Internet Explorer (6.0)
  Select 'Tools' from the top menu
  Choose 'Internet Options'
  Click on the 'Security' tab
  Click on 'Custom Level'
  Scroll down until you see section labled 'Scripting'
  Under 'Active Scripting', select 'Enable' and click OK

Netscape Navigator (4.8)
  Select 'Edit' from the top menu
  Choose 'Preferences'
  Choose 'Advanced'
  Choose 'Scripts & Plugins'
  Select the 'Enable JavaScript' checkbox and click OK