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

  // ** START **
  if (form.first_name.value == "") {
    alert( "Please enter your first name." );
    form.first_name.focus();
    return false ;
  }
  
  if (form.last_name.value == "") {
    alert( "Please enter your last name" );
    form.last_name.focus();
    return false ;
  }

  if (form.day.value == "") {
    alert( "Please enter the day your was born" );
    form.day.focus();
    return false ;
  }
  
    if (form.month.value == "") {
    alert( "Please enter the month you was born" );
    form.month.focus();
    return false ;
  }
  
    if (form.year.value == "") {
    alert( "Please enter the year you was born" );
    form.year.focus();
    return false ;
  }
  
    if (form.country.value == "") {
    alert( "Please enter your country" );
    form.country.focus();
    return false ;
  }
  

  

  if (form.zip_postcode.value == "") {
    alert( "Please enter your postcode" );
    form.zip_postcode.focus();
    return false ;
  }
 
  
  if (form.email_address.value == "") {
    alert( "Please enter your email address" );
    form.email_address.focus();
    return false ;
  }
  
  if (form.username.value == "") {
    alert( "Please enter your username" );
    form.username.focus();
    return false ;
  }
  
   if (form.username.value > 10) {
    alert( "Please make sure your username is under 10 characters." );
    form.username.focus();
    return false ;
  }
  
    if (form.password.value == "") {
    alert( "Please enter your password" );
    form.password.focus();
    return false ;
  }
  
  if (form.confirm_password.value == "") {
    alert( "Please confirm your password" );
    form.confirm_password.focus();
    return false ;
  }

  
  // ** END **
  return true ;
}