need help with pivotchart on report?

Dear all,
I have been trying, in vain, to find a way to my problem...if anyone
can help I'll pay him a massive pint of Guiness:

I have a car accidents database with a multicriteria research form. On
the form there is a button opening a report with the only the search
results. I need to integrate a pivotchart, a simle one, that would
only use the forms results and not the entire data base.
The chart is on a form named "frmtest" using an SQL statement from a
global query + the a field with sum of dead and injured.

When I stick the form into the report and link the master and child
fields by "AccID" all I see is the first bar...I don't have a clue how
to get the chart on the fly from the results of my form.
Thanks for all inputs!