# Generate hidden fields from previous form
   
   # List all field names here
   @keepers = qw( first_name last_name address );
   
   # Flip through %fields hash where you have inputs
   # stored, and stick them into a hidden fields
   foreach (@keepers){
      $hidden.="<input type=\"hidden\" name=\"$_\" value=\"$fields{$_}\"> \n";
      }

   # Stick the $hidden variable anywhere inside the <FORM>
   # tags of the next page