Nagiosgrapher graph (check_http)

I want to graph HTTP.I have used the check_http.ncfg templete for does not graph.
I checked ngraph.log.

This is what i get

2011-11-27 04:05:16 PIPE: localhost HTTP HTTP OK: HTTP/1.1 200 OK - 16332 bytes in 0.240 second response time time=0.239884s;;;0.000000 size=16332B;;;0 1322359461
2011-11-27 04:05:16 REGEX: No blocks for ‘HTTP’ found.

I don’t know where i missed it.