function checkComment ( form )
{
  // ** START **
  if (form.name.value == "") {
    alert( "Please enter your name." );
    form.name.focus();
    return false ;
  }else if (form.sent.value == "") {
    alert( "Your message is too short." );
    form.text.focus();
    return false ;
  }
  
  form.text.value = form.sent.value;
  form.sent.value = "";
  
  // ** END **
  return true ;
}

function checkLogin ( form )
{
  // ** START **
  if (form.user.value == "") {
    alert( "Please enter your username." );
    form.user.focus();
    return false ;
  }else if (form.pass.value == "") {
    alert( "Please enter your password." );
    form.pass.focus();
    return false ;
  }
  // ** END **
  return true ;
}

function checkEntry ( form )
{
  // ** START **
  if (form.title.value == "") {
    alert( "Please enter title." );
    form.title.focus();
    return false ;
  }else if (form.text.value == "") {
    alert( "Please enter text." );
    form.text.focus();
    return false ;
  }
  // ** END **
  return true ;
}