[Extension 'scheme-4' (56367) on page 'learnenglish-central-links-archive.htm'] Line 1: TypeError: assignment to undeclared variable strScheme

[Extension 'outputScheme' (56370) on page 'learnenglish-central-links-archive.htm'] Line 50: ReferenceError: strScheme is not defined

[Extension 'Hide Nav' (8930) on page 'learnenglish-central-links-archive.htm'] Line 1: TypeError: assignment to undeclared variable showNav

[Extension 'Hide Nav 2' (71380) on page 'learnenglish-central-links-archive.htm'] Line 1: TypeError: assignment to undeclared variable showNav2

[Extension 'Show 3 Links' (9459) on page 'learnenglish-central-links-archive.htm'] Line 1: TypeError: assignment to undeclared variable noOfLinks2

[Extension 'white' (8824) on page 'learnenglish-central-links-archive.htm'] Line 1: TypeError: assignment to undeclared variable bgColor