function checkform ( form )
{

  if (form.firstname.value == "") {
    alert( "Missing field (First Name)" );
    form.firstname.focus();
    return false ;
  }

  if (form.surname.value == "") {
    alert( "Missing field (Surname)" );
    form.surname.focus();
    return false ;
  }

  if (form.email.value == "") {
    alert( "Missing field (Email Address)" );
    form.email.focus();
    return false ;
  }

  if (form.telephone.value == "") {
    alert( "Missing field (Telephone Number)" );
    form.telephone.focus();
    return false ;
  }

  if (form.address1.value == "") {
    alert( "Missing field (Address Line 1)" );
    form.address1.focus();
    return false ;
  }

  if (form.address2.value == "") {
    alert( "Missing field (Address Line 2)" );
    form.address2.focus();
    return false ;
  }

  if (form.county.value == "") {
    alert( "Missing field (County)" );
    form.county.focus();
    return false ;
  }

  if (form.postcode.value == "") {
    alert( "Missing field (Postcode)" );
    form.postcode.focus();
    return false ;
  }

  if (form.prize.value == "") {
    alert( "Missing field (Prize)" );
    form.prize.focus();
    return false ;
  }
  
  
  return true ;

}