problem regarding header and borders

hii frnds

i am facing aproblem wid displaying the header on the second page . of my main window . actualy i m hvng 3 type of line items labour , materials and services . so i dont know which type of line item will fire on next page ,is there any way by which i can diaply the corresponding header of the line item .

and 1 more qs . is is it possible to have different coloums for diffrnt type of line item in main window . like for labour there may be n line items so i want 4 coloums for labour and for material i want 2 line items . is this possible in a main window ..

thanx

rohit