%SCRIPTURL{"script"}%
http://www.genibeans.com/cgi-bin/twiki/script
%SCRIPTURL{"viewauth"}%/%WEB%/%TOPIC% which expands to http://www.genibeans.com/cgi-bin/twiki/viewauth/TWiki/VarSCRIPTURL2
%SCRIPTURLPATH{"script"}% instead, as it works with URL rewriting much better