making 'Purchase Order' payment option available on orders over...

Hi,

I currently take payment via paypal, but am starting to get some customers wishing to pay via invoice when placing larger orders. Is there any way I can make 'Purchase Order' available when assigned to a customer role?

If there is, could someone point me in the right direction? (I am not a developer / programmer, so be gentle ha ha).

Thanks
Neil

Currently you'd have to write some code.

I've asked in another thread if the developers would add this to the next release as it seems to me a very useful feature that would not be difficult to implement.