for (my $i = 0; $i < @$sql; $i++)
 {
   my $user = $sql->[$i]{user};
				
   if($unique{$user})
    {
      next;
    }
   $unique{$user} = 1;
				
   my $show = "<a href=\"show.pl?name=$name\">$name</a>";
   my $first = $sql->[$i]{first};
   my $last = $sql->[$i]{last};
   my $tel = $sql->[$i]{tel};
   my $email = $sql->[$i]{email};
                                                                       
  if ($i % 2)
   {
     $data = "$data<tr><td>$last, $first</td>
                       <td>$show</td>
                       <td>$email</td>
                       </tr>";
   }else {
     
           $data = "$data<tr><td>$last, $first</td>
                             <td>$show_link</td>
                             <td>$email</td>
                         </tr>";
   }

}