function editProfile()
{
    var url = 'index.php?step=edit_profile';
    new Ajax.Request(url, {
                     method: 'post',
                     asynchronous: true, //是否异步
                     contentType: 'application/x-www-form-urlencoded',
                     parameters: $("editProfile").serialize(),
                     requestHeaders: {Accept:'application/json'},
                     onSuccess: function(result){
                        var result = result.responseText.evalJSON(true);
                        if (result.error > 0)
                        {
                          alert(result.message);
                        }
                        else
                        {
                          alert(result.message);
                        }
                     }});   
}

function editConsignee(is_update)
{
		var url = 'index.php?step=edit_consignee&is_update=' + (is_update ? 1 : 0);
    new Ajax.Request(url, {
                     method: 'post',
                     asynchronous: true, //是否异步
                     contentType: 'application/x-www-form-urlencoded',
                     parameters: $("editConsignee").serialize(),
                     requestHeaders: {Accept:'application/json'},
                     onSuccess: function(result){
                        var result = result.responseText.evalJSON(true);
                        if (result.error > 0)
                        {
                          alert(result.message);
                        }
                        else
                        {
                          alert(result.message);
                        }
                     }});   
}

function checkOrderForm(frm)
{
	var paymentSelected = false;
	
	// 检查是否选择了支付方式
  for (i = 0; i < frm.elements.length; i ++ )
  {
    if (frm.elements[i].name == 'pay_id' && frm.elements[i].checked)
    {
      paymentSelected = true;
    }
  }

  if ( ! paymentSelected)
  {
    alert('您必須選取一個付款方式。');
    return false;
  }
	
}