function show_ic(){

  var company;
  company = $('#param_company').val();
  if(company) $('.ic').show();
  else $('.ic').hide();
  
}

function show_dic(){

  var company;
  company = $('#param_d_company').val();
  if(company) $('.dic').show();
  else $('.dic').hide();
  
}

function set_postage(){
  $('#action').val('set_postage');
  $('#step_1').submit();
}

function set_payment(){
  $('#action').val('set_payment');
  $('#step_1').submit();
}