programmatically set order status

[crockettdunn]

Where would I find the code that sets the order status during the checkout process? I am considering setting up different statuses for new PayPal and "Open Account" (pay later) orders. Currently AC sees an Open Account order as the same status as an abandoned PayPal order (Authorization Pending). It's important to differentiate these- one represents a trusted, repeat customer's order, and the other is potentially fraud.

[crockettdunn]

would it be possible to set the order status in the payment form after the checkout response before the receiptUrl redirect?