function checkform ( form )
{
  if (form.name2.value == "") {
    alert( "Write your name" );
    form.name2.focus();
    return false ;
  }

  if (form.email.value == "")  {
    alert( "Write your e-mail" );
    form.email.focus();
    return false ;
  }
 
  if (form.message.value == "") {
    alert( "Write your message" );
    form.message.focus();
    return false ;
  }

  if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.email.value)){
   return (true);
  }
  else {
  alert("Write correctly your e-mail.")
  form.email.focus();
    return (false);
  }
  // ** END **
  return true ;
}