Currently we have a PDF invoice template set up which prints out the line item detail onto the invoice.  This all works fine.  However, our Finance team would now also like summary invoices to be printed, if a tick box is ticked on the Sales Order/Invoice.  I've created the tick box and displayed it on the Sales Order and Invoice (the tick box field name is custbody_summaryinvoice).  In our previous NetSuite system we had seperate forms for detailed and summary invoices, but in our new system we'd like to just have one form which handles both.  This is to be