definitely.
u can split an invoice.in the invoice workbench window
select the invoice and click the split option.
very simple
srinibas
oracle_sri08@rediffmail.com

I don't know what does it mean by saying spliying of an 
invoice. I am not very sure about the same, but definitely 
there is a option of spliting the payment schedule of a 
particular invoice in the Invoice Workbench -> Scheduled 
Payments.