Hi all, need some help in formating header

i have done a crystal report with header and details displaying Serial No, supplier code,farmID,hogID,weight,unit price and value, after details i have 1 more extra footer section displaying total Serial No counts , total Weight and total value, but when the details fully used up a page and just nice end at there, i only left with the header and footer which the header will show Serial No, supplier code,farmID,hogID,weight,unit price and value but the footer only display total Serial No counts , total Weight and total value .

can anyone teach me how to remove header objects for supplier code,farmID,hogID and unit price .picture are shown too..thanks alot...if you know pls email me at [email]tyrone_93@hotmail.com[/email] ...thank you so much  !