$(document).ready(function() {
  recount();
  // refs #142
  //init_vd(); 

	$('select#id_payment_type').keyup(recount);
	$('select#id_payment_type').change(recount);
});
function recount() {
	method = $("select#id_payment_type").val();
	var amount = price*payment_systems[method]['multiplier'];
	var discount = get_discount(amount,payment_systems[method]['currency']); 
	
	// refs #142
	// disable discount
	discount = 0;
	// refs #142
	// user discount = 0
  v = 0;
  u = 0;
  d = 0;
  show_result(amount, discount, payment_systems[method]['unit']);
}