History of radar   Thanks for the reply  I have tried both Radar and radar but neither works for me  When I previewed this entry just now the heading appears in blue but when I click on it it tells me that an article does not exist  Am I losing my metaphorical marbles already or is there something wrong  That is very strange  both work flawlessly for me Have you tried clearing your browser cache Open the page in question then click CTRLrefresh CTRLF in Internet Explorer That is indeed odd