/* THE SEWING MACHINE MAN - order form processing */

function selectMachine (machine) {
  var select_name = machine + '_SELECTED';
  var quantity_name = machine + '_QUANTITY';
  var quantity_id = machine + '_INPUT';
  if (document.form[select_name].checked) {
    document.getElementById(quantity_id).style.visibility='visible';
    document.form[quantity_name].value='1';
  } 
  else {
    document.getElementById(quantity_id).style.visibility='hidden';
    document.form[quantity_name].value='';
  }
}