var client_max_message_length_once = false;

function client_max_message_length()
{
  try
  {
    return 1 * $('client_max_message_length').innerHTML;
  }
  catch(e)
  {
    if( client_max_message_length_once == false )
    {
      alert("This page wants the client_max_message_length");
      client_max_message_length_once = true;
    }
    return 160;
  }
}