Invoice Master screen

	This screen contains the shipping, billing and status of the 
	Order (Invoice).

	Use the List Line Items button to display the detail items of the 
	invoice.
	
	Prior to printing an invoice from here, you should go to the Print
	Documents option (OE main menu), then Print invoices, and set up 
	the print options for your invoice. After that, printing from here
	will use those settings.

	Shipping an order from here will allow you to short ship items as needed
	on another window. And if short shipped lines are detected, you will
	also be given an option to generate a Back Order.

	If the multiple location feature is enabled, the sell from location
	may not be changed if the order is already shipped (closed) or
	if inventory items are on reserve.


		Shipping an Order

	An order is considered open until it is shipped. After this it is
	considered a Closed Incoice.
	
	The shipping process does the following:

	1. updates the quantity shipped (you specify or as ordered)
	2. extends the unit prices.
	3. calculates sales tax as applicable.
	4, Posts invoice total to the bill to customer, if a charge sale. (default - see ship process)
	     (If a cash sale, will post as paid)
	5. Inventory items are deducted from stock and from reserved.

	Note that the system will not allow you to ship an order/invoice
	already shipped (closed). They are skipped automaticly.