Crystal Reports Grouping Headings

Message

   Thanks for taking the time to read my post.  I'm very new to crystal reports so I'm not sure if what I want to do is possible.

I've a report that contains 4 groups (year, Month, Salesperson, SaleRef) and you can drill down on each one.  The problem I'm having is getting the headings to show correctly. Currentley they look like the below

Year     Sales Amount , Number of Sales ---------page header

Year     Sales Amount , Number of Sales--------- group section header1

2003         100000               55

Year     Sales Amount , Number of Sales--------- group section header1

2002         100000               55

Is it possible to not show the group section header headings (red text)
untill you drill down to the nxt level 

eg.

Year     Sales Amount , Number of Sales ---------page header

2003         100000               55

2002         100000               55

------ then you drill down to 

Month    Sales Amount , Number of Sales ---------page header

Jan              5000                       5

Feb               2500                       6

Thanks in advance 

Dave 