function show_message(message)
{
  openwindow = window.open('popup.php?'+ message, 'page', 'width=331,height=300,left=100,top=100,screenX=100,screenY=100,toolbar=no,location=no,menubar=no,scrollbars=yes,resizeable=no,status=no');
  openwindow.focus();
}

function check_postcode_input(obj)
{
}

function click_agree(obj)
{
  if (obj.checked)
    document.getElementById('bestellen').disabled = false;
  else
    document.getElementById('bestellen').disabled = true;
}