function checkform ( form )
{
  // see http://www.thesitewizard.com/archive/validation.shtml
  // for an explanation of this script and how to use it on your
  // own website

  // ** START **
  if (form.first.value == "") {
    alert( "Please enter your first name." );
    form.first.focus();
    return false ;
  }
  if (form.last.value == "") {
    alert( "Please enter your last name." );
    form.last.focus();
    return false ;
  }
  if (form.add1.value == "") {
    alert( "Please enter your address." );
    form.add1.focus();
    return false ;
  }
  if (form.city.value == "") {
    alert( "Please enter your city." );
    form.city.focus();
    return false ;
  }
  if (form.state.value == "") {
    alert( "Please enter your state." );
    form.state.focus();
    return false ;
  }
  if (form.zip.value == "") {
    alert( "Please enter your zip code." );
    form.zip.focus();
    return false ;
  }
  if (form.mailfrom.value == "") {
    alert( "Please enter your email address." );
    form.mailfrom1.focus();
    return false ;
  }
  if (form.phone.value == "") {
    alert( "Please enter your phone number." );
    form.phone.focus();
    return false ;
  }

  // ** END **
  return true ;
}