ISA - Display subTotal1 - 6 of IPC in jsp page

Please help.
I am trying to display on the order.jsp the IPC objects subTotal1 through 6. I can see how to display the objects like netValue or TaxValue but I would like to also add some new lines in and display subTotal 1 through 6. I would like to to this at header level and item level.
Can somebody tell how this is possable.
Many thanks

Steven,
    I hope your still around, because I think maybe you can help us. We are upgrading CRM4.0 to CRM5.0. So, ISA and IPC code needs to be looked at and altered.
    I'm not the person working on this, but trying to help out.     In 4.0 there's code in order.jsp like this
JspUtil.removeNull(header.getIpcHost()) %>',
                                                                                '<%= JspUtil.removeNull(header.getIpcPort()).trim() %>',
                                                                                '<%= JspUtil.removeNull(header.getIpcSession()).trim() %>',
                                                                                '<%= JspUtil.removeNull(header.getIpcDocumentId().getIdAsString()) %>',
The developer is saying getIpcHost no longer exists. Is there something to replace it? Is this no longer necessary because the IPC now resides on the same server?
Any help would be greaty appreciated.
Cat

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