REFRESH Combo Boxes For Records On Continous Form

Background:
I have a continous form linked to a table and I have 3 combo boxes on the
form (linked to fields on the table). The combo boxes are called JOB TITLE,
SCHEDULE and SHIFT. The source for the combo boxes are queries named
respectively as LKUPJOB, LKUPSCHEDULE and LKUPSHIFT. For the three combo boxes listed abpve, the bound column is the first field of the underlying query and the column width of the first field is set to 0" (so that the second field of the query is displayed).

The way things should work is that for each record on the form, the
LKUPSCHEDULE and LKUPSHIFT queries (queries for the SCHEDULE and SHIFT combo boxes), the queries are filtered based on the bound field of the JOB TITLE combo box. The name of the bound field for the JOB TITLE combo is called Labor_Rate_ID.


Problem:
Unfortunately, It seems like the value of the labor-rate_ID in the first
record (i.e. first job title combo box) determines the query list used by the
SCHEDULE and SHIFT comboboxes for all the other records on the form. That is, even though the form has lots of records displayed, the combo boxes for each record don't have a complete list to work with.

Hence, the SCHEDULE and SHIFT combo boxes for some records are showing a blank (since available otions in the combo query list don't match the value
in the table for that record.

Can anybody tell me how to get a continous form to refress the list for each
record on the form.

I also don't know whether the Requery command for a macro could work and how to use it. I think though, that this problem can't be solved by a macro.

Basically, the question is around what kind of code will let you manipulate the properties of individual controls of a form at the Record level.

Pele