function checkform ( form )
{
  if (form.name.value == "") {
    alert( "Please enter your name." );
    form.name.focus();
    return false ;
  }
  if (form.phone.value == "") {
   alert( "Please enter your daytime phone number." );
   form.phone.focus();
    return false ;
  }
  if (form.email.value == "") {
    alert( "Please enter your e-mail." );
    form.email.focus();
    return false ;
  }  
//  if (form.Zip.value == "") {
//    alert( "Please enter your zip/postal code." );
//    form.Zip.focus();
//    return false ;
//  }   
//  if (form.Country.value == "") {
//    alert( "Please enter your country." );
//    form.Country.focus();
//    return false ;
//  }   
  return true ;
}