Firefox 2.x (Windows)

1. Open Firefox.
2. On the Tools menu, click Options.
3. Click on the Content icon.
4. Check the box next to Enable JavaScript.
5. Click OK.

Firefox 1.x (Windows)

1. Open Firefox.
2. On the Tools menu, click Options.
3. Click Web Features in the Options list.
4. Under the Web Features section, check the box next to Enable JavaScript.
5. Click the Advanced button to open the Advanced JavaScript Options box.
6. Check the boxes under Allow scripts to section that you want to allow.
7. Click OK.
8. Click OK.

Firefox 1.x => 3.x (Macintosh)

1. Open Firefox.
2. Select Preferences from the Firefox menu.
3. Click the Content icon.
4. Check "Enable JavaScript".
5. Close the window.
6. Click Reload.

Microsoft Internet Explorer 5 - 7.x (Windows)

1. Select Internet Options from the Tools menu.
2. Click the Security tab.
3. Click Custom Level in Security Level for this Zone.
4. Scroll down to Scripting, near the bottom of the list.
5. Under Active Scripting, choose Enable.
6. Click OK to leave Security Settings. Click OK to leave Internet Options.

Microsoft Internet Explorer 5.x (Macintosh)

1. Choose Preferences under the Explorer menu.
2. Click Web Content under Web Browser.
3. In Active Content, check the box next to Enable scripting.
4. In Java, click Enable Java. Click OK.

Microsoft Internet Explorer 4.x (Windows)

1. Select Internet Options from the View menu.
2. Click the Security tab.
3. Set the security level for this zone to Custom (for expert users).
4. Click the Settings button (to the right of Custom).
5. Scroll to the bottom of the list and enable Active scripting.
6. Click the OK button to close the Security Settings window. Click OK to close the Internet Options window.

Microsoft Internet Explorer 4.x (Macintosh)

1. Click the Preferences icon in the Toolbar.
2. Click the Web Content icon under Web Browser.
3. In Active Content, check the box next to Enable scripting. Click the OK button.

Netscape 7.x (Windows)

1. Select Preferences from the Edit menu.
2. Click Advanced on the left side of the dialog box.
3. Check the box next to Enable Java. Click the OK button.

Netscape 6.x (Windows, Macintosh)

1. Select Preferences from the Edit menu.
2. Click Advanced on the left side of the dialog box.
3. Check the box next to Enable JavaScript for Navigator. Click the OK button.

Netscape Navigator/Communicator 4.x (Windows, Macintosh)

1. Select Preferences from the Edit menu.
2. Click Advanced on the left side of the dialog box.
3. Check the box next to Enable JavaScript. Click the OK button.

America Online (Windows, Macintosh)

1. JavaScript is always on.