if ($('is_corporate')) {
  if (Browser.ie6 || Browser.ie7) {
    $('is_corporate').addEvent('click', function(event){
      // event.stop();
      $('is_corporate_box').toggleClass('hdn');
    });
  }
  else {
    $('is_corporate').addEvent('change', function(){
      $('is_corporate_box').toggleClass('hdn');
    });
  }
}

if ($('is_corporate2')) {
  if (Browser.ie6 || Browser.ie7) {
    $('is_corporate2').addEvent('click', function(event){
      // event.stop();
      $('is_corporate2_box').toggleClass('hdn');
    });
  }
  else {
    $('is_corporate2').addEvent('change', function(){
      $('is_corporate2_box').toggleClass('hdn');
    });
  }
}

if ($('is_branch')) {
  
  if (Browser.ie6 || Browser.ie7) {
    $('is_branch').addEvent('click', function(event){
      // event.stop();
      $('is_branch_box').toggleClass('hdn');
    });
  }
  else {
    $('is_branch').addEvent('change', function(){
      $('is_branch_box').toggleClass('hdn');
    });
  }
}

if ($('select_delivery')) {
  $('select_delivery').addEvent('change', function(){
    index = $('select_delivery').selectedIndex;
    value = $$('#select_delivery option')[index].value;
    
    if (value == 'new') {
      $('select_delivery_box').removeClass('hdn');
    }
    else {
      $('select_delivery_box').addClass('hdn');
    }    
  });
}