// POP-UP WINDOWS

function LaunchJoin() { window.open('/join/join.php', 'NewWindow1', 'top=200,left=200,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=212,height=212'); }

// ---------------------------------------------------------------------------------------

// FORM VALIDATION

function validate_form() {
  validity = true;
  if (!check_empty(document.FORM.name.value))
        { validity = false; alert('Please enter your name!'); }
  if (!check_email(document.FORM.email.value))
        { validity = false; alert('Email address is invalid!'); }

  return validity;
}

function check_empty(text) {
  return (text.length > 0);
}

function check_email(address) {
  if ((address == "")
    || (address.indexOf ('@') == -1)
    || (address.indexOf ('.') == -1))
      return false;
  return true;
}

// ---------------------------------------------------------------------------------------