png for trends,statusmap.cgi

I had a working version of netsaint-0.0.7 on a solaris box then started
mucking with it. I'm at the point were everything works except trends and
the statusmap. Worse, neither gives any error, just displays the unknown
icon for the image. Even stranger, while netscape displays the unknow
image for both, the "opera" browser actually will display the statusmap
but comes up with the blank image for trends.

I checked libpng ea libraries for the above (they at least exist) and even
went as far as figuring out how to run trends.cgi from the command line:

% setenv QUERY_STRING "createimage&t1=1032274919&t2=1032361319&assumeinitialstates=on&assumeinitialstateok=on&assumestateretention=on&host=adam&backtrack=2&zoom=4"
I can even truss trends.cgi and it doesn't appear to give an error. The output
from running  trends.cgi after setting the above variable is

Cache-Control: no-store
Pragma: no-cache
Last-Modified: Wed, 18 Sept 2002 17:55:43 GMT
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Content-Type: image/png


Any ideas on even how to debug this further?
TIA

 =-=-=-=-=-=-=-=-=-=-=-=-  generated by /dev/dave -=-=-=-=-=-=-=-=-=-=-=-=-=-=
 David Stern                                            University of Maryland
                Institute for Advanced Computer Studies



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