Internet Explorer 5.0

• Choose the Tools menu. 
• Select Internet Options. . .. 
• Click on the Security tab. 
• Click on the Custom Level button. 
• Scroll to Scripting, Active Scripting.
• Click the Enable Javascript radio button. 

Internet Explorer 4.x

• Choose the View menu.
• Select Internet Options. . .
• Click on the Security tab.
• Click on the Settings button.
• Scroll to the Scripting section.
• Check Scripting of Java applets and Active Scripting.

Netscape Navigator 3.0

• Choose the Options menu. 
• Select Network Preferences. . .. 
• Click on the Languages tab. 
• Check Enable JavaScript.

Netscape Communicator 4.0

• Choose the Edit menu. 
• Select Preferences. . .. 
• Click Advanced. 
• Check Enable JavaScript.