<!--
function checkData(form)
{
  if (form.customer_name.value!="") 
    return checkArrivalDate(form); 
  else
    alert("Моля въведете Вашето име!");
  return false;
}

function checkArrivalDate(form)
{
  if ((form.arrival_day_chk.value!="0") && (form.arrival_month_chk.value!="0") && (form.arrival_year_chk.value!="0")) 
    return checkDepartureDate(form); 
  else
    alert("Моля въведете датата на пристигане!");
  return false;
}

function checkDepartureDate(form)
{
  if ((form.departure_day_chk.value!="0") && (form.departure_month_chk.value!="0") && (form.departure_year_chk.value!="0")) 
    return checkGuestsCnt(form); 
  else 
    alert("Моля въведете датата на заминаване!");
  return false;
}

function checkGuestsCnt(form)
{
  if ((form.guests_cnt.value!="") && (form.guests_cnt.value!="0"))
    return checkRoomsCnt(form); 
  else 
    alert("Моля въведете броя на гостите!");
  return false;
}

function checkRoomsCnt(form)
{
  if ((form.rooms_cnt.value!="") && (form.rooms_cnt.value!="0"))
    return checkRoomType(form); 
  else
    alert("Моля въведете броя стаи!");
  return false;
}	

function checkRoomType(form)
{
  if ((form.rm_id.value!="") && (form.rm_id.value!="0"))
    return checkPhone(form); 
  else
    alert("Моля въведете типа на стаята!");
  return false;
}	

function checkPhone(form)
{
  if (form.customer_phone.value!="") {
    form.submit();
    return true;
  }
  else
    alert("Моля въведете телефон/GSM за контакт с Вас!");
  return false;
}

-->