I think NoScript blocks the Firefox 3.6 add-on Hyper-anchor. The consoles gives the this message: [NoScript XSS] Sanitized suspicious request. Original URL [http://normansolomon.org.uk/histTreeHelp/tutorial.html#hyperanchor1.3%3A%2Fhtml%5B1%5D%2Fbody%5B1%5D%2Fdiv%5B1%5D%2Fp%5B16%5D(0)(3)(The)%26%2Fh...