that pops up, scroll down to Scripting --> Active Scripting, and select Enable.

Internet Explorer 5 for Mac

• Select the Preferences menu item in the Edit menu (Mac OS X users select from the Explorer menu).
• Click on the Web Browser tab. Click on the Web Content bullet item.
• Make sure the Enable Scripting box is checked in the Active Content section.

Mozilla Firefox 1.0

• Select Tools | Options... from the main menu.
• Select Web Features from the left panel of options.
• Select "Enable JavaScript." (You do not need to enable Java, but it is OK if you do.)
• Note: You may wish to install the NoScript extension for Firefox to control which sites can run JavaScript.

Mozilla Firefox 1.5/2.0

• Select Tools | Options... from the main menu.
• Select Content button from the top row of options.
• Select "Enable JavaScript." (You do not need to enable Java, but it is OK if you do.)
• Note: You may wish to install the NoScript extension for Firefox to control which sites can run JavaScript.

Netscape 6.x/7.x (Mozilla 1.0)

• Select Edit | Preferences... menu item from the main menu.
• Click on the Advanced label displayed in the list of options on the left hand side of the Preferences window that pops up.
• On the right hand side select the checkbox marked Enable Javascript for Navigator.

Opera 6/7

• Select File | Preferences... from the main menu.
• Click Multimedia.
• Under the "JavaScript" heading, select "Enable JavaScript."

Opera 8/9

• Select Tools | Quick Preferences ... from the main menu.
• Make sure "Enable JavaScript" is checked.

Safari

• Select Preferences from the Safari menu.
• Select Security tab at the top.
• Make sure "Enable JavaScript" is checked.