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Select 'Tools->Internet Options' from the menu Click the 'Security' tab Click 'Custom Level...' Scroll down to the 'Scripting' section Ensure that all types of scripting are set to 'Enable'.
Select Edit->Preferences from the menu. Click the 'Content' tab and tick the 'Enable JavaScript' checkbox.
Select Edit->Preferences from the menu. Under 'Category', on the left, expand the 'Advanced' group Click the 'Scripts & Plug-ins' category Under 'Enable JavaScript for', tick the 'Navigator' checkbox.