[www] going on with the filled curves

Hitting some places where ctioga is behind a bit

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/www@490 86c91514-0d3b-42e0-aed1-4dfce116d947
[www] take advantage of the last fix to simplify some graphs

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/www@491 86c91514-0d3b-42e0-aed1-4dfce116d947