function CheckInt(){ 
  if (event.ctrlKey) 
      window.event.returnValue = 0; 
  if (!(event.keyCode==8 || event.keyCode==46 || event.keyCode==9 || (37<=event.keyCode && event.keyCode<=40) || (48<=event.keyCode && event.keyCode<=57) || (96<=event.keyCode && event.keyCode<=105)) || event.shiftKey) 
      window.event.returnValue = 0; 
} 

function check_order()
{
  error = "";
  flag  = false;
  if (document.order_form.org_name.value == '') {
    error = error + 'Не заполнено поле "Название организации"\n';
    flag = true;
    org_name_label.style.color = 'red'
  }
  else {
    org_name_label.style.color = ''
  }
  if (document.order_form.person.value == '') {
    error = error + 'Не заполнено поле "Контактное лицо"\n';
    flag = true;
    person_label.style.color = 'red'
  }
  else {
    person_label.style.color = ''
  }
  if (document.order_form.city.value == '') {
    error = error + 'Не заполнено поле "Город"\n';
    flag = true;
    city_label.style.color = 'red'
  }
  else {
    city_label.style.color = ''
  }
  if (document.order_form.tel.value == '') {
    error = error + 'Не заполнено поле "Телефон"\n';
    flag = true;
    tel_label.style.color = 'red'
  }
  else {
    tel_label.style.color = ''
  }
  if (flag)
  {
    alert(error);
    return false
  }
  else
  {
    document.order_form.submit()
    return false;
  }
}