Internet Explorer

• Go to "Tools | Internet Options" in the top right hand corner of your screen (or "View | Internet Options" from the main menu if you have an old version of Explorer)
• Change to the "Security" tab
• Click on "Custom"
• To enable: make sure "Run ActiveX scripts" check box is checked
  To disable: make sure "Run ActiveX scripts" check box is unchecked
• Restart the browser

Navigator 3.x

• Go to "Options | Network Preferences..." from the main menu
• Change to the "Languages" tab
• To enable: make sure "Enable JavaScript" check box is checked
  To disable: make sure "Enable JavaScript" check box is unchecked
• Restart the browser

Communicator 4.x

• Go to "Edit | Preferences..." from the main menu
• Select "Advanced" panel
• To enable: make sure "Enable JavaScript" check box is checked.
  To disable: make sure "Enable JavaScript" check box is unchecked.
• Restart the browser