function check(){ if(formorder.FullName.value==""){ alert('联系人姓名必须输入!'); formorder.FullName.focus(); return false; } if(formorder.Address.value==""){ alert('请填写详细信息!'); formorder.Address.focus(); return false; } if(formorder.Tel.value==""){ alert('请填写联系电话!'); formorder.Tel.focus(); return false; } if(formorder.Mobile.value==""){ alert('请填写手机号码'); formorder.Mobile.focus(); return false; } if(formorder.Content.value==""){ alert('请填写订单内容'); formorder.Content.focus(); return false; } formorder.submit(); } document.write('
');